WO2017141718A1 - Accumulateur - Google Patents

Accumulateur Download PDF

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Publication number
WO2017141718A1
WO2017141718A1 PCT/JP2017/003819 JP2017003819W WO2017141718A1 WO 2017141718 A1 WO2017141718 A1 WO 2017141718A1 JP 2017003819 W JP2017003819 W JP 2017003819W WO 2017141718 A1 WO2017141718 A1 WO 2017141718A1
Authority
WO
WIPO (PCT)
Prior art keywords
diameter side
bladder
inner diameter
peripheral portion
shell
Prior art date
Application number
PCT/JP2017/003819
Other languages
English (en)
Japanese (ja)
Inventor
真也 上村
克実 松井
Original Assignee
イーグル工業株式会社
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 イーグル工業株式会社 filed Critical イーグル工業株式会社
Priority to JP2018500030A priority Critical patent/JP6860546B2/ja
Priority to EP17752981.5A priority patent/EP3418583B1/fr
Publication of WO2017141718A1 publication Critical patent/WO2017141718A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
    • F15B1/12—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means attached at their periphery
    • F15B1/14—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means attached at their periphery by means of a rigid annular supporting member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F15B2201/205—Accumulator cushioning means using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3151—Accumulator separating means having flexible separating means the flexible separating means being diaphragms or membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3155—Accumulator separating means having flexible separating means characterised by the material of the flexible separating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3156—Accumulator separating means having flexible separating means characterised by their attachment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3157—Sealings for the flexible separating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/32—Accumulator separating means having multiple separating means, e.g. with an auxiliary piston sliding within a main piston, multiple membranes or combinations thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/60—Assembling or methods for making accumulators
    • F15B2201/61—Assembling or methods for making separating means therefor

Definitions

  • the present invention relates to an accumulator in which a bladder is disposed inside a shell to divide the internal space of the shell into a gas chamber and a liquid chamber.
  • a bladder type accumulator in which an inner peripheral surface of a shell is closely attached to the inner peripheral surface of the shell to divide the inner space of the shell into a gas chamber and a liquid chamber.
  • a material having good gas shielding properties is used as the material of the bladder disposed on the gas side, and the bladder is disposed on the liquid chamber side.
  • a bladder material an accumulator having a bladder structure composed of two materials using a material having good liquid resistance has been proposed. (For example, patent document 1).
  • the present invention has been made paying attention to such problems, and an object of the present invention is to provide an accumulator excellent in the sealing performance of the joints between the bladders.
  • an accumulator comprises: An accumulator for arranging a bladder inside the shell and partitioning the inner space of the shell into a gas chamber and a liquid chamber, An outer diameter side bladder, the peripheral part of which is disposed on the inner peripheral part of the shell; An inner diameter side bladder in which a peripheral edge formed to protrude to the inner diameter side is disposed inside the outer diameter side bladder; A holder for holding a peripheral edge of the outer diameter side bladder and a peripheral edge of the inner diameter side bladder facing the inner peripheral part of the shell from the inner diameter side; The peripheral portion of the outer diameter side bladder includes an outer annular protrusion on the outer diameter side, and the peripheral portion of the inner diameter side bladder includes an inner annular protrusion that contacts the holder on the inner diameter side.
  • the inner ring-shaped protrusion at the peripheral edge of the inner diameter side bladder and the outer ring-shaped protrusion at the peripheral edge of the outer diameter side bladder are compressed in the radial direction by the radial compression force of the holder, ensuring a large fastening allowance. As a result, the sealing property of the joint between the bladders can be improved.
  • the inner diameter side bladder is made of a material having a low gas permeability
  • the outer diameter side bladder is made of a material having liquid resistance
  • a gas chamber is disposed on the inner diameter side of the bladder
  • the outer diameter side of the bladder is A liquid chamber is arranged.
  • a bladder made of a material having a low gas permeability on the gas chamber side (a material having a lower gas permeability than the liquid chamber side and hardly deteriorates) is disposed, and the material having liquid resistance on the liquid chamber side.
  • each fluid does not leak into the other fluid chamber by each bladder. It can be a structure.
  • the peripheral edge portion of the inner diameter side bladder further includes an outer annular protrusion on the outer diameter side thereof. According to this feature, it is possible to prevent gas leakage by providing an inner annular protrusion and an outer annular protrusion for a gas having small fluid particles, and to the liquid chamber or between two bladders. Gas can be prevented from entering.
  • the inner annular protrusion of the inner diameter side bladder is provided at a position facing the outer annular protrusion of the outer diameter side bladder or the outer annular protrusion of the inner diameter side bladder. According to this feature, the inner annular protrusion of the inner diameter side bladder and the outer annular protrusion of the outer diameter side bladder or the outer annular protrusion of the inner diameter side bladder can be pressed against each other to ensure a large tightening margin, Sealability between the bladders and between the bladders can be ensured.
  • the peripheral portion of the outer diameter side bladder is characterized by being nested by the peripheral portion of the inner diameter side bladder. According to this feature, since the peripheral portion of the outer diameter side bladder is nested by the peripheral portion of the inner diameter side bladder, the sealability between the outer diameter side bladder and the inner diameter side bladder can be ensured.
  • the peripheral portion of the outer diameter side bladder further includes an inner annular protrusion on the inner diameter side thereof. According to this feature, the outer circumferential side of the outer diameter side bladder can secure a larger tightening margin by the outer annular projection of the inner diameter side bladder, and the sealing performance between the outer diameter side bladder and the inner diameter side bladder can be secured. .
  • FIG. (A) is a figure which shows the peripheral part of an outer diameter side bladder and an inner diameter side bladder, (b) is the A section enlarged view of FIG. It is a partial sectional side view of the accumulator in Example 2.
  • FIG. (A) is a figure which shows the peripheral part of an outer diameter side bladder and an inner diameter side bladder, (b) is the B section enlarged view of FIG.
  • the accumulator 10 in FIG. 1 denotes an accumulator to which the present invention is applied.
  • the accumulator 10 includes a shell 20, a bladder 30 that is disposed on an inner peripheral portion 20 b of the shell 20, and divides the internal space of the shell 20 into a gas chamber G and a liquid chamber R, and a bladder And a holder 40 that holds the peripheral edge portion 30a of the 30 facing the shell 20 from the inner diameter side.
  • the shell 20 is made of metal, and hemispherical portions 21 and 22 are formed so as to have a stepped portion with which a holder 40 described later is engaged, and a spherical shape having a substantially spherical vacancy therein. It is formed as a body.
  • An opening 21a is formed at the bottom of the hemispherical portion 21, and a liquid port 23 is fixed to the opening 21a by welding.
  • a gas plug 24 is detachably disposed at the bottom of the hemispherical portion 22 facing the opening 21a.
  • the bladder 30 is a flexible film-like body, and is disposed on the inner diameter side of the outer diameter side bladder 31 and the outer diameter side bladder 31 that are arranged in a natural state so as to face the inner peripheral portion 20 b of the shell 20.
  • the outer diameter side bladder 31 is made of a two-layer structure comprising an inner diameter side bladder 32.
  • the outer diameter side bladder 31 is a liquid-resistant material such as a rubber or a resin film having a high sealing property that is not easily deteriorated by the liquid even when it comes into contact with the liquid. Consists of.
  • the inner diameter side bladder 32 is made of a gas shielding material such as a rubber or a resin film having a high shielding property which does not easily deteriorate even when in contact with a gas such as nitrogen and does not transmit gas.
  • the peripheral portion 30a of the bladder 30 is composed of a peripheral portion 31a of the outer diameter side bladder 31 and a peripheral portion 32a of the inner diameter side bladder 32.
  • the peripheral portion 31a and the peripheral portion 32a are in contact with the inner peripheral portion 20b of the shell 20, respectively.
  • the internal space of the shell 20 is partitioned in a sealed manner into a gas chamber G filled with gas and a liquid chamber R filled with a liquid such as oil.
  • the outer diameter side bladder 31 has an annular peripheral portion 31a that is substantially rectangular in cross section and protrudes toward the inner diameter side and is formed thick, and an annular peripheral portion 31a. It comprises a film body portion 31f extending in a bowl shape from the lower end portion 31e over the entire circumference.
  • the outer peripheral portion 31b of the peripheral edge portion 31a is formed with an annular protrusion 31g that protrudes radially outward from the outer peripheral portion 31b over the entire periphery, and the annular protrusion 31g contacts the inner peripheral portion 20b of the shell 20. Touch and seal the liquid.
  • the inner diameter side bladder 32 includes an annular peripheral portion 32a formed in a substantially U-shaped cross section, and a film body portion 32f extending in a bowl shape from the lower end portion 32e of the annular peripheral portion 32a over the entire circumference.
  • the peripheral edge 32a includes an upper end 32c that covers the entire upper end 31c of the peripheral edge 31a of the outer diameter side bladder 31, and an inner peripheral 32d that covers the entire inner periphery 31d of the peripheral edge 31a. And a lower end 32e that covers the lower end 31e of the peripheral edge 31a over the entire circumference.
  • a peripheral portion 32a having a substantially U-shaped cross section of the inner diameter side bladder 32 is disposed so as to be nested from the inner peripheral side of the peripheral portion 31a of the outer diameter side bladder 31 having a substantially rectangular cross section. Further, an annular protrusion 32g is formed on the outer peripheral portion of the upper end portion 32c of the peripheral edge portion 32a of the inner diameter side bladder 32 and formed radially outward along the entire periphery of the upper end portion 32c. The portion 32g contacts the inner peripheral portion 20b of the shell 20 to seal the gas.
  • annular protrusion 32h that protrudes radially inward from the inner peripheral part 32d is formed on the inner peripheral part 32d of the peripheral edge part 32a of the inner diameter side bladder 32, and the annular protrusion 32h. Is pressed and held by the inner peripheral portion 20b of the shell 20 and a holder 40, which will be described later, so that the peripheral portion 31a of the outer diameter side bladder 31 and the peripheral portion 32a of the inner diameter side bladder 32 are compressed in the radial direction, resulting in large tightening. The cost can be secured and the sealing performance can be improved.
  • a holder 40 that presses and holds from the inner diameter side of the peripheral portion 30 a toward the inner peripheral portion 20 b of the shell 20 is arranged on the peripheral portion 30 a of the bladder 30.
  • the holder 40 is formed in a substantially L-shaped cross section, and includes an annular flange portion 40a extending in the radial direction and an annular extending portion 40b extending in the axial direction from the inner diameter portion of the flange portion 40a.
  • the extended portion 40b of the holder 40 is formed to have a larger diameter than the inner peripheral portion 32d (see FIG.
  • the holder 40 is connected to the inner peripheral portion of the peripheral portion 30a of the bladder 30.
  • the peripheral portion 30a of the bladder 30 is compressed between the holder 40 and the inner peripheral portion 20b of the shell 20.
  • the annular protrusion 31g of the peripheral edge portion 31a of the outer diameter side bladder 31 and the annular protrusion 32g of the peripheral edge portion 32a of the inner diameter side bladder 32 are further compressed in the radial direction, ensuring a large fastening allowance and improving the sealing performance. be able to.
  • annular protrusion 31g of the outer diameter side bladder 31 tightly adheres to the inner peripheral portion 20b of the shell 20 to seal the liquid, and the annular protrusion 32h of the inner diameter side bladder 32 also closely adheres to the inner peripheral portion 20b of the shell 20.
  • the gas and the gas are sealed, so that the liquid and the gas can be kept sealed without entering between the annular protrusion 31g and the annular protrusion 32g.
  • the annular protrusion 32 h is connected to the inner periphery 20 b of the holder 40 and the shell 20. , An even greater compressive force is generated at the peripheral edge 30a of the bladder 30, and the annular protrusion 31g of the outer diameter side bladder 31 and the annular protrusion 32g of the inner diameter side bladder 32 become the inner periphery of the shell 20. Further tighter contact with the portion 20b can further improve the sealing performance.
  • the accumulator 50 includes a shell 60, a bladder 70 that is disposed on the inner peripheral portion 60 b of the shell 60, and divides the internal space of the shell into a gas chamber G and a liquid chamber R, and one end.
  • a gas port 61 (a holder of the present invention) which has an opening for drawing gas and presses and holds the peripheral portion 70a of the bladder 70 from the inner diameter side facing the inner peripheral portion 60b of the shell 60; And a plug 62 for preventing the shaft from coming off in the axial direction.
  • the shell 60 is made of metal and is formed of a bottomed cylindrical member having an open upper end and an empty space inside.
  • a hole 60 a is formed at the bottom of the shell 60 to form a liquid. Ports are connected in a sealed manner.
  • a female screw portion 63 is formed on the inner peripheral surface of the upper end portion of the shell 60, and a plug 62 having a male screw portion is screwed into the female screw portion 63 to support the gas port 61.
  • the bladder 70 is a flexible, bottomed cylindrical film body in a natural state, and is opposed to the inner peripheral portion 60 b of the shell 60 in the natural state.
  • the outer diameter side bladder 71 and the inner diameter side bladder 72 disposed on the inner diameter side of the outer diameter side bladder 71 have a two-layer structure.
  • the outer diameter side bladder 71 is in contact with a liquid such as oil. It is made of a liquid-resistant material such as a rubber or a resin film having a high sealing property that is hardly deteriorated by the liquid.
  • the inner diameter side bladder 72 is made of a gas shielding material such as a rubber or a resin film that is hardly deteriorated by gas and does not transmit gas and has high shielding properties.
  • the peripheral portion 70 a of the bladder 70 includes a peripheral portion 71 a of the outer diameter side bladder 71 and a peripheral portion 72 a of the inner diameter side bladder 72, and the peripheral portion 71 a of the outer diameter side bladder 71 is the inner peripheral portion 60 b of the shell 60.
  • the peripheral portion 72a of the inner diameter side bladder 72 is in contact with the inner peripheral portion of the outer diameter side bladder 71, and the empty chamber is filled with a gas chamber G filled with gas and a liquid chamber R filled with a liquid such as oil. Are sealed in a sealed manner.
  • the outer diameter side bladder 71 has an annular peripheral part 71b, 71c formed with a thick wall with a substantially rectangular cross section, an annular part 71d connecting the peripheral part 71b, 71c, and the entire periphery from the lower end of the peripheral part 71c. It consists of a bottomed cylindrical portion 71f extending over.
  • annular protrusions 71g and 71e are formed on the outer peripheral portions of the peripheral portions 71b and 71c, respectively, projecting radially outward along the entire periphery, and further, on the inner peripheral portions of the peripheral portions 71b and 71c.
  • the annular protrusions 71h and 71j are formed to protrude radially inward over the entire circumference.
  • the peripheral portions 71 b and 71 c are compressed between the gas port 61 and the inner peripheral portion 60 b of the shell 60, and the peripheral portions 71 b and 71 c of the outer diameter side bladder 71 are compressed in the gas port 61 and the inner peripheral portion 60 b of the shell 60. Closely sealed.
  • the annular protrusions 71g and 71e formed on the outer peripheral parts of the peripheral parts 71b and 71c and the annular protrusions 71h and 71j formed on the inner peripheral part are located between the gas port 61 and the inner peripheral part 60b of the shell 60. Therefore, the peripheral edge portions 71b and 71c of the outer diameter side bladder 71 can be more closely attached to the gas port 61 and the shell 60 to improve the sealing performance.
  • the inner diameter bladder 72 has an annular peripheral portion 72 b that is substantially rectangular in cross section and formed thick, and extends from the lower end portion of the peripheral portion 72 b over the entire periphery.
  • two annular protrusions 72g and 72e that protrude outward in the radial direction are formed over the entire periphery, and further, on the inner peripheral portion of the peripheral edge 72b. Is formed with a single annular protrusion 72h that protrudes radially inward over the entire circumference.
  • An inner peripheral portion of the inner peripheral side 72 b of the inner diameter side bladder 72 is pressed and held by a metal gas port 61, and an inner peripheral portion of the outer peripheral portion 72 b is caused by a surface pressure generated between the inner peripheral bladder 72 and the metal gas port 61. Sealed.
  • the outer peripheral part of the peripheral part 72b is sealed by a surface pressure generated between the peripheral part 72b made of rubber and the cylindrical part 71f of the outer diameter side bladder 71 made of rubber.
  • the surface pressure generated by the contact between the rubber and the rubber is lower than the surface pressure generated by the contact between the rubber and the metal. Therefore, the contact between the rubber peripheral portion 72b and the rubber cylindrical portion 71f. The sealing performance will be reduced.
  • annular protrusions 72g and 72e are provided on the outer peripheral portion of the peripheral edge portion 72b, and a single annular protrusion 72h is provided on the inner peripheral portion of the peripheral edge portion 72bc, and the annular protrusions 72g, 72e, 72h, and
  • annular convex portions 61 a, 61 b, 61 c are formed on the outer peripheral portion of the gas port 61, and the annular convex portions 61 a, 61 b, 61 c are formed on the outer diameter side bladder 71.
  • the peripheral portion 30 a of the bladder 30 is provided with the annular protrusion 31 g on the outer diameter side and the annular protrusion 32 h on the inner diameter side, but faces the annular protrusion 32 h of the inner diameter side bladder 32.
  • An annular protrusion may be further provided on the outer diameter side of the position, and the peripheral portion 30a of the bladder 30 may be further compressed in the radial direction to provide a large tightening allowance to improve the sealing performance.
  • the annular protrusion to be further provided may be provided on one of the outer diameter side bladder 31 and the inner diameter side bladder 32, or may be provided on both.
  • the outer peripheral side bladder and the outer peripheral portion of the inner diameter side bladder are sealed by the surface pressure generated between them.
  • the peripheral portion of the inner diameter side bladder may be bonded with an adhesive or the like, and surface pressure and bonding may be used in combination.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

La présente invention concerne un accumulateur ayant une excellente capacité d'étanchéité au niveau de la jonction entre des vessies. L'invention concerne un accumulateur (10) dans lequel l'espace intérieur d'une coque (20) est divisé en une chambre à gaz (G) et une chambre de liquide (R) en disposant des vessies (30) sur le côté interne de la coque (20), l'accumulateur comprenant : une vessie côté diamètre externe (31) comprenant une partie de bord circonférentielle (31a) disposée sur la partie circonférentielle interne (20b) de la coque (20) ; une vessie côté diamètre interne (32) comprenant une partie de bord circonférentielle (32a) disposée sur le côté interne de la vessie côté diamètre externe (31) et formée de façon à faire saillie vers le côté de diamètre interne ; et un support (40) qui maintient la partie de bord circonférentielle (31a) de la vessie côté diamètre externe (31) et la partie de bord circonférentielle (32a) de la vessie côté diamètre interne (32) depuis le côté de diamètre interne de façon à s'opposer à la partie circonférentielle interne (20b) de la coque (20). La partie de bord circonférentielle (31a) de la vessie côté diamètre externe (31) comprend une protubérance annulaire côté externe (31g) sur son côté de diamètre externe. La partie de bord circonférentielle (32a) de la vessie côté diamètre interne (32) comprend, sur son côté de diamètre interne, une protubérance annulaire côté interne (32h) qui s'appuie contre le support (40).
PCT/JP2017/003819 2016-02-15 2017-02-02 Accumulateur WO2017141718A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018500030A JP6860546B2 (ja) 2016-02-15 2017-02-02 アキュムレータ
EP17752981.5A EP3418583B1 (fr) 2016-02-15 2017-02-02 Accumulateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-026285 2016-02-15
JP2016026285 2016-02-15

Publications (1)

Publication Number Publication Date
WO2017141718A1 true WO2017141718A1 (fr) 2017-08-24

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ID=59625904

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Application Number Title Priority Date Filing Date
PCT/JP2017/003819 WO2017141718A1 (fr) 2016-02-15 2017-02-02 Accumulateur

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Country Link
EP (1) EP3418583B1 (fr)
JP (1) JP6860546B2 (fr)
WO (1) WO2017141718A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2583541B (en) * 2019-05-03 2023-05-10 Polar Tech Management Group Limited Accumulator arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48108210U (fr) * 1972-03-18 1973-12-14
JPH02128801U (fr) 1989-03-31 1990-10-24
JPH0484803U (fr) * 1990-11-29 1992-07-23
JPH04117901U (ja) * 1991-04-05 1992-10-22 エヌオーケー株式会社 アキユムレータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117873A (en) * 1990-10-22 1992-06-02 Honda Giken Kogyo Kabushiki Kaisha Bladder edge seal and holder for hydraulic fluid pressure accumulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48108210U (fr) * 1972-03-18 1973-12-14
JPH02128801U (fr) 1989-03-31 1990-10-24
JPH0484803U (fr) * 1990-11-29 1992-07-23
JPH04117901U (ja) * 1991-04-05 1992-10-22 エヌオーケー株式会社 アキユムレータ

Also Published As

Publication number Publication date
JPWO2017141718A1 (ja) 2018-12-06
JP6860546B2 (ja) 2021-04-14
EP3418583A4 (fr) 2019-08-28
EP3418583B1 (fr) 2021-08-04
EP3418583A1 (fr) 2018-12-26

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