EP2288814B1 - Actionneur electrohydraulique a pompe integree dans le piston. - Google Patents

Actionneur electrohydraulique a pompe integree dans le piston. Download PDF

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Publication number
EP2288814B1
EP2288814B1 EP09766006A EP09766006A EP2288814B1 EP 2288814 B1 EP2288814 B1 EP 2288814B1 EP 09766006 A EP09766006 A EP 09766006A EP 09766006 A EP09766006 A EP 09766006A EP 2288814 B1 EP2288814 B1 EP 2288814B1
Authority
EP
European Patent Office
Prior art keywords
piston
actuator
pump
chambers
cavity
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.)
Active
Application number
EP09766006A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2288814A1 (fr
Inventor
Robert Kyle Schmidt
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.)
Safran Landing Systems SAS
Original Assignee
Messier Bugatti Dowty SA
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 Messier Bugatti Dowty SA filed Critical Messier Bugatti Dowty SA
Publication of EP2288814A1 publication Critical patent/EP2288814A1/fr
Application granted granted Critical
Publication of EP2288814B1 publication Critical patent/EP2288814B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1466—Hollow piston sliding over a stationary rod inside the cylinder
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/785—Compensation of the difference in flow rate in closed fluid circuits using differential actuators
EP09766006A 2008-06-17 2009-06-12 Actionneur electrohydraulique a pompe integree dans le piston. Active EP2288814B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0803370A FR2932539B1 (fr) 2008-06-17 2008-06-17 Actionneur electrohydraulique a pompe integree dans le piston
PCT/FR2009/000701 WO2009153444A1 (fr) 2008-06-17 2009-06-12 Actionneur electrohydraulique a pompe integree dans le piston.

Publications (2)

Publication Number Publication Date
EP2288814A1 EP2288814A1 (fr) 2011-03-02
EP2288814B1 true EP2288814B1 (fr) 2012-02-15

Family

ID=40225294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09766006A Active EP2288814B1 (fr) 2008-06-17 2009-06-12 Actionneur electrohydraulique a pompe integree dans le piston.

Country Status (12)

Country Link
US (1) US8863510B2 (ru)
EP (1) EP2288814B1 (ru)
JP (1) JP5421363B2 (ru)
CN (1) CN102066773B (ru)
AT (1) ATE545786T1 (ru)
BR (1) BRPI0914832A2 (ru)
CA (1) CA2728152C (ru)
ES (1) ES2382269T3 (ru)
FR (1) FR2932539B1 (ru)
IL (1) IL210008A0 (ru)
RU (1) RU2457369C1 (ru)
WO (1) WO2009153444A1 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5458119B2 (ja) * 2012-01-24 2014-04-02 株式会社ロブテックス アクチュエータ
JP5458120B2 (ja) * 2012-01-26 2014-04-02 株式会社ロブテックス アクチュエータ
CN102913510A (zh) * 2012-11-06 2013-02-06 昆山北极光电子科技有限公司 一种连体式液压直线驱动装置
CN103527548B (zh) * 2013-09-18 2016-08-31 三一汽车制造有限公司 混凝土泵送设备及泵送油缸
US9868624B2 (en) * 2014-03-03 2018-01-16 Xtreme Manufacturing, Llc Method and system for a hydraulic cylinder
DE102015203387A1 (de) * 2015-02-25 2016-08-25 Fev Gmbh Doppelt wirkender Kolben eines VCR-Motors
US10787247B2 (en) 2018-01-16 2020-09-29 Goodrich Corporation Hybrid actuator
EP3730806B1 (en) * 2019-04-24 2023-01-18 Piston Power s.r.o. Hydraulic actuator arrangement
CN113007172B (zh) * 2021-03-12 2022-04-12 燕山大学 一种集成柱塞马达式双动力液压缸

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631431A (en) * 1949-07-05 1953-03-17 Elmeg Electrohydraulic actuating device
US2918795A (en) * 1955-09-06 1959-12-29 Ramsey Corp Electro-hydraulic actuating cylinder
JPH0217204A (ja) * 1988-07-06 1990-01-22 Daiichi Denki Kk 駆動源一体型液圧シリンダ
FR2831226B1 (fr) * 2001-10-24 2005-09-23 Snecma Moteurs Actionneur electrohydraulique autonome
EP1797339A1 (de) * 2004-10-08 2007-06-20 Stabilus GmbH Linearantrieb
RU2289735C1 (ru) * 2005-04-28 2006-12-20 Общество с ограниченной ответственностью Научно-производственное предприятие "Подъемтранссервис" Электрогидравлический толкатель
FR2895482B1 (fr) * 2005-12-23 2008-10-24 Messier Bugatti Sa Actionneur telescopique a tige principale et tige auxiliaire et procede faisant application
RU55055U1 (ru) * 2005-12-30 2006-07-27 Закрытое акционерное общество "МОСГИДРОМАШ" Электрогидравлический толкатель
CN201059299Y (zh) * 2007-03-28 2008-05-14 焦作市起重控制电器厂 双推杆电力液压推动器

Also Published As

Publication number Publication date
FR2932539B1 (fr) 2010-07-30
FR2932539A1 (fr) 2009-12-18
ATE545786T1 (de) 2012-03-15
CN102066773A (zh) 2011-05-18
ES2382269T3 (es) 2012-06-06
EP2288814A1 (fr) 2011-03-02
BRPI0914832A2 (pt) 2015-10-27
US8863510B2 (en) 2014-10-21
IL210008A0 (en) 2011-02-28
JP2011524506A (ja) 2011-09-01
WO2009153444A1 (fr) 2009-12-23
CN102066773B (zh) 2013-11-13
CA2728152A1 (fr) 2009-12-23
US20110146262A1 (en) 2011-06-23
RU2457369C1 (ru) 2012-07-27
JP5421363B2 (ja) 2014-02-19
CA2728152C (fr) 2013-11-19

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