WO2025134157A1 - Fuel tank mount system - Google Patents

Abstract

A fuel tank mount system (201) of a vehicle (200), includes a vehicle body frame (100) extending in a front-to-rear direction of the vehicle (200). Furthermore, the fuel tank mount system (201) includes a fuel tank (101) mounted on a front-end portion of the vehicle body frame (100). The fuel tank mount system (201) also includes a cushioning member (102) disposed on the vehicle body frame (100). The cushioning member (102) is constituted by a combination of at least two cushioning members, including a first cushioning member (103) which allows resting provision for the fuel tank (101), and a second cushioning member (104) in connection with the vehicle body frame (100). The first cushioning member (103) is of lower density in comparison to density of the second cushioning member (104).

Description

Description

Title of Invention: FUEL TANK MOUNT SYSTEM

Cross-reference to related applications

[0001] This application claims priority from Indian provisional patent application 20231 1088204, filed on 22 December 2023, and 20231 1088105 filed on 22 December 2023 which is incorporated herein in its entirety by this reference thereto.

Technical Field

[0002] The present disclosure relates to a fuel tank mount system for a vehicle. Specifically, the present disclosure relates to the fuel tank mount system adapted to provide improved cushioning and vibration damping between the fuel tank and the body frame and further facilitate ease of assembly.

Background

[0003] In the typical context of a vehicle such as a motorcycle design, it is imperative to address adverse factors such as vibration, shock, and noise, all of which can have detrimental effects on the structural integrity of motorcycles. Motorcycles inherently generate substantial vibrations during their operational use, which, in turn, can result in rider fatigue and discomfort. To mitigate these effects, the integration of cushioning elements is indispensable, as they play a vital role in both absorbing and damping vibrations, ultimately enhancing the overall riding comfort. Moreover, when motorcycles traverse rough or uneven terrain, shocks and impacts may be transmitted to the fuel tank, potentially causing damage. The inclusion of cushioning materials or elements serves to reduce the force of such impacts and, in doing so, contributes to safeguarding the structural integrity of the fuel tank.

[0004] Furthermore, these cushioning materials serve an additional purpose by minimizing the noise generated through the contact between the fuel tank and the frame. This noise reduction not only enhances the overall riding experience but also contributes to a quieter and more pleasant environment for the rider. Consequently, it is considered a preferred practice within the realm of motorcycle engineering to design and incorporate a fuel tank onto a vehicle frame equipped with cushioning materials to effectively mitigate vibration, shock, and noise-related issues.

[0005] Fuel tanks within the context of vehicles play an essential role by serving as integral components responsible for the storage and delivery of fuel to the engine. The secure attachment of the fuel tank to the vehicle’s or motorcycle's frame is of paramount importance to avert any potential risks of leakage or detachment during the vehicle's operation. Furthermore, it is imperative to address the necessity for cushioning mechanisms to safeguard the fuel tank from the continuous vibrations and impacts that motorcycles invariably encounter during their operational use. [0006] Typically, in the case of a vehicle's fuel tank, such as that of a motorcycle, a singular cushioning element is employed for the purpose of attachment to the vehicle's body frame. This singular cushioning element serves to absorb and mitigate the vibrations emanating from the engine as well as those transmitted through the road surface during the vehicle's movement. By virtue of this single cushioning component, these vibrations are envisaged to be prevented from being transmitted to the fuel tank via the body frame, thus improving the structural integrity and performance of the fuel tank.

SUMMARY

[0007] In order to ensure the structural integrity and durability of a fuel tank, it is imperative to establish a central support system. This central support system serves the dual purpose of providing rigidity to the fuel tank and preventing structural failure. However, when such a support structure is implemented, it introduces variability in the compression or gap measurements, primarily due to variation in the sheet-metal welded parts such as a fuel tank and a vehicle body frame of a vehicle. On occasions, the support structure may fail to establish proper contact with the fuel tank, resulting in undesirable gaps and an associated loss of support. Conversely, in other instances, the compression values may be excessively high, complicating the assembly of rear bolts on the fuel tank and causing elevated levels of assembly stress in the tank, necessitating a more forceful assembly approach.

[0008] In order to attach a support member to the vehicle body frame, it becomes imperative to secure a cushioning member in place using adhesive or a fastening band, among other suitable means. Furthermore, when installing a cushioning member between the fuel tank and the vehicle body frame, it is necessary to create a screw hole for attaching the cushioning member onto either the fuel tank or the vehicle body frame. In the scenario where such attachment points are established, the issue of part deviation within the fuel tank or the vehicle body frame becomes apparent. This deviation results in the need for significantly increased torque or force during the assembly of the fuel tank onto the vehicle body frame within the manufacturing facility. This increased torque requirement not only inconveniences the assembly worker, potentially leading to discomfort or hand pain but also extends the overall installation time.

[0009] In view of the foregoing, it is an object of the present disclosure to provide a fuel tank mount system including a cushioning member disposed between the fuel tank and the vehicle body frame, wherein the cushioning member is constituted by a combination of at least two cushioning members of different densities, which addresses the issue of high fuel tank tightening torque in the assembly line especially with respect to fuel tanks which are elongated in shape and/or are of heavier weight.

[0010] The present disclosure envisages a fuel tank mount system for a vehicle. The fuel tank mount system includes a vehicle body frame extending in a front to rear direction of the vehicle. Furthermore, the fuel tank mount system includes a fuel tank mounted on a front-end portion of the vehicle body frame. Also, the fuel tank mount system includes a cushioning member disposed on the vehicle body frame. The cushioning member is constituted by a combination of at least two cushioning members, including a first cushioning member which allows resting provision for the fuel tank, and a second cushioning member in connection with the vehicle body frame. Also, the first cushioning member is of lower density in comparison to density of the second cushioning member.

[0011] The first cushioning member is preferably made of polyurethane foam, pressure-responsive gel, or spring-in foam arrangement whereas the second cushioning member is preferably made of rubber. Furthermore, the first cushioning member is more elastic or less rigid in comparison to the second cushioning member. This approach enhances the overall damping and vibration mitigation properties within the system, contributing to a more robust and effective structural configuration.

[0012] In an embodiment, the cushioning member is disposed at a junction area where a rear-end portion of a head tube of the vehicle body frame is coupled to a common front-end portion of a pair of a left tank rail and a right tank rail of the vehicle body frame.

[0013] In an embodiment, the cushioning member is molded Y-shaped to conform to the shape of the portion of the vehicle body frame. In an embodiment, the cushioning member is molded forkshaped to conform to the shape of the portion of the vehicle body frame.

[0014] In an embodiment, the part of the second cushioning member that is in contact with the vehicle body frame has a recess. In an embodiment, at least one second mounting provision is attached to the vehicle body frame through flanged bolts. The recess complements the shape of the body frame and provides better support to the fuel tank.

[0015] With the fuel tank mount system of the present disclosure, the overall damping and vibration mitigation properties within the system, contribute to a more robust and effective structural configuration.

[0016] The fuel tank mount system of the present disclosure takes into account the compatibility of the fuel tank design with specific vehicle or motorcycle models, offering provisions for incorporating mounting brackets or tabs, as necessary, to ensure a secure and reliable attachment to the vehicle's frame. This approach also takes into consideration various factors such as fuel tank capacity, shape, size, and aesthetic considerations.

[0017] The fuel tank mounting system of the present disclosure is comprised of several key elements, including a pair of longitudinal vehicle body frames, the fuel tank affixed to these frames, and at least one buffer or cushioning member constructed from the same or different material with varied density. The cushioning or buffer member serves the crucial function of absorbing and mitigating vibrations originating from the fuel tank.

[0018] Moreover, the vehicle body frame features an inwardly projecting base that offers essential support for the fuel tank, and the cushioning mount reinforces the lower region of the fuel tank by engaging with the aforementioned protrusion, ensuring a stable and secure arrangement. The second cushioning member is connected to the vehicle body frame by the usage of two lugs inserted into the hole of the frame tube of the vehicle body and by the application of adhesive material. This configuration provides a comprehensive and efficient solution for mounting the fuel tank while addressing vibration-related concerns.

[0019] In addition, in the fuel tank mount system of the present disclosure, a part of the base constituting the mounting hole should be notched. With this arrangement, it is possible to visually confirm where the peripheral component attached to the mounting hole is inserted into the mounting hole. Thus, the mounting failure can be prevented.

[0020] Furthermore, in the fuel tank mount system, the second cushioning member is molded to conform to the shape of the portion of the vehicle body frame connected to the fuel tank mounted thereon. The fuel tank, the first cushioning member, the second cushioning member, and the vehicle body frame are connected by an appropriate adhesive material and the first cushioning member is substantially flat in shape. This arrangement according to the present disclosure specifically addresses the high fuel tank tightening torque problem in the assembly line, especially with respect to fuel tanks which are elongated in shape in consonance with the vehicle frame and are of heavier weight than the standard tanks.

[0021] In accordance with another aspect, there is provided a fuel tank mount system of a vehicle. The fuel tank mount system includes a vehicle body frame extending in a front-rear direction of the vehicle. Furthermore, the fuel tank mount system includes a fuel tank mounted on a front-end portion of the vehicle body frame. The fuel tank includes at least one first mounting provision provided at a front-end portion of the fuel tank, and at least one second mounting provision provided at a rear-end portion of the fuel tank. The fuel tank mount system also includes a cushioning member disposed on the vehicle body frame, and between the at least one first mounting provision and the at least one second mounting provision in the front-rear direction of the vehicle. Furthermore, the cushioning member is constituted by a combination of at least two cushioning members, including a first cushioning member, which allows resting provision for the fuel tank, and a second cushioning member in connection with the vehicle body frame. Also, the first cushioning member is of lower density in comparison to density of the second cushioning member.

[0022] In an embodiment, the at least one first mounting provision is a C-Cup mounting. The C-Cup mounting is attached to the vehicle body frame through a rubber bush. The cushioning member is disposed between at least one first mounting provision and a fuel pump base on the bottom of the fuel tank. This helps reduce the effort in mounting the fuel tank on the body frame at an assembly line, thereby, reducing the assembly time.

BRIEF DESCRIPTION OF THE FIGURES

[0023] The invention itself, together with further features and advantages, will become apparent from consideration of the following detailed description, taken in conjunction with the accompanying drawings. One or more embodiments of the present invention are now described, by way of example only wherein like reference numerals represent like elements and in which: [0024] Figure 1 illustrates a side view of an example vehicle depicting several fittings in position, in accordance with an embodiment of the present disclosure;

[0025] Figure 2 illustrates a perspective view of a vehicle body frame with a fuel tank mounted in position, in accordance with an embodiment of the present disclosure;

[0026] Figure 3 illustrates an exploded view showing a schematic structure of the vehicle body frame, a cushioning member, and the fuel tank of the example vehicle, in accordance with an embodiment of the present disclosure;

[0027] Figure 4 illustrates an underside view of the fuel tank with the cushioning member placed in position under the fuel tank of Figure 2, in accordance with an embodiment of the present disclosure;

[0028] Figure 5 illustrates an enlarged exploded view of the vehicle body frame and the cushioning member depicting bolt-through locations while the fuel tank is removed from the vehicle body frame, in accordance with an embodiment of the present disclosure;

[0029] Figure 6 illustrates an exploded explanatory view of the cushioning member of Figure 3, in accordance with an embodiment of the present disclosure;

[0030] Figure 7 illustrates a side view with an enlarged sectional and detailed view of the position of a first cushioning member and a second cushioning member as fitted to the vehicle body frame, in accordance with an embodiment of the present disclosure;

[0031] Figure 8 illustrates a side view of the vehicle body frame, in accordance with an embodiment of the present disclosure;

[0032] Figure 9 illustrates a top view of the vehicle body frame in its entirety, in accordance with an embodiment of the present disclosure;

[0033] Figure 10 illustrates a top view of the vehicle body frame in its entirety, with the fuel tank mounted in position, in accordance with an embodiment of the present disclosure;

[0034] Figure 1 1 illustrates the fuel tank with mounting provisions for mounting the fuel tank onto the vehicle body frame, in accordance with an embodiment of the present disclosure;

[0035] Figure 12 illustrates the underside of the fuel tank with the cushioning member and the mounting provisions, in accordance with an embodiment of the present disclosure; and

[0036] Figure 13 illustrates a side view of the fuel tank with the first cushioning member, the second cushioning member, and the mounting provisions, in accordance with an embodiment of the present disclosure.

[0037] The drawings referred to in this description are not to be understood as being drawn to scale except if specifically noted, and such drawings are only exemplary in nature.

DETAILED DESCRIPTION [0038] While the invention is susceptible to various modifications and alternative forms, a specific embodiment thereof has been shown by way of example in the drawings and will be described in detail below. It should be understood, however, that it is not intended to limit the invention to the particular forms disclosed, but on the contrary, the invention is to cover all modifications, equivalents, and alternatives falling within the spirit and the scope of the invention.

[0039] The terms “comprises”, “comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a setup, device, or method that comprises a list of components or steps does not include only those components or steps but may include other components or steps not expressly listed or inherent to such setup or device or method. In other words, one or more elements in a system or apparatus proceeded by “comprises... a” does not, without more constraints, preclude the existence of other elements or additional elements in the system or apparatus.

[0040] For a better understanding of this invention, reference would now be made to the embodiment illustrated in the accompanying figures and description herein below. Further, in the following figures, the same reference numerals are used to identify the same components in various views.

[0041] While the present invention is illustrated in the context of a two-wheeled or saddle-riding type vehicle, however, an apparatus and aspects and features thereof can be used with other types of vehicles as well. It is to be noted that terms such as “scooter-type vehicle”, “two-wheeled vehicle” and “vehicle” are interchangeably used throughout the description. The term “vehicle” includes vehicles such as motorcycles, electric motorcycles, scooters, electric scooters, bicycles, electric bicycles, mopeds, electric mopeds, all-terrain vehicles (ATVs), and the like.

[0042] The terms “front I forward”, “rear I rearward I back I backward”, “up/ upper/top/upward”, “down I lower I lowerward I downward”, “left I leftward”, “right I rightward” used therein represents the directions as seen from a vehicle rider sitting astride and these directions are referred by arrows Fr, Rr, U, Lr, L, R in the drawing figures.

[0043] The term ‘left side’ used herein represents a left side of the vehicle as seen from a rider seated astride to drive the vehicle.

[0044] The term ‘right side’ used herein represents a right side of the vehicle as seen from the rider seated astride to drive the vehicle.

[0045] Referring to Figures 1 -13, Figure 1 is a side view of a complete vehicle (200) or motorcycle fitted with all the components, features, and peripherals installed for an overall perspective. The vehicle (200) depicted is characterized by various key components contributing to its design and functionality. A vehicle body frame (100) forms the foundational structure visible from front to back, serving as the main support for other components. A fuel tank (101 ) is positioned between handlebars (80) and a seat (82). The seat (82) is situated above a pair of a left seat rail (100D) and a right seat rail (100E) (See Figure 3), and is designed for rider comfort and style. The handlebars (80) are located in front of the vehicle (200) and facilitate steering and can vary in shape and design. A head tube (100A) (See Figure 3) is integral to a front suspension (84), connecting a front wheel (86) to the vehicle body frame (100). The front wheel (86), housing brake assembly (88), and components of the front suspension (84) are positioned at the front of the vehicle (200) or motorcycle. An engine (90), typically between the vehicle body frame (100) and a rear wheel (92), powers the vehicle (200) or motorcycle and significantly affects balance and performance. A swing arm (94), extending from a left down frame (100G) and a right down frame (100H) (See Figure 3), supports a rear axle (96) and enables rear suspension movement. The rear wheel (92) is located at the back of the vehicle (200) or motorcycle connected to the engine (90). A tail section (98), extending along the pair of the left seat rail (100D) and the right seat rail (100E) (See Figure 3), houses taillights and turn signals.

[0046] A kickstand (99), positioned on the left side, provides support when the vehicle (200) or motorcycle is parked. Appreciating the intricacies of the components in the vehicle’s (200) or motorcycle's side profile is crucial for understanding its overall design and functionality, with each element playing a pivotal role in shaping both appearance and performance. Referring to Figure 2, a perspective view of the vehicle body frame (100) with the fuel tank (101 ) mounted in position according to the present embodiment will be described. Figure 2 specifically depicts the fuel tank (101 ), the left seat rail (100D), a left tank rail (100B), and the left down frame (100G) in the pertinent positions.

[0047] Referring to Figures 3-5, a schematic configuration of the vehicle body frame (100) and the fuel tank (101 ) of the vehicle (200) or the motorcycle according to the present embodiment will be described. Figure 3 depicts a schematic configuration of the vehicle body frame (100) and the fuel tank (101 ) of the vehicle (200) or motorcycle according to the present embodiment. Figure 3 specifically depicts an isometric view of the vehicle body frame (100), a cushioning member (102), and the fuel tank (101 ) of the vehicle (200) or motorcycle according to one embodiment of the disclosure. The vehicle body frame (100), the fuel tank (101 ), and the cushioning member (102) together constitute a fuel tank mount system (201 ) which has been further elucidated in the following discussion. Figure 4 is an underside view of the fuel tank (101 ) shown in Figure 3. Figure 5 is an enlarged view of the periphery of the left tank rail (100B) and the right tank rail (100C) with the fuel tank (101 ) removed from the vehicle body frame (100). Figure 5 also depicts the cushioning member (102) shown in Figure 3.

[0048] As shown in a view in Figure 3, the vehicle body frame (100) according to the present embodiment is preferably a trellis body frame assembled by steel and aluminum castings. The vehicle body frame (100) which includes its subpart as the head tube (100A), the pair of the left tank rail (100B) and the right tank rail (100C) extending obliquely downward and rearward from the head tube (100A), and the pair of the left seat rail (100D) and the right seat rail (100E) extending rearward from rear end portions of left tank rail (100B) and the right tank rail (100C), respectively. The pair of the left seat rail (100D) and the right seat rail (100E) supports a seat (82). Also, downward from the head tube (100A) is provided another pair of the left down frame (100G) and the right down frame (1 OOH), which is used for supporting the engine (90) and associated fittings. The head tube (100A) constitutes the front side of the vehicle body frame (100) and supports a pair of left and right front forks. In turn, there is provided a steering system (not marked) rotatably supported by the head tube (100A).

[0049] At the top of the left tank rail (100B) and the right tank rail (100C), the fuel tank (101 ) is arranged from the rear end portion of the left tank rail (100B) and the right tank rail (100C). The fuel tank (101 ) is adapted to bulge upward from the vehicle body frame (100) in the front-rear direction of the left tank rail (100B) and the right tank rail (100C). Further, in a top view, the fuel tank (101 ) is adapted to conform along the shapes of the left tank rail (100B) and the right tank rail (100C) in the direction of the vehicle width in a left-right or right-left direction. The cushioning member (102) is provided below the fuel tank (101 ) in a substantially middle portion in the frontrear direction of the fuel tank (101 ). The fuel tank (101 ) is supported by the left tank rail (100B) and the right tank rail (100C) via the cushioning member (102).

[0050] In this embodiment, the fuel tank (101 ) is mounted on the vehicle body frame (100) with a front-end portion, a rear-end portion, and an intermediate portion of the fuel tank (101 ). In this way, the movement in the pitching direction can be absorbed by supporting the front and rear end portions of the fuel tank (101 ). As a result, it is possible to prevent the fuel tank (101 ) from coming off the vehicle body frame (100) and flying forward. Since the middle part of the fuel tank (101 ) is supported by the vehicle body frame (100) on the left tank rail (100B) and the right tank rail (100C) via the cushioning (or the buffer) member (102), vibrations of the vehicle (200) due to the engine (90) or other oscillating members is absorbed by the cushioning (or the buffer) member (102) even if the vibration is transmitted to the vehicle body frame (100). As a result, transmission of the vibrations to the fuel tank (101 ) can be prevented.

[0051] Figure 6 illustrates the cushioning member (102), which is constituted of elastic material having cushioning properties such as that of polyurethane or rubber and is integrally molded by a mold. Figure 6 specifically depicts an exploded view of the cushioning member (102) constituted by a combination of at least two cushioning members wherein a first cushioning member (103) allows resting provision for the fuel tank (101 ) and a second cushioning member (104) is in connection with the vehicle body frame (100). The first cushioning member (103) is of lower density in comparison to density of the second cushioning member (104). Alternatively, the elasticity of the first cushioning member (103) is more than the second cushioning member (104). Figure 6 also depicts an enlarged view when the cushioning member (102) according to the present embodiment is attached to the left tank rail (100B) and the right tank rail (100C).

[0052] Referring now to Figures 5 and 7, these are perspective views of the support portion and the periphery of the cushioning member (102) below the fuel tank (101 ). FIG 5 depicts an enlarged sectional and detailed view of the attachment of the cushioning member (102) to the left tank rail (100B) and the right tank rail (100C). Figure 5 in turn is a schematic view of the cushioning member (102) when seen in an exploded view, while Figure 7 more specifically shows a detailed view of the attachment of the cushioning member (102) with the head tube (100A), the left tank rail (100B), and the right tank rail (100C). Referring now to Figures 9 and 10, Figure 9 shows the complete top view of the vehicle (200) without the fuel tank (101 ) in position. All the support rails such as the head tube (1 OOA), the pair of the left tank rail (100B), the right tank rail (1 OOC), the left down frame (1 OOG), and the right down frame (1 OOH) are decipherable for better perspective. Figure 10 again shows the top view of vehicle (200) with the fuel tank (101 ) installed in position.

[0053] In one aspect of the present disclosure, the fuel tank mount system (201 ) is envisaged, which includes the vehicle body frame (100) extending in a front-to-rear direction, the fuel tank (101 ) mounted on the vehicle body frame (100), and the cushioning member (102) disposed between the fuel tank (101 ) and the vehicle body frame (100). The cushioning member (102) is constituted by a combination of the at least two cushioning members, wherein the first cushioning member (103) allows resting provision for the fuel tank (101 ), and the second cushioning member (104) is in connection with the vehicle body frame (100). Also, the first cushioning member (103) is of lower density in comparison to the density of the second cushioning member (104).

[0054] In an embodiment of the present disclosure, the material of the first cushioning member (103) and the second cushioning member (104) are the same or different. In a further embodiment, the first cushioning member (103) is preferably made of polyurethane foam, pressure-responsive gel, or spring-in foam arrangement and the second cushioning member (104) is preferably made of rubber. In a further aspect, the first cushioning member (103) is more elastic or less rigid in comparison to the second cushioning member (104). In another embodiment of the present disclosure, the second cushioning member (104) is molded to conform to the shape of the portion of the vehicle body frame (100) connected to the fuel tank (101 ) mounted thereon. It is preferred that the first cushioning member (103) is substantially flat in shape. According to the present disclosure, the second cushioning member (104) is connected to the vehicle body frame (100) by usage of two lugs (105) inserted into respective holes (106) into a member of the vehicle body frame (100) and by application of an adhesive material. The fuel tank (101 ), the first cushioning member (103), the second cushioning member (104), and the vehicle body frame (100) are connected by an adhesive material. The present disclosure is more suitable wherein the fuel tank (101 ) is preferably elongated in shape in consonance with the vehicle body frame (100).

[0055] According to an embodiment of the present disclosure, a method of assembling a fuel tank mount system (201 ) includes the following steps: a) connecting the first cushioning member (103) to the fuel tank (101 ) by applying an adhesive material; b) attaching the first cushioning member (103) and the second cushioning member (104) by applying adhesive material therebetween; c) connecting the second cushioning member (104) to the vehicle body frame (100) by inserting the two lugs (105) into the respective holes (106) in the vehicle body frame (100) and by applying an adhesive material to the second cushioning member (104); and d) securing the fuel tank (101 ) at the top of the left tank rail (100B) and the right tank rail (1 OOC) by tightening nut bolts with pre-defined torque. [0056] Figure 1 1 illustrates a partially exploded view of the fuel tank (101 ) of the vehicle (200) or the motorcycle, at least one first mounting provision (101 A) at a front-end portion of the fuel tank

(101 ), rubber bushes (101 E) (See Figure 12), at least one second mounting provision (101 B) at a rear end portion of the fuel tank (101 ) and flanged bolts (101 F) according to the present embodiment. The rear part of the fuel tank (101 ) includes a rear mounting stay (101 1) with at least one opening on it. In an embodiment, the rear mounting stay (101 1) includes two holes. The rear mounting stay (101 1) is mounted to the vehicle body frame (100) through the flanged bolts (101 F) in the respective holes. This whole structure constitutes the at least one second mounting provision (101 B) at the rear end portion of the fuel tank (101 ).

[0057] Figure 12 illustrates an underside view of the fuel tank (101 ) with the cushioning member

(102), the at least one first mounting provision (101 A) at the front-end portion of the fuel tank

(101 ), the at least one second mounting provision (101 B) at the rear end portion of the fuel tank (101 ), C-Cup mountings (101 D), the rubber bushes (101 E), a metal plate (101 H), and a fuel pump base (101 C) placed in position under fuel tank (101 ). Figure 12 discloses the at least one first mounting provision (101 A) on the fuel tank (101 ). The at least one first mounting provision (101 A) on the fuel tank (101 ) includes the C-cup mountings (101 D) that are spot welded to a bracket (101 G), and then this pair is spot welded to the metal plate (101 H). Further, the fuel tank (101 ) is secured by brazing or spot welding the metal plate (101 H) to the fuel tank (101 ). Furthermore, the at least one first mounting provision (101 A) is welded with the fuel tank (101 ) and mounted to the vehicle body frame (100) through the rubber bushes (101 E). These whole elements attached on the fuel tank (101 ) constitute the at least one first mounting provision (101 A). Further Figure 12 also discloses that the cushioning member (102) is disposed in between disposed on the vehicle body frame (100) and between the at least one first mounting provision (101 A) and the at least one second mounting provision (101 B) in the front-rear direction of the vehicle (200). In an embodiment, the at least one first mounting provision (101 A) includes a left mounting provision (101 J) and a right mounting provision (101 K) on the front-end portion of the fuel tank (101 ). The left mounting provision (101 J) and the right mounting provision (101 K) together constitute the at least one first mounting provision (101 A) at the front-end portion of the fuel tank (101 ).

[0058] Figure 13 illustrates the cross-sectional view of the fuel tank (101 ). The cross-section is cut across the fuel tank (101 ) to disclose the cushioning member (102) including the first cushioning member (103) which rests on the fuel tank (101 ) and the second cushioning member (104) in connection with the vehicle body frame (100). Figure 13 particularly discloses that the cushioning member (102) is disposed on the vehicle body frame (100) and between the at least one first mounting provision (101 A) at the front-end portion of the fuel tank (101 ) and the at least one second mounting provision (101 B) at the rear end portion of the fuel tank (10) in the front-rear direction of the vehicle.

[0059] In another embodiment of the present disclosure, the cushioning member (102) is constituted by the combination of the at least two cushioning members, wherein the first cushioning member

(103) allows resting provision for the fuel tank (101 ), and the second cushioning member (104) is in connection with the vehicle body frame (100), and wherein the first cushioning member (103) is of lower density in comparison to the density of the second cushioning member (104). In another embodiment of the present disclosure, the at least one first mounting provision (101 A) at the frontend portion of the fuel tank (101 ) is the C-Cup mounting (101 D). It is preferred that the C-Cup mounting (101 D) is attached to the vehicle body frame (100) through the rubber bush (101 E). In another embodiment of the present disclosure, the cushioning member (102) is disposed between the at least one first mounting provision (101 A) at the front-end portion of the fuel tank (101 ) and the fuel pump base (101 C) on a bottom portion of the fuel tank (101 ).

[0060] In an embodiment, the vehicle body frame (100) includes its subpart as head tube (100A) extending forward and backward of the vehicle body, the pair of the left tank rail (100B) and the right tank rail (100C) extending obliquely downward from the head tube (100A) toward the rear of the vehicle body, and the pair of the left seat rail (100D) and the right seat rail (100E) extending upward from the rear end portions of the pair of left tank rail (100B) and the right tank rail (100C), respectively. The pair of the left seat rail (100D) and the right seat rail (100E) supports the motorcycle seat (82). Also, the pair of the left down frame (100G) and the right down frame (1 OOH) is provided downward from the head tube (100A). The pair of the left down frame (100G) and the right down frame (1 OOH) is used for supporting the engine (90) and the associated fittings. The head tube (100A) constitutes the front side of the vehicle body frame (100) and supports a pair of left and right front forks. Furthermore, holes (100F) are provided as drilled positions on a rear-end portion of the head tube (100A). The holes (100F) have been provided for mounting the cushioning member (102) through securing lugs (105) adapted to be located in the respective holes (106). In one aspect of the present disclosure, the cushioning member (102) is disposed at a junction area where rear end portion of a head tube (100A) of the vehicle body frame (100) is coupled to a common front-end portion of the pair of left tank rail (100B) and the right tank rail (100C) of the vehicle body frame (100).

[0061] In another embodiment of the present disclosure, the cushioning member (102) is molded to a Y-shaped, or fork-shaped to conform to the shape of the portion of the vehicle body frame (100). It is preferred that the part of the second cushioning member (104) that is in contact with the vehicle body frame (100) has a recess (101 K). The recess (101 K) can be curved inwards so that the vehicle body frame (100) can sit on the recess and ensure smooth, rigid, and stable contact between the vehicle body frame (100) and the cushioning member (102). The recess (101 K) on the cushioning member (104) also helps in smoothly attaching the fuel tank (101 ) to which the cushioning member (102) is attached to the vehicle body frame (100). In another embodiment of the present disclosure, the at least one second mounting provision (101 B) at the rear end portion of the fuel tank (101 ) is attached to the vehicle body frame (100) through the flanged bolts (101 F).

[0062] The disclosed embodiments improve the quality and efficiency of the fuel tank (101 ) assembly process. By reducing the variability in the compression or gap measurements, it can be ensured that the fuel tank (101 ) and the central support system are properly aligned and secured. This can prevent potential issues such as leakage, deformation, or rupture of the fuel tank, which can compromise the safety and performance of the vehicle. Additionally, the disclosed embodiments reduce the cost and time of the assembly process, as it can eliminate the need for a more forceful or manual approach to fit the rear bolts on the fuel tank. This can save labor and material resources, as well as increase the productivity and profitability of the manufacturing operation.

[0063] The fuel tank (101 ) is made from materials like steel or aluminum. The choice of cushioning material is based on factors such as weight, durability, and corrosion resistance. Additionally, the fuel tank material (101 ) is fully compatible with the cushioning materials to prevent chemical reactions or degradation. The cushioning material is chosen and installed to provide adequate protection against impacts, especially in the event of a crash. The cushioning member (102) includes the first cushioning member (103) preferably of rubber element overlaid with the second cushioning member (104) of foam elastomers. These materials have good vibration-absorbing properties, durability, and resistance to fuel and environmental factors. In addition, the elasticity of the first cushioning member (103) is more than the second cushioning member (104). This also makes assembly of the fuel tank (101 ) to the vehicle body frame (100) easy in a vehicle assembly line, with the optimal force required to clamp the fuel tank (101 ) from the rear side.

[0064] The cushioning material is resistant to environmental factors such as moisture, UV radiation, and temperature variations. The combination of the first and the second cushioning members (103, 104) is capable of withstanding compressive loads, preventing the fuel tank (101 ) from coming into direct contact with the vehicle body frame (100) under various riding conditions. It provides effective weight balance cushioning, as vehicles (200) or motorcycles require lightweight components for optimal performance. Mounting brackets are positioned and bolted to the vehicle body frame (100) at appropriate locations to secure the fuel tank (101 ). These brackets are designed to withstand the weight of the fuel tank (101 ) and any additional load it may carry. The position of the cushioning member (102) is strategically placed between the fuel tank (101 ) and the vehicle body frame (100) to absorb and dampen vibrations. It is ensured during design that the weight of the fuel tank (101 ) is evenly distributed to maintain the vehicle’s balance and stability. The cushioning does not interfere with any other components of the vehicle (200) or motorcycle, and it would allow for proper fitment and easy maintenance of the fuel tank (101 ).

[0065] The installation process ensures that the fuel tank (101 ) and the vehicle body frame (100) are clean. Cushioning material to the fuel tank (101 ) and vehicle body frame (100) using the chosen method will take care of alignment of the fuel tank (101 ) with the vehicle frame (102) to ensure proper fitment. The process will ensure taking care not to overtighten and damage the cushioning material, bolts fasteners, or brackets used for attachment. A well-fitted fuel tank (101 ) enhances the vehicle’s (200) or motorcycle's functionality and aesthetics while ensuring a safe and comfortable riding experience.

[0066] The present disclosure has been described in terms of specific embodiments incorporating details to facilitate the understanding of the principles of construction and operation of the disclosure. Such reference herein to specific embodiments and details thereof is not intended to limit the scope of the claims appended hereto. [0067] It will be readily apparent to one skilled in the art that other various modifications may be made in the embodiment chosen for illustration without departing from the spirit and scope of the disclosure as defined by the claims, i

Claims

Claims

[Claim 1 ] A fuel tank mount system (201 ) of a vehicle (200), comprising: a vehicle body frame (100) extending in a front to rear direction of the vehicle (200); a fuel tank (101 ) mounted on a front-end portion of the vehicle body frame (100); and a cushioning member (102) disposed on the vehicle body frame (100), wherein the cushioning member (102) is constituted by a combination of at least two cushioning members, comprising a first cushioning member (103) which allows resting provision for the fuel tank (101 ), and a second cushioning member (104) in connection with the vehicle body frame (100), and wherein the first cushioning member (103) is of lower density in comparison to density of the second cushioning member (104).

[Claim 2] The fuel tank mount system (201 ) as claimed in claim 1 , wherein a material of the first cushioning member (103) and the second cushioning member (104) is the same or different.

[Claim 3] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the first cushioning member (103) is made of polyurethane foam, pressure- responsive gel, or spring-in foam arrangement.

[Claim 4] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the first cushioning member (103) is more elastic or less rigid in comparison to the second cushioning member (104).

[Claim 5] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the second cushioning member (104) is molded to conform to the shape of a portion of the vehicle body frame (100) connected to the fuel tank (101 ) mounted thereon.

[Claim 6] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the first cushioning member (103) is substantially flat in shape.

[Claim 7] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the second cushioning member (104) is configured to be connected to the vehicle body frame (100) by usage of two lugs (105) inserted into respective two holes (106) of a frame tube of the vehicle body frame (100) and by application of an adhesive material.

[Claim 8] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the fuel tank (101 ), the first cushioning member (103), the second cushioning member (104), and the vehicle body frame (100) are connected by an adhesive material.

[Claim 9] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the cushioning member (102) is disposed at a junction area where a rear-end portion of a head tube (100A) of the vehicle body frame (100) is coupled to a common front-end portion of a pair of a left tank rail (100B) and a right tank rail (100C) of the vehicle body frame (100).

[Claim 10] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the cushioning member (102) is molded to Y-shaped to conform to the shape of the portion of the vehicle body frame (100).

[Claim 1 1 ] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the cushioning member (102) is molded fork-shaped to conform to the shape of the portion of the vehicle body frame (100).

[Claim 12] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the part of the second cushioning member (104) that is in contact with the vehicle body frame (100) has a recess (101 K).

[Claim 13] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the fuel tank (101 ) is elongated in shape in consonance with the vehicle body frame (100).

[Claim 14] The fuel tank mount system (201 ) as claimed in claim 1 , wherein the fuel tank (101 ) comprises: at least one first mounting provision (101 A) provided at a frontend portion of the fuel tank (101 ); and at least one second mounting provision (101 B) provided at a rear-end portion of the fuel tank (101 ), and wherein the cushioning member (102) is disposed between the at least one first mounting provision (101 A) and the at least one second mounting provision (101 B) in the front-rear direction of the vehicle (200).

[Claim 15] The fuel tank mount system (201 ) as claimed in claim 14, wherein the at least one first mounting provision is a C-Cup mounting (101 D).

[Claim 16] The fuel tank mount system (201 ) as claimed in claim 15, wherein the C-Cup mounting (101 D) is attached to the vehicle body frame (100) through a rubber bush (101 E).

[Claim 17] The fuel tank mount system (201 ) as claimed in claim 14, wherein the cushioning member (102) is disposed between the at least one first mounting provision (101 A) and a fuel pump base (101 C) on a bottom portion of the fuel tank (101 ).

[Claim 18] The fuel tank mount system (201 ) as claimed in claim 14, wherein the at least one second mounting provision (101 B) is attached to the vehicle body frame (100) through flanged bolts (101 F).

[Claim 19] A fuel tank mount system (201 ) of a vehicle (200), comprising: a vehicle body frame (100) extending in a front-rear direction of the vehicle (200); a fuel tank (101 ) mounted on a front-end portion of the vehicle body frame (100), wherein the fuel tank (101 ) comprises: at least one first mounting provision (101 A) provided at a frontend portion of the fuel tank (101 ), and at least one second mounting provision (101 B) provided at a rear-end portion of the fuel tank (101 ); and a cushioning member (102) disposed on the vehicle body frame (100), and between the at least one first mounting provision (101 A) and the at least one second mounting provision (101 B) in the front-rear direction of the vehicle (200), wherein the cushioning member (102) is constituted by a combination of at least two cushioning members, comprising: a first cushioning member (103), which allows resting provision for the fuel tank (101 ), and a second cushioning member (104) in connection with the vehicle body frame (100), wherein the first cushioning member (103) is of lower density in comparison to density of the second cushioning member (104).

[Claim 20] A vehicle (200) comprising the fuel tank mount system (201 ) as claimed in any one of claims 1 to 19.

[Claim 21] A method of assembling a fuel tank mount system (201) as claimed in claim 1 , the method comprising: a. connecting the first cushioning member (103) to the fuel tank (101) by applying an adhesive material; b. attaching the first cushioning member (103) and the second cushioning member (104) by applying adhesive material therebetween; c. connecting the second cushioning member (104) to the vehicle body frame (100) by inserting two lugs (105) into respective holes (106) in the vehicle body frame (100) and by applying an adhesive material to the second cushioning member (104); and d. securing the fuel tank (101) at the top of a left tank rail (100B) and a right tank rail (100C) by tightening nut bolts with pre-defined torque.