EP1251282A3 - Vehicle braking system with a gas hydraulic accumulator - Google Patents

Vehicle braking system with a gas hydraulic accumulator Download PDF

Info

Publication number
EP1251282A3
EP1251282A3 EP02016285A EP02016285A EP1251282A3 EP 1251282 A3 EP1251282 A3 EP 1251282A3 EP 02016285 A EP02016285 A EP 02016285A EP 02016285 A EP02016285 A EP 02016285A EP 1251282 A3 EP1251282 A3 EP 1251282A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic accumulator
gas hydraulic
braking system
vehicle braking
gas
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
EP02016285A
Other languages
German (de)
French (fr)
Other versions
EP1251282B1 (en
EP1251282A2 (en
Inventor
Kurt Mohr
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.)
Lucas Varity GmbH
Original Assignee
Lucas Varity 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 Lucas Varity GmbH filed Critical Lucas Varity GmbH
Publication of EP1251282A2 publication Critical patent/EP1251282A2/en
Publication of EP1251282A3 publication Critical patent/EP1251282A3/en
Application granted granted Critical
Publication of EP1251282B1 publication Critical patent/EP1251282B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F15B1/22—Liquid port constructions
    • 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
    • F15B1/103—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means the separating means being bellows
    • 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
    • F15B2201/312—Sealings therefor, e.g. piston rings
    • 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
    • F15B2201/3153—Accumulator separating means having flexible separating means the flexible separating means being bellows
    • 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
    • F15B2201/3158—Guides for the flexible separating means, e.g. for a collapsed bladder
    • 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
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/41—Liquid ports
    • F15B2201/411—Liquid ports having valve 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
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/415—Gas ports
    • 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
    • F15B2201/415—Gas ports
    • F15B2201/4155—Gas ports having valve means

Abstract

The system has a gas hydraulic accumulator (10) with a casing (12), which is divided by metal bellows (16) into gas (20) and fluid (22) chambers. A valve assembly (74) between the fluid chamber and a supply line (24) for the fluid chamber closes if the pressure in the supply line falls below a minimum value or exceeds a maximum value and opens if the pressure exceeds the minimum value and falls below the maximum value. An Independent claim is included for a gas hydraulic accumulator for use in the system.
EP02016285A 1999-11-11 2000-11-02 Vehicle braking system with a gas hydraulic accumulator Expired - Lifetime EP1251282B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19954326A DE19954326B4 (en) 1999-11-11 1999-11-11 Vehicle brake system with a gas pressure accumulator
DE19954326 1999-11-11
EP00981234A EP1228318B1 (en) 1999-11-11 2000-11-02 Vehicle braking system comprising a gas hydraulic accumulator

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP00981234.8 Division 2000-11-02
EP00981234A Division EP1228318B1 (en) 1999-11-11 2000-11-02 Vehicle braking system comprising a gas hydraulic accumulator

Publications (3)

Publication Number Publication Date
EP1251282A2 EP1251282A2 (en) 2002-10-23
EP1251282A3 true EP1251282A3 (en) 2003-07-02
EP1251282B1 EP1251282B1 (en) 2005-10-26

Family

ID=7928725

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00981234A Expired - Lifetime EP1228318B1 (en) 1999-11-11 2000-11-02 Vehicle braking system comprising a gas hydraulic accumulator
EP02016285A Expired - Lifetime EP1251282B1 (en) 1999-11-11 2000-11-02 Vehicle braking system with a gas hydraulic accumulator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00981234A Expired - Lifetime EP1228318B1 (en) 1999-11-11 2000-11-02 Vehicle braking system comprising a gas hydraulic accumulator

Country Status (8)

Country Link
US (2) US6616247B2 (en)
EP (2) EP1228318B1 (en)
JP (2) JP2003514202A (en)
AT (2) ATE307979T1 (en)
AU (1) AU1855301A (en)
DE (3) DE19954326B4 (en)
ES (2) ES2206332T3 (en)
WO (1) WO2001034984A2 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10060558A1 (en) * 2000-11-29 2002-06-13 Bosch Gmbh Robert Pressure reservoir for vehicle braking system has pressure medium chamber at least partly bounded by partly permeable material enabling gas to escape and preventing pressure medium from escaping
JP2002372001A (en) * 2001-06-12 2002-12-26 Aisin Seiki Co Ltd Accumulator
JP3844064B2 (en) 2002-03-25 2006-11-08 株式会社アドヴィックス Bellows hydraulic accumulator
EP1498615B1 (en) * 2002-04-19 2008-05-14 Advics Co., Ltd. Hydraulic accumulator
DE10253012A1 (en) * 2002-04-26 2003-11-06 Continental Teves Ag & Co Ohg Pressure accumulator has third chamber of constant volume filled with liquid and bounded by metal bellows and piston, and hydraulic connection exists between second and third chambers and has valve unit controlled by piston movement
JP3906915B2 (en) * 2002-07-15 2007-04-18 株式会社アドヴィックス Hydraulic circuit
JP3867648B2 (en) * 2002-09-19 2007-01-10 株式会社アドヴィックス Bellows hydraulic accumulator
DE10304288A1 (en) * 2002-10-24 2004-05-13 Continental Teves Ag & Co. Ohg Pressure medium accumulator has two shut-off components as toroidal seals in piston stem, whereby diameters of sealing lines of first and second shut-off components are the same
DE10249750B4 (en) * 2002-10-25 2014-11-06 Cummins Ltd. Compensation device for absorbing the volume expansion of media, in particular a urea-water solution, during freezing
DE10320373B4 (en) * 2003-05-07 2009-01-15 Lucas Automotive Gmbh Gas pressure accumulator for a vehicle brake system
DE10334763A1 (en) * 2003-07-30 2005-03-17 Lucas Automotive Gmbh Compressed air unit for a vehicle braking system comprises a housing, a plunger guided in the housing, and a counter pressure source consisting of a deformable spring element
DE10352406B4 (en) * 2003-11-10 2013-09-26 Volkswagen Ag Accumulator and brake system with such
DE102004016141B4 (en) * 2004-04-01 2006-11-30 Lucas Automotive Gmbh Energy unit for a hydraulically redundant electro-hydraulic brake system
JP4272604B2 (en) * 2004-08-23 2009-06-03 日本発條株式会社 Pressure vessel and pressure accumulator / buffer
DE102008010326A1 (en) * 2008-02-21 2009-08-27 Trw Automotive Gmbh Pressure reservoir for closed hydraulic circuit for e.g. ventilating, electro hydraulic servo steering system, has partition wall for separating upper area from lower area, where wall is relocatable from outside to release refilling opening
JP5474333B2 (en) * 2008-11-05 2014-04-16 イーグル工業株式会社 accumulator
DE102008061221A1 (en) * 2008-12-09 2010-06-10 Hydac Technology Gmbh Hydraulic accumulator, in particular bellows accumulator
CN107429712B (en) * 2015-05-29 2020-09-15 伊格尔工业股份有限公司 Metal bellows type pressure accumulator
CN108138803B (en) * 2015-10-22 2020-03-27 伊格尔工业股份有限公司 Energy accumulator
JP6803271B2 (en) * 2017-03-13 2020-12-23 日本発條株式会社 accumulator
JP6975085B2 (en) * 2018-03-29 2021-12-01 日本発條株式会社 The outer shell member of the accumulator and its manufacturing method, and the accumulator and its manufacturing method.
CN112112845B (en) * 2020-10-10 2022-06-28 浙江奥莱尔液压有限公司 Capsule energy storage device
CN112303041B (en) * 2020-10-30 2023-03-10 杰锋汽车动力系统股份有限公司 Bellows accumulator structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731037A (en) * 1950-09-23 1956-01-17 Chicago Metal Hose Corp Hydraulic accumulators
DE1232418B (en) * 1964-11-20 1967-01-12 Langen & Co Cylindrical pressure accumulator
US3939872A (en) * 1973-10-17 1976-02-24 Borg-Warner Corporation Pressure transfer unit
DE3901261A1 (en) * 1989-01-18 1990-07-19 Bosch Gmbh Robert Pressure vessel, in particular an accumulator
JPH08121401A (en) * 1994-10-21 1996-05-14 Nok Corp Accumulator
JP2000249101A (en) * 1999-02-26 2000-09-12 Nhk Spring Co Ltd Accumulator device using diaphragm bellows

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653729A (en) * 1969-12-19 1972-04-04 Westinghouse Air Brake Co Electrically controlled hydraulic valve of self-lapping type
JPS5239482B2 (en) * 1973-03-17 1977-10-05
JP2575439B2 (en) 1988-01-19 1997-01-22 日本発条株式会社 accumulator
JPH02266101A (en) 1989-04-05 1990-10-30 Nhk Spring Co Ltd Accumulator
JPH0540321Y2 (en) * 1989-09-05 1993-10-13
DE3940177C2 (en) * 1989-12-05 1999-03-18 Teves Gmbh Alfred Slip-controlled hydraulic vehicle brake system
JP2602364Y2 (en) * 1992-05-12 2000-01-11 日本発条株式会社 Accumulator device
US6076558A (en) * 1996-05-30 2000-06-20 Lucas Industries Public Limited Company Electronically controllable vehicle braking system for a motor vehicle
DE19706427A1 (en) * 1997-02-19 1998-08-20 Itt Mfg Enterprises Inc Pressure fluid accumulator
JPH11315802A (en) * 1998-05-08 1999-11-16 Eagle Ind Co Ltd Accumulator
DE19833410B4 (en) * 1998-07-24 2005-02-10 Lucas Industries Public Limited Company, Solihull Hydraulic drive unit for a motor vehicle brake system
DE19924807A1 (en) * 1999-05-29 2000-12-07 Hydac Technology Gmbh Hydropneumatic pressure accumulator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731037A (en) * 1950-09-23 1956-01-17 Chicago Metal Hose Corp Hydraulic accumulators
DE1232418B (en) * 1964-11-20 1967-01-12 Langen & Co Cylindrical pressure accumulator
US3939872A (en) * 1973-10-17 1976-02-24 Borg-Warner Corporation Pressure transfer unit
DE3901261A1 (en) * 1989-01-18 1990-07-19 Bosch Gmbh Robert Pressure vessel, in particular an accumulator
JPH08121401A (en) * 1994-10-21 1996-05-14 Nok Corp Accumulator
JP2000249101A (en) * 1999-02-26 2000-09-12 Nhk Spring Co Ltd Accumulator device using diaphragm bellows

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09 30 September 1996 (1996-09-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *

Also Published As

Publication number Publication date
DE19954326B4 (en) 2006-06-29
EP1228318B1 (en) 2003-09-03
EP1228318A2 (en) 2002-08-07
ATE307979T1 (en) 2005-11-15
AU1855301A (en) 2001-06-06
US20030038532A1 (en) 2003-02-27
DE19954326A1 (en) 2001-05-23
WO2001034984A3 (en) 2001-10-18
ATE248994T1 (en) 2003-09-15
WO2001034984A2 (en) 2001-05-17
ES2206332T3 (en) 2004-05-16
DE50003583D1 (en) 2003-10-09
US20020180260A1 (en) 2002-12-05
EP1251282B1 (en) 2005-10-26
ES2250552T3 (en) 2006-04-16
US6616247B2 (en) 2003-09-09
US6666529B2 (en) 2003-12-23
JP2003514202A (en) 2003-04-15
DE50011469D1 (en) 2005-12-01
JP2003175819A (en) 2003-06-24
EP1251282A2 (en) 2002-10-23

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