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WO2018137390A1 - Ensemble logement de palier - Google Patents

Ensemble logement de palier Download PDF

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Publication number
WO2018137390A1
WO2018137390A1 PCT/CN2017/111909 CN2017111909W WO2018137390A1 WO 2018137390 A1 WO2018137390 A1 WO 2018137390A1 CN 2017111909 W CN2017111909 W CN 2017111909W WO 2018137390 A1 WO2018137390 A1 WO 2018137390A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracket
impeller
bearing block
block assembly
support
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.)
Ceased
Application number
PCT/CN2017/111909
Other languages
English (en)
Chinese (zh)
Inventor
夏光辉
郭瑞水
余欣锋
邓益明
余卫权
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of WO2018137390A1 publication Critical patent/WO2018137390A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/0563—Bearings cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles

Definitions

  • the invention relates to a bearing seat assembly and belongs to the technical field of air conditioners.
  • air conditioners As a commonly used household appliance, air conditioners, the air duct and the waterway system and the bottom shell as a whole, are first assembled and fixed as the basic parts. If it is necessary to remove and wash, the professional parts of the air conditioner are required. It is extremely inconvenient to remove it after cleaning.
  • the Chinese patent document CN202792451U discloses a wall-mounted air conditioner indoor unit casing which is easy to be removed and washed, and includes a casing and a frame which are mutually interlocked, and the frame is separated, and the casing is first unloaded during cleaning. , remove the fixing screws between the upper frame and the lower frame, then remove the lower frame, then remove the fixing screws of the impeller and the impeller motor shaft, and continue to remove the upper and lower reinforcing rings of one side support frame, which can be easily Remove the impeller. That is to say, in the prior art, the lower frame needs to be removed first, and the impeller and the impeller motor are fixedly mounted on the lower frame.
  • the impeller and the impeller motor are also removed together with the lower frame, and then the impeller is removed.
  • the screw between the impeller motor and the impeller and the motor is complicated to disassemble.
  • one end of the impeller is rotatably disposed on the lower frame, and the other end is fixedly connected to the impeller motor shaft by a fixing screw, and the impeller motor is fixed on the lower frame.
  • Cid Patent No. CN2823621Y discloses a fan device for a household appliance, which includes a coupling device including an impeller nesting and fixing embedded in the center of the other end surface of the fan. a motor bushing mounted on a main shaft of the drive motor, wherein the impeller nest is provided with one or more mounting slots, and the motor bushing is provided with one or more mounting cards, when the fan needs to be removed for cleaning, only It is necessary to move the fan a certain distance in the direction of the fan end shaft, so that the fan can be easily taken out.
  • the above prior art impeller and The impeller motor is first removed together with the lower frame, and then the fan is moved to separate the fan from the motor to remove the fan. Because the one end of the impeller in the prior art is connected to the motor through the coupling device, the other end is rotatably disposed on the bottom casing, that is, the impeller bushing is suspendedly connected to the motor bushing. After the impeller is moved along the axis to separate the impeller bushing from the motor bushing, the impeller bushing has no support points, which causes the impeller to be skewed and dropped, which may cause damage to the impeller blade.
  • the technical problem to be solved by the present invention is that the impeller bushing and the motor bushing are suspended and connected in the fan device of the prior art, and the separation of the impeller and the motor easily leads to the problem that the impeller disassembly process is dropped, thereby proposing a support for the support. Housing assembly for impeller bushings.
  • a bearing housing assembly provided by the present invention includes:
  • the inner annular surface is sleeved on the outer surface of the impeller shaft, and the impeller shaft is drivingly connected with the motor output shaft;
  • the seat bracket is fixedly connected with the support sleeve, and is fixedly mounted on the fan support.
  • the support sleeve is an elastic sleeve.
  • the seat bracket is sleeved on the outer side of the support sleeve.
  • an impeller bearing is further disposed between the inner annulus of the support sleeve and the impeller shaft.
  • the inner wall of the impeller bearing is formed with an oil groove.
  • the support sleeve is a steel apron or a rubber apron or a plastic apron.
  • the seat bracket is fixed to a side wall of the support sleeve axial direction and has an axially extending curved portion.
  • the support sleeve and the seat bracket are integrally formed.
  • the support sleeve is a self-lubricating rubber ring.
  • the fan support is formed on the bottom case; the base support is provided with a branch that cooperates with the bottom case Rack connector.
  • the bracket insertion portion includes: a bracket limiting portion for defining a depth of insertion of the bottom case, and a bracket guiding portion for mating with the guiding structure on the side wall of the bottom case.
  • the bracket limiting portion has a plate structure, is symmetrically formed on the base body bracket and extends radially; the bracket limiting portion is perpendicular to the bracket guiding portion; and the bracket guiding portion is formed on the lower surface of the bracket limiting portion.
  • the bracket insertion portion further includes a bracket barb that is hooked to the through hole of the side wall of the bottom case.
  • the bracket insertion portion has a triangular flange structure corresponding to the inverted triangular groove at the edge of the bottom case; the bracket limiting portion is a root portion of the triangular flange structure; and the bracket guiding portion is formed in the triangular flange structure
  • the strip-shaped grooves on the sides correspond to the strip-shaped projections in the inverted triangular grooves.
  • the present invention provides a bearing housing assembly comprising a support bushing and a seat bracket.
  • the inner ring surface of the support bushing is sleeved on the outer surface of the rotating shaft driven by the motor, and the seat bracket is fixedly connected with the support bushing.
  • the impeller bearing block assembly is mounted on the fan support and disposed at the end of the impeller close to the motor, which solves the problem that the impeller bushing and the motor bushing are suspended and connected, and is used for setting the support point for the impeller bushing when the impeller is disassembled or assembled. Avoid damage to the impeller if it is skewed or dropped.
  • the support bushing is an elastic bushing having a certain elasticity.
  • the elastic condition of the supporting bushing can be The position of the rotating shaft and the output shaft of the motor is adaptively adjusted to offset the misalignment, reduce the wear on the rotating shaft and the output shaft, and improve the life of the rotating shaft and its products.
  • the seat bracket is sleeved on the outer side of the support sleeve, that is, does not interfere with the rotating shaft on the inner ring surface of the support sleeve, and the sleeve connection also makes the support sleeve relatively The seat bracket does not shift.
  • An impeller bearing block assembly provided by the present invention, an impeller bearing is further disposed between the inner ring surface of the support bushing and the rotating shaft of the impeller, and the friction force between the impeller bearing and the rotating shaft is small, so that the rotating shaft is in the impeller bearing seat The resistance during rotation within the assembly is further reduced and the drive is smoother and smoother.
  • An impeller bearing block assembly provided by the present invention, wherein an oil groove is formed on an inner wall of the impeller bearing, so that The inner wall of the impeller bearing and the outer wall of the rotating shaft can be filled with lubricating oil, which reduces the friction between the two relative movements and improves the rotation efficiency.
  • the invention provides an impeller bearing block assembly, wherein the support sleeve is a steel sleeve or a rubber sleeve or a plastic sleeve.
  • the steel bushing has a long life and the rubber bushing has good elasticity, and the plastic bushing is located between the two. In actual use, select different bushing materials as needed.
  • An impeller bearing block assembly provided by the present invention, wherein a support portion is disposed between the inner annular surface and the outer annular surface of the support bushing to support the inner annular surface and the outer annular surface of the support sleeve to prevent it from being squeezed Distorted, resulting in a rotational fit with the rotating shaft of the impeller.
  • the seat bracket is fixed on a side wall of the support sleeve axial direction and has an axially extending curved portion, so that the impeller bearing seat assembly is effectively supported in the axial direction, avoiding between the rotating shaft and the rubber seat assembly The deflection of the angle also reduces the degree of wear of the rotating shaft.
  • the invention provides an impeller bearing seat assembly, wherein the supporting bushing and the seat bracket are integrally injection molded parts, thereby reducing the number of parts and simplifying the assembly process of the product.
  • An impeller bearing block assembly provided by the present invention, the support bushing being a self-lubricating bushing such that the friction between the bushing and the rotating shaft is small.
  • An impeller bearing block assembly provided by the present invention, the fan support is formed on the bottom case; the base support is provided with a bracket insertion portion that cooperates with the bottom case, that is, the seat bracket is fixed to the bottom case by quick plugging. On, to achieve a quick installation.
  • An impeller bearing block assembly provided by the present invention, the bracket insertion portion comprising: a bracket limiting portion for defining a depth of insertion of the bottom case, and a bracket guiding portion for mating with the guiding structure on the side wall of the bottom case.
  • the bracket limiting portion limits the insertion position of the seat bracket, and the bracket guiding portion realizes the plug guiding, and the limiting position and the guiding combination accurately position and mount the seat bracket to realize accurate assembly of the impeller bearing seat assembly.
  • the bracket limiting portion has a plate structure, is symmetrically formed on the base body bracket and extends radially to abut the edge of the fan support on the bottom case (ie The edge of the opening) is used to achieve the limit.
  • the bracket guiding portion is formed on the lower surface of the bracket limiting portion, that is, the guiding position is first guided after the plugging process.
  • the bracket limiting portion is perpendicular to the bracket guiding portion, so that the force on the bracket limiting portion is uniform, and the seat bracket is less inclined.
  • bracket insertion portion further comprising a bracket barb hooked to the through hole of the side wall of the bottom case, thereby preventing the seat frame from being vibrated to escape the bottom case.
  • the bracket insertion portion is a triangular flange structure corresponding to an inverted triangular groove at the edge of the bottom case (ie, the opening edge), and the triangular flange is inserted into the inverted triangular concave
  • the slot connects the support sleeve to the bottom case.
  • the bracket limiting portion is a root portion of the triangular flange;
  • the bracket guiding portion is a strip-shaped groove formed on a side of the triangular flange, corresponding to the strip-shaped protrusion in the inverted triangular groove, guided by the bracket limiting portion and the bracket The part accurately positions the bearing block assembly on the bottom case.
  • Figure 1 is an exploded view of the air conditioner of the present invention
  • FIG. 2 is a schematic structural view of an air duct assembly according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a bearing housing assembly according to an embodiment of the present invention.
  • Figure 4 is an exploded view of the bearing housing assembly of the present invention.
  • Figure 5 is a schematic view showing the assembly structure of the support sleeve and the bottom case
  • Figure 6 is a schematic structural view of another embodiment of the bearing housing assembly of the present invention.
  • Figure 7 is a schematic view showing the assembly structure of another support sleeve and a bottom case
  • Figure 8 is a schematic structural view of still another embodiment of the bearing housing assembly of the present invention.
  • FIG. 9 is a schematic view showing the assembly structure of another support bushing and a bottom case.
  • FIG. 1 shows a modular air conditioner indoor unit according to the present invention, including a base module 100, a heat exchange module 200, a wind water module 300, and an appearance module 400.
  • the base module 100 includes a base member 101
  • the heat exchange module 200 includes a heat exchanger 220.
  • the damper module 300 includes a duct assembly 301. As shown in FIG. 2, the duct assembly has a bottom casing 310.
  • the bottom casing 310 is provided with a fan support 311; between the fan support 311 and the impeller shaft 321 of the impeller 320.
  • a centering device is provided, the centering device being a bearing block assembly 330.
  • An impeller 320 is mounted on the fan support 311, on the side of the impeller shaft 321 near the fan motor 141, and on the fan support 311 of the bottom casing 310 through the bearing block assembly 330, as shown in Figs. 3 and 4 to 9.
  • the impeller assembly in the air duct assembly 301 includes an impeller 320 having an impeller shaft 321 that is coupled to the fan motor 141 at one end of the fan motor 141 and the impeller shaft 321 One end is rotatably disposed on the bottom case 310.
  • the impeller shaft 321 is adjacent to the end of the fan motor 141 and further has a bearing block assembly 330.
  • the bearing block assembly 330 is adapted to be fixed to the bottom case 310.
  • the bearing block assembly 330 of the embodiment includes: a support sleeve 332 and a seat bracket 331.
  • the inner sleeve surface of the support sleeve 332 is sleeved on the outer surface of the impeller shaft 321 , and the rotating shaft and the fan motor 141 output shaft
  • the transmission base is fixedly connected to the support sleeve 332 and is fixedly mounted on the support.
  • An impeller bearing 334 is also disposed between the inner annular surface of the support sleeve 332 and the impeller shaft 321 of the impeller.
  • the support sleeve 332 and the seat bracket 331 are integrally formed.
  • the support bushing is a self-lubricating rubber ring.
  • the seat bracket 331 is provided with a bracket insertion portion 3310 that cooperates with the bottom case 310.
  • the bracket insertion portion 3310 includes a bracket limiting portion 3311 for defining a depth of insertion of the bottom case 310, and a bracket guiding portion 3312 for engaging with the guiding structure 3102 on the side wall of the bottom case 310.
  • the support sleeve 332 is a self-lubricating elastic apron.
  • An impeller bearing 334 and an impeller bearing 334 are further disposed in the support sleeve 332. Rotating cooperation with the impeller shaft 321 .
  • the bottom case 310 has a side facing the heat exchange module 200, on which a water tank that receives and discharges condensed water from the heat exchange module 200 is formed. After the impeller 320 is mounted on the fan support 311, it is in the water tank.
  • the bearing block assembly 330 is mounted on the support, which is disposed at one end of the impeller 320 near the fan motor 141, and solves the problem that the impeller shaft and the motor output shaft are suspended.
  • the bearing block assembly 330 provided in this embodiment is used to support the impeller bushing near the end of the fan motor 141 to prevent the impeller 320 from being disassembled. Or the impeller 320 is damaged or dropped during assembly or damage.
  • the impeller 320 can be supported by the bearing block assembly 330. After the impeller 320 is cleaned, the impeller 320 is centered with the fan motor 141 by the bearing block assembly 330 before the impeller 320 is mated with the fan motor 141.
  • the support sleeve 332 is an elastic sleeve and has a certain elasticity. When the rotation shaft and the fan motor 141 are initially misaligned, the elasticity of the support sleeve 332 can be adjusted according to the rotation axis and the output shaft of the fan motor 141.
  • the position is adjusted adaptively to offset the misalignment, reduce the wear on the rotating shaft and the output shaft, and improve the life of the rotating shaft and its products.
  • the seat bracket 331 is sleeved on the outer side of the support sleeve 332, that is, does not interfere with the rotating shaft on the inner ring surface of the support sleeve 332, and the sleeve connection also makes the support sleeve 332 not displaced relative to the seat bracket 331.
  • the inner wall of the impeller bearing 334 is formed with an oil groove, so that the inner wall of the impeller bearing 334 and the outer wall of the rotating shaft can be filled with lubricating oil, thereby reducing the friction between the two relative movements and improving the rotation efficiency.
  • the seat bracket 331 is fixed on a side wall of the support sleeve 332 in the axial direction, and has an axially extending curved portion, so that the bearing block assembly 330 is effectively supported in the axial direction to avoid the rotating shaft and the rubber seat assembly.
  • the deflection between the angles reduces the degree of wear of the rotating shaft.
  • the base bracket 331 is provided with a bracket insertion portion 3310 that cooperates with the bottom casing 310.
  • the bracket insertion portion 3310 includes a bracket limiting portion 3311 for defining a depth of insertion with the bottom casing 310, and a sidewall of the bottom casing 310.
  • the upper guiding structure 3102 is fitted with a bracket guiding portion 3312.
  • the bracket limiting portion 3311 limits the insertion position of the seat bracket 331 , and the bracket guiding portion 3312 realizes the plug guiding.
  • the limiting and guiding combination combines the seat bracket 331 to accurately position and mount, thereby realizing the precision of the bearing seat assembly 330 . assembly.
  • the bracket limiting portion 3311 has a plate structure and is symmetrically formed on the base bracket 331 and extends radially to abut against the lip 3101 on the fan support 311 of the bottom casing 310 to achieve the limit.
  • Bracket guide The 3312 is formed on the lower surface of the bracket limiting portion 3311, that is, the first guiding rear limit position during the plugging process.
  • the bracket limiting portion 3311 is perpendicular to the bracket guiding portion 3312, so that the force on the bracket limiting portion 3311 is uniform, and the seat bracket 331 is less inclined.
  • the bracket insertion portion 3310 further includes a bracket barb 3313 that is hooked to the through hole 3103 of the side wall of the bottom case 310, thereby preventing the seat bracket 331 from being shaken to come out of the bottom case 310.
  • the bearing block assembly 330 of the present embodiment includes: a support sleeve 332 having an inner annular surface sleeved on the outer surface of the impeller shaft 321 .
  • the rotating shaft is connected to the output shaft 142 of the fan motor 141.
  • the base bracket 331 is fixedly connected to the support sleeve 332 and is fixedly mounted on the support.
  • the bearing block assembly 330 is mounted on the support, which is disposed at an end of the impeller 320 near the fan motor 141, which solves the problem that the impeller bushing is suspended from the motor bushing.
  • the bearing block assembly 330 provided in this embodiment is used to support the impeller bushing near the end of the fan motor 141 to prevent the impeller 320 from being disassembled.
  • the impeller 320 is damaged or dropped during the process. That is, after the operator pushes the impeller 320 away from the fan motor 141 before the impeller 320 needs to be removed for cleaning, the impeller 320 can be supported by the bearing block assembly 330. After the impeller 320 is cleaned, the impeller 320 is centered with the fan motor 141 by the bearing block assembly 330 before the impeller 320 is mated with the fan motor 141.
  • a support portion is disposed between the inner annular surface and the outer annular surface of the support sleeve 332 to support the inner annular surface and the outer annular surface of the support sleeve to prevent it from being squeezed and twisted, so that the rotation shaft of the impeller 320 cannot be rotated and matched.
  • the seat bracket 331 is fixed on a side wall of the support sleeve 332 in the axial direction, and has an axially extending curved portion, so that the bearing block assembly 330 is effectively supported in the axial direction to avoid the rotating shaft and the rubber seat assembly. The deflection between the angles reduces the degree of wear of the rotating shaft.
  • the support sleeve 332 and the seat bracket 331 are integrally molded, thereby reducing the number of parts and simplifying the product assembly process.
  • the support bushing 332 is a self-lubricating bushing so that the friction between it and the rotating shaft can be made small.
  • the bearing block assembly 330 is formed on the bottom case 310.
  • the base frame 331 is provided with a bracket insertion portion 3310 that cooperates with the bottom case 310.
  • the seat frame 331 is fastened to the bottom case 310 by means of quick insertion. Achieve quick installation.
  • the bracket insertion portion 3310 is the same as the bracket insertion portion 3310 described above, and includes: a bracket limiting portion 3311 for defining a depth of insertion with the bottom case 310, and a sidewall of the bottom case 310.
  • the guide structure 3102 is fitted with a bracket guide portion 3312.
  • a bearing block assembly 330 of the present embodiment includes a support bushing 332 and a seat bracket 331.
  • the inner ring surface of the support bushing 332 is sleeved outside the impeller shaft 321 On the surface, the rotating shaft is connected to the output shaft of the fan motor 141; the base bracket 331 is fixedly connected to the supporting sleeve 332 and is fixedly mounted on the support.
  • the bearing block assembly 330 is mounted on the support, which is disposed at an end of the impeller 320 near the fan motor 141, which solves the problem that the impeller bushing is suspended from the motor bushing.
  • the bearing housing assembly 330 provided in the embodiment is used to support the impeller bushing near the end of the fan motor 141 to prevent the impeller 320 from being disassembled.
  • the impeller 320 is damaged or dropped during the loading process.
  • the bracket insertion portion 3310 has a triangular flange structure corresponding to the inverted triangular groove 3104 at the lip 3101 of the bottom case 310, and the triangular flange is inserted into the inverted triangular groove 3104 so that the support sleeve 332 is The bottom case 310 is connected.
  • the bracket limiting portion 3311 is a root portion of the triangular flange structure; the bracket guiding portion 3312 is a strip-shaped groove formed on a side of the triangular flange structure, corresponding to the strip-shaped protrusion 3105 in the inverted triangular groove 3104, through the bracket
  • the limiting portion 3311 and the bracket guiding portion 3312 accurately position and fix the bearing housing assembly 330 on the bottom case 310.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne le domaine technique de la climatisation. L'invention concerne un ensemble logement de palier. L'ensemble logement de palier comprend un manchon de palier de support (332) et un cadre de logement (331). Une surface de bague interne du manchon de palier de support (332) est disposée sur une surface externe d'un arbre d'hélice entraîné en rotation par moteur (321). Le cadre de logement (331) est raccordé de manière fixe au manchon de palier de support (332) pour installer l'ensemble logement de palier sur un logement de ventilateur (311). Le manchon de palier de support (332) présente un degré de flexibilité. En cas de mauvais alignement lorsque l'arbre d'hélice (321) se raccorde d'abord au moteur, la flexibilité du manchon de palier de support (332) permet un réglage en fonction de la position de l'arbre d'hélice (321) et d'un arbre de sortie du moteur. L'invention réduit ainsi l'usure par frottement sur l'arbre d'hélice (321) et l'arbre de sortie pendant un mauvais alignement et améliore la durée de vie de l'arbre d'hélice (321) et d'un produit de celui-ci.
PCT/CN2017/111909 2017-01-25 2017-11-20 Ensemble logement de palier Ceased WO2018137390A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710056321.7 2017-01-25
CN201710056321 2017-01-25
CN201710303504.4A CN108343633A (zh) 2017-01-25 2017-05-02 一种轴承座组件
CN201710303504.4 2017-05-02

Publications (1)

Publication Number Publication Date
WO2018137390A1 true WO2018137390A1 (fr) 2018-08-02

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PCT/CN2017/111909 Ceased WO2018137390A1 (fr) 2017-01-25 2017-11-20 Ensemble logement de palier

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CN (3) CN108343633A (fr)
WO (1) WO2018137390A1 (fr)

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CN108343633A (zh) * 2017-01-25 2018-07-31 珠海格力电器股份有限公司 一种轴承座组件
CN116838649A (zh) * 2023-07-06 2023-10-03 深圳市千岩科技有限公司 塔扇

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