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WO2024251720A1 - Module de proue pour navire modulaire, navire modulaire et utilisation d'un flotteur gonflable et pouvant être rendu indéformable - Google Patents

Module de proue pour navire modulaire, navire modulaire et utilisation d'un flotteur gonflable et pouvant être rendu indéformable Download PDF

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Publication number
WO2024251720A1
WO2024251720A1 PCT/EP2024/065301 EP2024065301W WO2024251720A1 WO 2024251720 A1 WO2024251720 A1 WO 2024251720A1 EP 2024065301 W EP2024065301 W EP 2024065301W WO 2024251720 A1 WO2024251720 A1 WO 2024251720A1
Authority
WO
WIPO (PCT)
Prior art keywords
bolt
module
buoyancy body
bow
receptacle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2024/065301
Other languages
German (de)
English (en)
Inventor
Benjamin Köhnsen
Markus Zey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jetworx GmbH
Original Assignee
Jetworx GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jetworx GmbH filed Critical Jetworx GmbH
Publication of WO2024251720A1 publication Critical patent/WO2024251720A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/10—Motor-propelled water sports boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/50—Boards characterised by their constructional features
    • B63B32/51—Inflatable boards, e.g. drop-stitch inflatable boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/50—Boards characterised by their constructional features
    • B63B32/53—Sectionalised boards, e.g. modular, dismountable or foldable boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor

Definitions

  • the invention relates to a bow module for a modular watercraft, a modular watercraft and the use of an inflatable and shape-stabilizable buoyancy body for a modular watercraft with a jet propulsion module.
  • a watercraft with a jet propulsion module comprising modules that can be connected to one another, wherein a stern module and a bow module are provided, which can be detachably connected by means of a first connection mechanism, and furthermore a jet propulsion module and a power supply module are provided as detachably connectable to the stern module.
  • the modular design of a watercraft makes it easy It is possible to operate a wide variety of watercraft with the same jet propulsion module and the same power supply module.
  • the stern module can be designed as the stern of a surfboard or a boogie board or a canoe and the bow module can be designed as the corresponding bow of the respective watercraft.
  • a bow module for a modular watercraft wherein the watercraft comprises modules that can be connected to one another, wherein a stern module and a bow module are provided, which can be detachably connected by means of a first connection mechanism, wherein the stern module can be connected to a jet drive module, wherein the bow module is further developed such that the bow module has a connecting body and a buoyancy body, wherein the connecting body can be connected to the stern module by means of the first connection mechanism and has a dimensionally stable buoyancy body holder for receiving the buoyancy body, wherein the buoyancy body can be inflatable by means of compressed air and is designed to be dimensionally stabilized and, in an inflated state, can be or is clamped into a recess of the buoyancy body holder.
  • the bow module has a buoyancy body and a connecting body with a buoyancy body holder, the buoyancy body being designed to be inflatable using compressed air.
  • the buoyancy body By clamping the buoyancy body into a recess in the buoyancy body holder, the buoyancy body can be stably connected or releasably connected to the rear module. Due to the small transport volume and weight of a buoyancy body when it is not filled with compressed air, the transport of a bow module is significantly simplified. This enables a user of a modular watercraft, for example, to carry different bow modules or at least different buoyancy bodies for different applications.
  • a clamp connection provides a stable and secure connection between the buoyancy body and the connecting body, which is ecologically advantageous and does not require any adhesive.
  • the modular watercraft is in particular an electrically motorized surfboard or bodyboard.
  • the buoyancy body is connected in the buoyancy body holder by means of a force-fit connection.
  • the buoyancy body can be clamped into the recess of the buoyancy body holder by inflating it using compressed air.
  • the buoyancy body is clamped into the recess by inflating it. It is advantageous here if the increase in the volume of the buoyancy body by filling it with compressed air creates a clamping effect in the recess.
  • the connecting body and/or the buoyancy body holder is made at least partially, in particular predominantly or completely, from plastic.
  • the plastic is in particular dimensionally stable plastic.
  • the plastic is polyethylene, polypropylene, polyester, glass fiber reinforced polyester or epoxy resin.
  • the connecting body is made from polyethylene.
  • the connecting body is hollow. Due to the low weight, such a connecting body is in particular floating and/or buoyant. This is useful when assembling a modular watercraft in the water.
  • the connecting body is produced by means of a rotational melting process or rotational molding.
  • buoyancy bodies and connecting bodies are made of different materials, for example different plastics.
  • the stability of the bow module is increased if the buoyancy body and the connecting body are detachably connected or releasably connected by means of at least one bolt connection.
  • a bolt connection in addition to a clamp connection enables better stability of the connection point between the buoyancy body and the connecting body, so that such a bow module enables flexible applications and can be mounted very safely and precisely.
  • a bow module is further developed in that the buoyancy body holder has an upper side receiving section and a lower side receiving section and that the buoyancy body has a buoyancy body upper side and buoyancy body lower side and buoyancy body side surfaces, wherein the bow module has at least one bolt holder for receiving a bolt wherein the at least one bolt receptacle comprises a top bolt opening in the top receiving section of the buoyancy body receptacle and a bottom bolt opening in the bottom receiving section of the buoyancy body receptacle and a buoyancy body bolt opening in the buoyancy body, wherein the buoyancy body bolt opening is arranged in a rear part of the buoyancy body and extends through the buoyancy body from the top of the buoyancy body to the bottom of the buoyancy body, wherein the top bolt opening and the bottom bolt opening are arranged in alignment with one another, wherein the buoyancy body bolt opening is arranged or can be arranged in alignment with the top bolt opening and the bottom bolt opening, wherein the bow module has a bolt for connecting the buoyancy body and the
  • the buoyancy body and the connecting body are detachably connectable or detachably connected by means of at least one bolt connection, wherein the at least one bolt receptacle and the at least one bolt effect the bolt connection.
  • the recess of the buoyancy body holder into which the buoyancy body can be clamped or is clamped in an inflated state, is arranged between the upper side receiving section and the lower side receiving section.
  • clamping into the recess corresponds to an introduction between the upper side receiving section and the lower side receiving section, wherein the compressed air in the buoyancy body has a outwardly directed force on the inner sides of the top receiving section and the bottom receiving section.
  • top bolt openings and/or bottom bolt openings and/or buoyancy body bolt openings enables simple construction of the components as well as favorable force effects in favor of a stable connection.
  • the top receiving section is double-walled, with a top wall and a bottom wall being provided, which are connected by means of at least one bolt opening side surface.
  • the bolt opening side surfaces are a partition between the top receiving section and the top bolt opening.
  • the top receiving section is made hollow. In this case, the bolt opening side surfaces provide additional stability for the top bolt opening.
  • the bottom receiving section is advantageously double-walled with a top wall and a bottom wall, which are connected by means of at least one bolt opening side surface.
  • the bolt opening side surfaces are a partition between the bottom receiving section and the bottom bolt opening.
  • the bottom receiving section is made hollow. In this case, the bolt opening side surfaces provide additional stability to the top bolt opening.
  • a bolt inserted into a buoyancy body bolt opening creates a positive connection.
  • the walls of a bolt opening exert a positive pressure against the associated bolt in the inflated state of the buoyancy body. Force and in the non-inflated state, the walls of a bolt opening do not exert any force on the associated bolt.
  • the diameter of at least one bolt opening is smaller than the diameter of at least one bolt, so that the at least one bolt in the non-inflated state increases the diameter of the bolt opening when driven through the bolt opening.
  • the buoyancy body is made in particular from elastic material, so that it, in particular the bolt openings, can be adapted to a bolt in certain embodiments.
  • An inflated state of the buoyancy body is in particular a state in which the buoyancy body is filled with compressed air.
  • a nut or a sleeve nut is detachably fastened or fastenable, for example screwed or screwable, to at least one end of the bolt.
  • the reliability of the connection within the bow module is further increased if the bow module has at least two bolt receptacles, each comprising a top side bolt opening, a bottom side bolt opening and a buoyancy body bolt opening and at least two bolts.
  • At least two bolt receptacles and/or at least two bolts are each designed identically. This simplifies the construction.
  • each bolt is adapted to the respective bolt receptacle.
  • At least one bolt is designed as a fitting bolt, wherein in particular the at least one bolt designed as a fitting bolt has a positive connection with a boi- zen receptacle.
  • a fitting bolt here is a bolt with little play or no play in the bolt opening.
  • a fitting bolt is a fitting screw with a head and partial thread.
  • the bolt is designed to be elastic and has a slightly larger diameter than a bolt receptacle, in particular a buoyancy body bolt opening, so that the bolt is additionally held in the bolt receptacle, in particular in the buoyancy body bolt opening, by means of a force-fit connection.
  • each bolt is made at least partially, and especially predominantly, from plastic.
  • plastic is polyethylene, polypropylene, polyester, glass fiber reinforced polyester or glass fiber reinforced epoxy resin.
  • the bolt is designed as a hollow bolt. In another embodiment, it is made of solid material. In particular, the bolt is made of dimensionally stable plastic.
  • each bolt has a diameter of at least 5 cm, at least 8 cm, at least 10 cm or at least 12 cm. In a particularly preferred range, each bolt has a diameter of at least 5 cm and a maximum of 15 cm.
  • each buoyancy body bolt opening is advantageously spaced from the buoyancy body side surfaces by at least 5 cm, at least 8 cm, at least 10 cm or at least 12 cm. In a particularly preferred range, each buoyancy body bolt opening is spaced from the buoyancy body side surfaces by at least 10 cm and at most 25 cm apart.
  • each bolt has a first end and a second end, wherein a releasably attached first locking bolt plate is provided at the first end for securing the bolt, wherein a releasably attached or non-releasably attached second locking bolt plate is provided at the second end.
  • first and second locking bolt plates are components of the bolt.
  • the bolt and the second locking bolt plate are advantageously formed as one piece.
  • a first locking bolt plate is disk-shaped or a first locking bolt plate is a sleeve nut or a sleeve with a collar.
  • the first safety bolt plate is arranged or can be arranged flush with an upper side of the upper side receiving section or flush with an underside of the lower side receiving section.
  • flush means in particular that the outer surface of the safety bolt plate is arranged in a plane spanned by the upper side or underside of the buoyancy body receiving section. This results in a flat surface from the surface of the connecting body including the safety bolt plate(s).
  • the buoyancy body holder advantageously has at least one recess into which a safety bolt plate can be introduced and in particular is dimensioned to suit it.
  • a safety bolt plate preferably causes a force against an upper side of the upper side receiving section and/or an underside of the lower side receiving section.
  • the first locking bolt plate has a hexagon socket, whereby the first locking bolt plate can be fastened by means of the hexagon socket.
  • a hexagon socket is arranged in a sleeve nut.
  • the second locking bolt plate has a hexagon socket, whereby the second locking bolt plate can be fastened by means of the hexagon socket.
  • a modular watercraft comprising a bow module as described above and a stern module and a jet drive module, wherein the stern module can be detachably connected to the jet drive module, wherein in particular the stern module has a recess that is complementary in shape to the jet drive module.
  • Such a modular watercraft has the same advantages as the bow module described above, so that explicit reference is made to the preceding description to avoid repetition.
  • the jet propulsion module can be accommodated and/or integrated into the rear module.
  • the modular watercraft has features of a modular watercraft according to DE 10 2019 1 16 689.
  • the watercraft has a power supply module that can be detachably connected to the rear module, wherein the power supply module provides the power supply for the jet propulsion module.
  • Embodiments according to the invention can fulfill individual features or a combination of several features.
  • Fig. 1 is a schematic, perspective exploded view of a first embodiment of a modular watercraft with a bow module according to the invention
  • Fig. 2 is a schematic exploded plan view of the top of the first embodiment of a modular watercraft
  • Fig. 3 is a schematic plan view of the top of an assembled first embodiment of a modular watercraft
  • Fig. 4 is a schematic exploded side view of the first embodiment of a modular watercraft
  • Fig. 5 is a schematic, perspective exploded view of a first embodiment of a connecting body with bolts
  • Fig. 6 is a schematic perspective view of an assembled first embodiment of a connecting body with bolts
  • Fig. 7 is a schematic side view of an assembled first embodiment of a connecting body with bolts.
  • Fig. 1 shows a schematic, perspective exploded view of a first embodiment of a modular watercraft 20 with an embodiment of a bow module 30.
  • the watercraft 20 has a bow module 30 and a stern module 22.
  • the stern module 22 is designed to accommodate a jet drive module 24 and a power supply module 28.
  • the stern module 22 has a recess 29.
  • a first connection mechanism 26 the stern module 22 can be connected to the bow module 30.
  • the first connection mechanism 26 is not shown in detail.
  • the bow module 30 has a connecting body 40 and a buoyancy body 50.
  • the two components are connected to one another by means of the buoyancy body holder 42 of the connecting body 40.
  • a bolt connection 60 also stabilizes the connection.
  • the buoyancy body holder 42 has an upper side receiving section 46 and a lower side receiving section 47.
  • a recess 48 is arranged between them, into which the buoyancy body 50 can be introduced.
  • top side bolt openings 66 in the top side receiving section 46 are aligned with the bottom side bolt openings 67 in the bottom side receiving section 47 and with the buoyancy body bolt openings 52. Due to the resulting alignment, bolts 64 with sleeve nuts 72 are guided as a locking bolt plate 70 as a counterpart.
  • Fig. 2 shows a schematic exploded top view of the top of the first embodiment of a modular watercraft 20 shown in Fig. 1.
  • Fig. 2 thus shows essentially the same components from a different perspective.
  • the bolts 64 are inserted into the bolt receptacles 62 of the buoyancy body receptacle 42. Due to the viewing direction shown, only the top side receptacle section 46 of the buoyancy body receptacle 42 and the buoyancy body top side 56 are shown.
  • Fig. 3 shows the modules of a modular watercraft 20 shown individually in Fig. 2 in an assembled form.
  • the connecting body 40 is connected to the rear module 22 by means of the first connecting mechanism 26.
  • the buoyancy body 50 is in the buoyancy body holder 42 of the connecting body 40 is inserted and additionally fastened by means of a bolt connection 60.
  • the bolt connection 60 of the bolts 64 connects the upper side receiving section 46, the buoyancy body bolt opening 52 and the lower side receiving section 47.
  • the buoyancy body bolt openings 52 are designed such that, in the inflated state, the diameter of the buoyancy body bolt openings 52 is slightly smaller than the diameter of the bolts 64, so that the bolts 64 displace the elastic material of the buoyancy body bolt openings 52 by means of force and temporarily increase the diameter of the buoyancy body bolt openings 52. This results in a positive and non-positive connection.
  • Fig. 4 shows a schematic exploded side view of the first embodiment of a modular watercraft 20, which is shown in a similar form in Fig. 1 in a different representation. From Fig. 4 it is clear that the buoyancy body 50 can be inserted into the connecting body 40.
  • the buoyancy body 50 is introduced into the buoyancy body holder 42 in the non-inflated state and is filled with compressed air in this arrangement.
  • Such clamping of the buoyancy body in the buoyancy body holder can be sufficient for the two components to be held together in a stable manner.
  • the buoyancy body holder has at least one side holder section in addition to a top side holder section and a bottom side holder section. Such a section is not shown in Fig. 4.
  • the connection between the buoyancy body 50 and the buoyancy body holder 42 is further secured by a bolt connection 60 using bolts 64. Stability.
  • Fig. 5 and Fig. 6 show schematic, perspective views of a first embodiment of a connecting body 40 together with bolts 64. While Fig. 5 shows an exploded view, Fig. 6 is a view of an assembled embodiment.
  • a bolt 64 with a permanently attached locking bolt plate 70 is inserted from the outside into the top bolt opening 66.
  • Each bolt 64 is joined to a locking bolt plate 70 designed as a sleeve nut 72, which is inserted from the outside through the bottom bolt opening 67.
  • the bolt 64 is screwed into the sleeve nut 72 by means of an internal hexagon in the locking bolt plate 70 of the bolt 64.
  • top side bolt openings 66 have a recess into which the locking bolt plate 70 can be inserted.
  • the locking bolt plate 70 is dimensioned to match the recess. This results in a flat surface from the top side of the top side receiving section 46 and the locking bolt plate 70.
  • the locking bolt plates 70 of the bolts 64 exert a force against the top side receiving section 46 and the locking bolt plates 70 designed as a sleeve nut 72 exert a force against the bottom side receiving section 47.
  • FIG. 7 A schematic side view of such an assembled first embodiment of a connecting body 40 with a bolt 64 and a locking bolt plate 70 in the form of a sleeve nut 72 is shown in Fig. 7.
  • a buoyancy body 50 which is introduced into the recess 48 of the buoyancy body holder 42 from the right in the plane of the drawing. Then, to assemble a bow module 30, the buoyancy body 50 is inserted by means of the bolt connection 60 shown is further fixed.
  • the top of the top receiving portion 46 is substantially flush with the locking bolt plate 70 of the bolt 64 and the bottom of the bottom receiving portion 47 is substantially flush with the sleeve nut 72 as the locking bolt plate 70.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Textile Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne entre autres un module de proue (30) pour un navire modulaire (20), le navire (20) comprenant des modules pouvant être reliés les uns aux autres, un module poupe (22) et un module proue (30) étant prévus, lesquels peuvent être reliés de manière détachable au moyen d'un premier mécanisme de liaison (26), le module poupe (22) pouvant être relié à un module de propulsion par jet d'eau (24). Le module proue (30) présente un corps de liaison (40) et un flotteur (50), le corps de liaison (40) pouvant être relié au module poupe (22) au moyen du premier mécanisme de liaison (26) et présentant un logement de flotteur (42) à stabilité de forme destiné à recevoir le flotteur (50), le flotteur (50) pouvant être gonflé par air comprimé et pouvant être rendu indéformable, et pouvant être bloqué ou étant bloqué à l'état gonflé dans un évidement (48) du logement de flotteur (42).
PCT/EP2024/065301 2023-06-05 2024-06-04 Module de proue pour navire modulaire, navire modulaire et utilisation d'un flotteur gonflable et pouvant être rendu indéformable Pending WO2024251720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023114731.5 2023-06-05
DE102023114731.5A DE102023114731A1 (de) 2023-06-05 2023-06-05 Bugmodul für ein modulares Wasserfahrzeug, modulares Wasserfahrzeug und Verwendung eines aufblasbaren und formstabilisierbaren Auftriebskörpers

Publications (1)

Publication Number Publication Date
WO2024251720A1 true WO2024251720A1 (fr) 2024-12-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/065301 Pending WO2024251720A1 (fr) 2023-06-05 2024-06-04 Module de proue pour navire modulaire, navire modulaire et utilisation d'un flotteur gonflable et pouvant être rendu indéformable

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DE (1) DE102023114731A1 (fr)
WO (1) WO2024251720A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12479540B2 (en) * 2022-04-20 2025-11-25 HC Bros, LLC Multifunctional stand-up paddleboard and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206494089U (zh) * 2017-02-17 2017-09-15 陈朝忠 一种冲浪板
DE102019116689A1 (de) 2019-06-19 2020-12-24 2K Beteiligungen UG (haftungsbeschränkt) Wasserfahrzeug mit einem Jetantriebsmodul
US20230019805A1 (en) * 2020-03-25 2023-01-19 2K Beteiligungen UG (haftungsbeschraunkt) Control of a watercraft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409920A (en) * 1966-10-25 1968-11-12 Charles R. Brownley Sectionalized surfboard
CN219406825U (zh) * 2023-04-04 2023-07-25 威海卡尔维森船艇有限公司 一种折叠式冲浪板
CN219884047U (zh) * 2023-07-04 2023-10-24 宁波凯行科技有限公司 一种可拆卸动力桨板

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206494089U (zh) * 2017-02-17 2017-09-15 陈朝忠 一种冲浪板
DE102019116689A1 (de) 2019-06-19 2020-12-24 2K Beteiligungen UG (haftungsbeschränkt) Wasserfahrzeug mit einem Jetantriebsmodul
US20230019805A1 (en) * 2020-03-25 2023-01-19 2K Beteiligungen UG (haftungsbeschraunkt) Control of a watercraft

Also Published As

Publication number Publication date
DE102023114731A1 (de) 2024-12-05

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