BRPI0812539A2 - Conjunto acumulador, sistema de acumulador, e válvula de alívio de pressão - Google Patents

Conjunto acumulador, sistema de acumulador, e válvula de alívio de pressão

Info

Publication number
BRPI0812539A2
BRPI0812539A2 BRPI0812539A BRPI0812539A2 BR PI0812539 A2 BRPI0812539 A2 BR PI0812539A2 BR PI0812539 A BRPI0812539 A BR PI0812539A BR PI0812539 A2 BRPI0812539 A2 BR PI0812539A2
Authority
BR
Brazil
Prior art keywords
accumulator
relief valve
pressure relief
assembly
accumulator system
Prior art date
Application number
Other languages
English (en)
Inventor
James A O'brien
Ralph Hubbs
Gerald Roston
Original Assignee
Limo Reid Inc
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 Limo Reid Inc filed Critical Limo Reid Inc
Publication of BRPI0812539A2 publication Critical patent/BRPI0812539A2/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/04Accumulators
    • F15B1/08Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/24Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/08Prime-movers comprising combustion engines and mechanical or fluid energy storing means
    • B60K6/12Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/20Accumulator cushioning means
    • F15B2201/205Accumulator cushioning means using gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/30Accumulator separating means
    • F15B2201/31Accumulator separating means having rigid separating means, e.g. pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/30Accumulator separating means
    • F15B2201/32Accumulator separating means having multiple separating means, e.g. with an auxiliary piston sliding within a main piston, multiple membranes or combinations thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/40Constructional details of accumulators not otherwise provided for
    • F15B2201/405Housings
    • F15B2201/4056Housings characterised by the attachment of housing components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Safety Valves (AREA)
BRPI0812539 2007-06-14 2008-06-13 Conjunto acumulador, sistema de acumulador, e válvula de alívio de pressão BRPI0812539A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94393007P 2007-06-14 2007-06-14
PCT/US2008/066881 WO2008157327A1 (en) 2007-06-14 2008-06-13 Compact hydraulic accumulator

Publications (1)

Publication Number Publication Date
BRPI0812539A2 true BRPI0812539A2 (pt) 2015-02-10

Family

ID=40131212

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0812539 BRPI0812539A2 (pt) 2007-06-14 2008-06-13 Conjunto acumulador, sistema de acumulador, e válvula de alívio de pressão

Country Status (6)

Country Link
US (1) US7661442B2 (pt)
EP (1) EP2165081B1 (pt)
JP (1) JP2010530049A (pt)
CN (1) CN101779045A (pt)
BR (1) BRPI0812539A2 (pt)
WO (1) WO2008157327A1 (pt)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE530992C2 (sv) * 2006-03-10 2008-11-11 Haldex Traction Ab Ackumulator, hydraulsystem och allhjulskoppling
US8020587B2 (en) * 2007-06-11 2011-09-20 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Piston-in sleeve hydraulic pressure accumulator
EP2058527A3 (en) * 2007-11-08 2012-05-30 Parker-Hannifin Corporation Lightweight high pressure repairable piston composite accumulator with slip flange
US7984731B2 (en) * 2007-11-13 2011-07-26 Parker-Hannifin Corporation Lightweight high pressure repairable piston tie rod composite accumulator
US8359856B2 (en) 2008-04-09 2013-01-29 Sustainx Inc. Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery
US7958731B2 (en) 2009-01-20 2011-06-14 Sustainx, Inc. Systems and methods for combined thermal and compressed gas energy conversion systems
US7802426B2 (en) 2008-06-09 2010-09-28 Sustainx, Inc. System and method for rapid isothermal gas expansion and compression for energy storage
US8225606B2 (en) 2008-04-09 2012-07-24 Sustainx, Inc. Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression
US8037678B2 (en) 2009-09-11 2011-10-18 Sustainx, Inc. Energy storage and generation systems and methods using coupled cylinder assemblies
US8250863B2 (en) 2008-04-09 2012-08-28 Sustainx, Inc. Heat exchange with compressed gas in energy-storage systems
US8240140B2 (en) 2008-04-09 2012-08-14 Sustainx, Inc. High-efficiency energy-conversion based on fluid expansion and compression
US8479505B2 (en) 2008-04-09 2013-07-09 Sustainx, Inc. Systems and methods for reducing dead volume in compressed-gas energy storage systems
US8448433B2 (en) 2008-04-09 2013-05-28 Sustainx, Inc. Systems and methods for energy storage and recovery using gas expansion and compression
US8677744B2 (en) 2008-04-09 2014-03-25 SustaioX, Inc. Fluid circulation in energy storage and recovery systems
WO2009126784A2 (en) 2008-04-09 2009-10-15 Sustainx, Inc. Systems and methods for energy storage and recovery using compressed gas
US8474255B2 (en) 2008-04-09 2013-07-02 Sustainx, Inc. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange
US20100307156A1 (en) 2009-06-04 2010-12-09 Bollinger Benjamin R Systems and Methods for Improving Drivetrain Efficiency for Compressed Gas Energy Storage and Recovery Systems
WO2010105155A2 (en) 2009-03-12 2010-09-16 Sustainx, Inc. Systems and methods for improving drivetrain efficiency for compressed gas energy storage
CN102803743B (zh) 2009-04-06 2016-01-06 范德比尔特大学 高能量密度弹性储能器及其使用方法
DE102009016570A1 (de) 2009-04-06 2010-10-07 Robert Bosch Gmbh Kolbenspeicher
US8104274B2 (en) 2009-06-04 2012-01-31 Sustainx, Inc. Increased power in compressed-gas energy storage and recovery
DE102009032212A1 (de) * 2009-07-03 2011-01-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Hydraulischer Schwenkmotor
AU2010303729B2 (en) * 2009-10-05 2014-02-13 Robert Bosch Gmbh Energy storage system including an expandable accumulator and reservoir assembly
WO2011056855A1 (en) 2009-11-03 2011-05-12 Sustainx, Inc. Systems and methods for compressed-gas energy storage using coupled cylinder assemblies
DE102010001200A1 (de) * 2010-01-26 2011-07-28 Robert Bosch GmbH, 70469 Kobenspeicher
US8677742B2 (en) * 2010-03-16 2014-03-25 GM Global Technology Operations LLC Accumulator with solenoid valve
US8191362B2 (en) 2010-04-08 2012-06-05 Sustainx, Inc. Systems and methods for reducing dead volume in compressed-gas energy storage systems
US8171728B2 (en) 2010-04-08 2012-05-08 Sustainx, Inc. High-efficiency liquid heat exchange in compressed-gas energy storage systems
US8234863B2 (en) 2010-05-14 2012-08-07 Sustainx, Inc. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange
US8495872B2 (en) 2010-08-20 2013-07-30 Sustainx, Inc. Energy storage and recovery utilizing low-pressure thermal conditioning for heat exchange with high-pressure gas
KR101292866B1 (ko) * 2010-09-19 2013-08-02 박은태 유체배출장치
JP2013539845A (ja) * 2010-09-22 2013-10-28 リモ−ライド インコーポレイテッド 超軽量で小型のアキュムレータ
US8567444B2 (en) * 2010-10-08 2013-10-29 GM Global Technology Operations LLC Accumulator assembly
US8578708B2 (en) 2010-11-30 2013-11-12 Sustainx, Inc. Fluid-flow control in energy storage and recovery systems
FR2970527B1 (fr) * 2011-01-14 2014-12-19 Peugeot Citroen Automobiles Sa Systeme d'accumulation de pression hydraulique
US9080710B2 (en) * 2011-01-21 2015-07-14 Hamilton Sundstrand Corporation Accumulator reservoir venting
US8434524B2 (en) 2011-01-31 2013-05-07 Vanderbilt University Elastic hydraulic accumulator/reservoir system
CA2826350A1 (en) 2011-02-03 2012-08-09 Vanderbilt University Multiple accumulator systems and methods of use thereof
US8602063B2 (en) * 2011-02-08 2013-12-10 Hamilton Sundstrand Corporation Gas over liquid accumulator
CN102644628A (zh) * 2011-02-21 2012-08-22 袁正敏 配簧螺纹储能式油缸
US20120273076A1 (en) * 2011-04-28 2012-11-01 Robert Bosch Gmbh Compact hydraulic accumulator
WO2012158781A2 (en) 2011-05-17 2012-11-22 Sustainx, Inc. Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems
US20130091836A1 (en) 2011-10-14 2013-04-18 Sustainx, Inc. Dead-volume management in compressed-gas energy storage and recovery systems
US9249847B2 (en) 2011-12-16 2016-02-02 Vanderbilt University Distributed piston elastomeric accumulator
US9212670B2 (en) * 2012-02-08 2015-12-15 Gm Global Technology Operations, Llc Composite accumulator
US8701398B2 (en) 2012-03-20 2014-04-22 Robert Bosch Gmbh Strain energy accumulator
US9211872B2 (en) * 2012-11-14 2015-12-15 Gm Global Technology Operations, Llc Composite accumulator having metal insert
US20150078919A1 (en) * 2013-09-19 2015-03-19 Mag Aerospace Industries, Llc Pressure differential pumps
EP3055601B1 (en) * 2013-10-08 2020-03-04 Performance Pulsation Control, Inc. Composite pulsation dampener
DE102013020543B4 (de) * 2013-11-25 2015-07-23 Carl Freudenberg Kg Kolbenspeicher
EP2924231A1 (en) * 2014-03-28 2015-09-30 Siemens Aktiengesellschaft Pressure compensation system
US10101751B2 (en) 2015-06-26 2018-10-16 Ray Sonnenburg System and method of air pollution control for liquid vacuum trucks
US9435356B1 (en) 2015-07-13 2016-09-06 Steelhead Composites, Llc. Lightweight piston accumulator
CN204810800U (zh) * 2015-07-31 2015-11-25 讯凯国际股份有限公司 液体补充装置及液冷系统
US9964124B2 (en) * 2015-09-02 2018-05-08 Deere & Company Piston accumulator with integrated cylinder rod
US9670979B1 (en) 2016-05-13 2017-06-06 Liquidspring Technologies, Inc. Resilient expandable pressure vessel
DE102016208376A1 (de) * 2016-05-17 2017-11-23 Bayerische Motoren Werke Aktiengesellschaft Druckbehälter zur Speicherung von Brennstoff in einem Kraftfahrzeug
CN105805059B (zh) * 2016-05-22 2017-12-08 蚌埠智达科技咨询有限公司 一种双活塞式蓄能器
EP3343046A1 (en) * 2016-12-27 2018-07-04 Eaton SAS Accumulator
IT201700055381A1 (it) * 2017-05-22 2018-11-22 Zilmet S P A Vaso di espansione compatto
CN108105170A (zh) * 2017-12-31 2018-06-01 赵德朝 一种液压破碎锤专用的活塞式蓄能器
KR20210013159A (ko) 2018-05-25 2021-02-03 그라코 미네소타 인크. 공기압 서지 억제기
CN110296249B (zh) * 2019-06-14 2024-06-11 安徽红星阀门有限公司 复合空气阀
DE102019124968B3 (de) * 2019-09-17 2021-01-21 Audi Ag Gaskolbenspeicher
CN111963333B (zh) * 2020-09-18 2022-05-24 徐州工业职业技术学院 一种利用发动机尾气余热的蓄能器及节能系统
CA3218808A1 (en) * 2021-05-13 2022-11-17 Advanced Energy Storage, Llc Accumulator with reinforcing structure

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24223E (en) * 1956-09-25 Accumulator
US1841337A (en) * 1929-01-10 1932-01-12 Romec Corp Fluid relief valve
US1879020A (en) * 1929-05-29 1932-09-27 Landis Tool Co Automatic by-pass valve
US2011333A (en) * 1931-09-21 1935-08-13 James P Clifton Valve
US2005813A (en) * 1934-05-23 1935-06-25 Thorvald L Thorsen Pressure reducing valve
US2417873A (en) * 1944-05-12 1947-03-25 New York Air Brake Co Accumulator
US2703108A (en) * 1950-12-04 1955-03-01 Tommy J Mccuistion Accumulator
US2715419A (en) * 1952-07-11 1955-08-16 Superior Pipe Specialties Co Accumulator
US3084717A (en) * 1957-08-28 1963-04-09 Howard M Purcell Piston type accumulator with flexible cylinder wall
US2928417A (en) * 1958-01-03 1960-03-15 Advanced Design And Dev Compan Check valve
JPS5323922Y2 (pt) * 1971-12-30 1978-06-20
US3850195A (en) * 1973-04-30 1974-11-26 E Olsson Fluid pressure valve
US4187682A (en) * 1979-01-02 1980-02-12 The Boeing Company Constant pressure hydraulic accumulator
DK146455A (en) * 1981-05-06 1900-01-01 Method and plant for monitoring and detecting possible leak in a piping system
NO152382C (no) * 1983-06-06 1985-09-18 Myrens Verksted As Fluidumakkumulator
DE3334813A1 (de) * 1983-09-26 1985-04-11 Brown, Boveri & Cie Ag, 6800 Mannheim Hochdruckspeicher
IT1185613B (it) * 1985-05-30 1987-11-12 Magnaghi Cleodinamica Spa Accumulatore di pressione gas-olio con struttura in materiali compositi per circuiti idraulici di velivoli
JPH03157563A (ja) * 1989-11-15 1991-07-05 Aisin Aw Co Ltd 油圧サーボのアキュムレータ機構
US5018547A (en) * 1990-04-30 1991-05-28 Alcorn Arlo S Pressure actuated valve
JPH066701U (ja) * 1992-03-20 1994-01-28 エヌオーケー株式会社 アキュムレータ
US5771936A (en) * 1994-07-25 1998-06-30 Nok Corporation Accumulator, process and apparatus for making the same
US5507144A (en) * 1995-04-27 1996-04-16 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Lightweight, safe hydraulic power system and a method of operation thereof
WO2000031420A1 (de) * 1998-11-25 2000-06-02 Continental Teves Ag & Co. Ohg Druckmittelspeicher
US6068022A (en) * 1999-08-25 2000-05-30 Schrader-Bridgeport International, Inc. Jet pump with improved control valve and pressure relief valve therefore
JP2003529726A (ja) * 2000-04-04 2003-10-07 コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト 圧力媒体アキュムレータ
US6390133B1 (en) * 2000-05-17 2002-05-21 Robert Bosch Corporation Hydraulic accumulator vent and method for making the same
DE10057746A1 (de) * 2000-11-16 2002-06-06 Hydac Technology Gmbh Hydrospeicher
US6631734B2 (en) * 2001-05-22 2003-10-14 National Coupling Co., Inc. Dummy undersea hydraulic coupling member
US6619325B2 (en) * 2001-12-04 2003-09-16 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Hydraulic hybrid accumulator shut-off valve
US7097748B2 (en) * 2002-04-23 2006-08-29 University Of Massachusetts Electrolyzer pressure equalization system
DE10228701A1 (de) * 2002-06-27 2004-01-15 Hydac Technology Gmbh Hydrospeicher
US6834680B2 (en) * 2002-12-09 2004-12-28 Benton F. Baugh Method of purging liquids from piston accumulators
DE10310428A1 (de) * 2003-03-11 2004-09-30 Hydac Technology Gmbh Kolbenspeicher
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
US7356990B2 (en) * 2005-08-29 2008-04-15 Woodward Governor Company Electro hydraulic actuator with spring energized accumulators

Also Published As

Publication number Publication date
US7661442B2 (en) 2010-02-16
EP2165081B1 (en) 2015-02-18
US20080308168A1 (en) 2008-12-18
EP2165081A4 (en) 2012-09-05
JP2010530049A (ja) 2010-09-02
CN101779045A (zh) 2010-07-14
WO2008157327A1 (en) 2008-12-24
EP2165081A1 (en) 2010-03-24

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]