EP2397701A3 - Piston accumulator - Google Patents

Piston accumulator Download PDF

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Publication number
EP2397701A3
EP2397701A3 EP20110001989 EP11001989A EP2397701A3 EP 2397701 A3 EP2397701 A3 EP 2397701A3 EP 20110001989 EP20110001989 EP 20110001989 EP 11001989 A EP11001989 A EP 11001989A EP 2397701 A3 EP2397701 A3 EP 2397701A3
Authority
EP
European Patent Office
Prior art keywords
piston
housing wall
housing
piston accumulator
pressure chamber
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.)
Granted
Application number
EP20110001989
Other languages
German (de)
French (fr)
Other versions
EP2397701A2 (en
EP2397701B1 (en
Inventor
Thorsten Hillesheim
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of EP2397701A2 publication Critical patent/EP2397701A2/en
Publication of EP2397701A3 publication Critical patent/EP2397701A3/en
Application granted granted Critical
Publication of EP2397701B1 publication Critical patent/EP2397701B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
    • 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
    • F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
    • 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
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/405—Housings
    • F15B2201/4053—Housings characterised by the material

Landscapes

  • 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)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

Ein Kolbenspeicher (1), umfassend ein Gehäuse (2) mit einer Druckkammer (3), welche von einer Gehäusewand (4) und einem Kolben (5) begrenzt ist, wobei der Kolben (5) relativ zum Gehäuse (2) beweglich ist, wobei das Volumen der Druckkammer (3) veränderbar ist und wobei der Kolben (5) längs der Gehäusewand (4) gleitend verschiebbar ist, ist im Hinblick auf die Aufgabe, einen Kolbenspeicher zu schaffen, dessen Kolben problemlos gefertigt und montiert werden kann, dadurch gekennzeichnet, dass dem Kolben (5) und/oder der Gehäusewand (4) eine Gleitschicht (6) derart zugeordnet ist, dass der Kolben (5) frei von Führungsringen (7) entlang der Gehäusewand (4) bewegbar ist.

Figure imgaf001
A piston accumulator (1) comprising a housing (2) with a pressure chamber (3) delimited by a housing wall (4) and a piston (5), the piston (5) being movable relative to the housing (2), wherein the volume of the pressure chamber (3) is variable and wherein the piston (5) along the housing wall (4) is slidably displaceable, is in view of the task of creating a piston accumulator whose piston can be easily manufactured and assembled, characterized in that a sliding layer (6) is assigned to the piston (5) and / or the housing wall (4) in such a way that the piston (5) is movable along the housing wall (4) free of guide rings (7).
Figure imgaf001
EP11001989.0A 2010-06-17 2011-03-10 Piston accumulator Active EP2397701B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010024126A DE102010024126A1 (en) 2010-06-17 2010-06-17 piston accumulators

Publications (3)

Publication Number Publication Date
EP2397701A2 EP2397701A2 (en) 2011-12-21
EP2397701A3 true EP2397701A3 (en) 2013-08-28
EP2397701B1 EP2397701B1 (en) 2015-10-14

Family

ID=44675011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11001989.0A Active EP2397701B1 (en) 2010-06-17 2011-03-10 Piston accumulator

Country Status (4)

Country Link
US (1) US20110308383A1 (en)
EP (1) EP2397701B1 (en)
CN (1) CN102287406B (en)
DE (1) DE102010024126A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012021841A1 (en) * 2012-10-26 2014-04-30 Hydac Technology Gmbh Separating device for fluid media
US20150184746A1 (en) * 2013-12-27 2015-07-02 Ming-Chang Shih Non-metallic and non-magnetic pneumatic actuator
DE102015214202A1 (en) 2015-07-28 2017-02-02 Volkswagen Aktiengesellschaft Piston accumulator for a hydraulic control system of a transmission of a motor vehicle
CN107120321A (en) * 2017-03-02 2017-09-01 成都捷冠科技有限公司 A kind of power saving energy accumulator
JP6702905B2 (en) * 2017-03-13 2020-06-03 日本発條株式会社 accumulator
CN107013510A (en) * 2017-04-27 2017-08-04 江苏创精锻有限公司 A kind of vapour Vehicle Accumulator
CN109340370A (en) * 2018-12-18 2019-02-15 安徽聚力石油钻采设备科技有限公司 A kind of full composite material piston
US10634170B1 (en) * 2019-08-30 2020-04-28 Seal Aftermarket Products, Llc Accumulator piston for use in vehicle transmission system
CN115163583A (en) * 2022-06-28 2022-10-11 杰锋汽车动力系统股份有限公司 Energy accumulator structure for improving sealing performance

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738339A (en) * 1985-03-08 1988-04-19 Tayco Developments, Inc. Energy absorber device with composite plastic casing having high strength inner cylinder
WO1999036186A1 (en) * 1998-01-15 1999-07-22 Presstek, Inc. Spinning disk evaporator
NL1017640C2 (en) * 2001-03-19 2002-09-20 Steon Holding B V Piston cylinder device, has plastic cylinder comprising thermoplastic inner mantle and thermoset outer mantle
DE202007013155U1 (en) * 2007-09-18 2007-12-13 GET Göltz-Emailtechnik GmbH Hydraulic cylinder and hydraulic piston with enamelled surface
EP2060797A2 (en) * 2007-11-13 2009-05-20 Parker-Hannifin Corporation Lightweight high pressure repairable piston tie rod composite accumulator
WO2009158613A1 (en) * 2008-06-26 2009-12-30 West Pharmaceutical Services, Inc. Method of coating polyxylylene onto flouropolymer surfaces and devices coated thereby
US20100077918A1 (en) * 2004-11-25 2010-04-01 Mark Metallwarenfabrik Gmbh Cylinder for high-pressure hydraulics

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044257A (en) * 1990-03-20 1991-09-03 Keystone International Holdings Corp. Rotary actuator and method for forming a rotary piston
DE4202905A1 (en) * 1992-02-01 1993-08-05 Bosch Gmbh Robert CYLINDERS, ESPECIALLY PRESSURE MEDIA FOR HYDRAULIC BRAKE SYSTEMS
DE19847341A1 (en) * 1998-10-14 2000-04-20 Gkn Sinter Metals Holding Gmbh Shock absorber piston has circumferential annular projections which carry a thermoplastic sealing collar
DE10049913A1 (en) * 1999-10-18 2001-04-19 Luk Lamellen & Kupplungsbau Master cylinder for a clutch or brake mechanism of a motor vehicle comprises an axially dispaceable piston and its sealing means which are rotated relative to one another when the cylinder is operated
US6318242B1 (en) * 1999-10-26 2001-11-20 Sauer-Danfoss Inc. Filled hydraulic piston and method of making the same
US20060091591A1 (en) * 2001-09-27 2006-05-04 Robertson Graeme K Suspension system
DE10245404A1 (en) * 2002-09-28 2004-04-08 Gkn Sinter Metals Gmbh Piston body for piston-cylinder-units, esp. shock absorber piston has sintered powder-metallurgic body with integrated projecting and support webs
JP4499572B2 (en) * 2002-12-13 2010-07-07 ルーク ファールツォイク・ヒドラウリク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト Axial piston machine
DE102004002266A1 (en) * 2004-01-16 2005-08-11 Hydac Technology Gmbh piston accumulators
US7108016B2 (en) * 2004-03-08 2006-09-19 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Lightweight low permeation piston-in-sleeve accumulator
US20080163751A1 (en) * 2007-01-09 2008-07-10 Vijay Subramanian Coated piston and coating method
EP2058527A3 (en) * 2007-11-08 2012-05-30 Parker-Hannifin Corporation Lightweight high pressure repairable piston composite accumulator with slip flange

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738339A (en) * 1985-03-08 1988-04-19 Tayco Developments, Inc. Energy absorber device with composite plastic casing having high strength inner cylinder
WO1999036186A1 (en) * 1998-01-15 1999-07-22 Presstek, Inc. Spinning disk evaporator
NL1017640C2 (en) * 2001-03-19 2002-09-20 Steon Holding B V Piston cylinder device, has plastic cylinder comprising thermoplastic inner mantle and thermoset outer mantle
US20100077918A1 (en) * 2004-11-25 2010-04-01 Mark Metallwarenfabrik Gmbh Cylinder for high-pressure hydraulics
DE202007013155U1 (en) * 2007-09-18 2007-12-13 GET Göltz-Emailtechnik GmbH Hydraulic cylinder and hydraulic piston with enamelled surface
EP2060797A2 (en) * 2007-11-13 2009-05-20 Parker-Hannifin Corporation Lightweight high pressure repairable piston tie rod composite accumulator
WO2009158613A1 (en) * 2008-06-26 2009-12-30 West Pharmaceutical Services, Inc. Method of coating polyxylylene onto flouropolymer surfaces and devices coated thereby

Also Published As

Publication number Publication date
EP2397701A2 (en) 2011-12-21
EP2397701B1 (en) 2015-10-14
DE102010024126A1 (en) 2011-12-22
CN102287406A (en) 2011-12-21
CN102287406B (en) 2015-10-28
US20110308383A1 (en) 2011-12-22

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