FR2785338B1 - Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre - Google Patents

Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre

Info

Publication number
FR2785338B1
FR2785338B1 FR9813509A FR9813509A FR2785338B1 FR 2785338 B1 FR2785338 B1 FR 2785338B1 FR 9813509 A FR9813509 A FR 9813509A FR 9813509 A FR9813509 A FR 9813509A FR 2785338 B1 FR2785338 B1 FR 2785338B1
Authority
FR
France
Prior art keywords
recalling
cylinder
neutral position
piston assembly
elastic device
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.)
Expired - Fee Related
Application number
FR9813509A
Other languages
English (en)
Other versions
FR2785338A1 (fr
Inventor
Lurdin Ludovic Assumel
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.)
ARO SA
Original Assignee
ARO 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 ARO SA filed Critical ARO SA
Priority to FR9813509A priority Critical patent/FR2785338B1/fr
Priority to US09/421,764 priority patent/US6283011B1/en
Priority to DE69915208T priority patent/DE69915208T2/de
Priority to AT99402644T priority patent/ATE261067T1/de
Priority to EP99402644A priority patent/EP0997647B1/fr
Priority to ES99402644T priority patent/ES2217707T3/es
Priority to JP11307068A priority patent/JP2000130584A/ja
Publication of FR2785338A1 publication Critical patent/FR2785338A1/fr
Application granted granted Critical
Publication of FR2785338B1 publication Critical patent/FR2785338B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F15B15/1438—Cylinder to end cap assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • F15B11/0365—Tandem 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
    • F15B11/123—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions by means of actuators with fluid-operated stops
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7055—Linear output members having more than two chambers
    • F15B2211/7056—Tandem cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Actuator (AREA)
  • Vehicle Body Suspensions (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Mechanical Control Devices (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
FR9813509A 1998-10-28 1998-10-28 Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre Expired - Fee Related FR2785338B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9813509A FR2785338B1 (fr) 1998-10-28 1998-10-28 Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre
US09/421,764 US6283011B1 (en) 1998-10-28 1999-10-19 Cylinder with an elastic device for returning a working piston unit to a neutral position
AT99402644T ATE261067T1 (de) 1998-10-28 1999-10-25 Betätigungsglied mit elastischem mittel, das ein kolbenaggregat zurück in die nulllage bringt
EP99402644A EP0997647B1 (fr) 1998-10-28 1999-10-25 Vérin à dispositif élastique de rappel d'un ensemble de piston de travail en position neutre
DE69915208T DE69915208T2 (de) 1998-10-28 1999-10-25 Betätigungsglied mit elastischem Mittel, das ein Kolbenaggregat zurück in die Nulllage bringt
ES99402644T ES2217707T3 (es) 1998-10-28 1999-10-25 Gato con dispositivo elactico de retorno de un conjunto de piston de trabajo en posicion neutra.
JP11307068A JP2000130584A (ja) 1998-10-28 1999-10-28 作動ピストンユニットを中立位置に戻すための弾性装置を備えたシリンダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9813509A FR2785338B1 (fr) 1998-10-28 1998-10-28 Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre

Publications (2)

Publication Number Publication Date
FR2785338A1 FR2785338A1 (fr) 2000-05-05
FR2785338B1 true FR2785338B1 (fr) 2001-08-10

Family

ID=9532084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9813509A Expired - Fee Related FR2785338B1 (fr) 1998-10-28 1998-10-28 Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre

Country Status (7)

Country Link
US (1) US6283011B1 (fr)
EP (1) EP0997647B1 (fr)
JP (1) JP2000130584A (fr)
AT (1) ATE261067T1 (fr)
DE (1) DE69915208T2 (fr)
ES (1) ES2217707T3 (fr)
FR (1) FR2785338B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6612215B2 (en) * 2000-06-09 2003-09-02 Max Co., Ltd. Cutting machine
ES2275461T3 (es) * 2000-06-14 2007-06-16 Hans Oetiker Ag Maschinen- Und Apparatefabrik Tenazas de precision neumaticos.
JP2004353134A (ja) 2003-05-30 2004-12-16 Murata Mach Ltd 幅広ヤーンによるブレイディング組成基材及びその製造方法
US9003953B2 (en) * 2011-09-14 2015-04-14 Schlumberger Technology Corporation Lockable hydraulic actuator
JP5757976B2 (ja) * 2013-06-12 2015-08-05 株式会社コガネイ 流体圧シリンダ
US9803660B1 (en) * 2014-02-04 2017-10-31 Danfoss Power Solutions Inc. Low friction compact servo piston assembly
CN114829786B (zh) * 2019-12-05 2023-05-05 达德科公司 气缸
EP4259941A2 (fr) * 2020-12-08 2023-10-18 V.S.E. Vehicle Systems Engineering B.V. Cylindre et ses procédés de fonctionnement

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US380375A (en) * 1888-04-03 willans
US1786474A (en) * 1928-08-15 1930-12-30 New York Air Brake Co Pump-regulating valve
US2092580A (en) * 1935-11-16 1937-09-07 Yellow Truck And Coach Mfg Com Gear shift damper
FR2112065B1 (fr) 1970-09-08 1974-04-26 Gournelle Paul
US3672402A (en) * 1970-09-14 1972-06-27 Eaton Yale & Towne Automatic precharge adjuster
US3752161A (en) * 1971-08-02 1973-08-14 Minnesota Mining & Mfg Fluid operated surgical tool
US4226167A (en) * 1978-05-17 1980-10-07 Lew Yon S Air-spring return air cylinder
US5125326A (en) * 1991-01-29 1992-06-30 Rockwell International Corporation Three position actuator having a neutral normal position for shifting a two speed transfer case
DE4108220C2 (de) * 1991-03-14 2003-04-17 Festo Ag & Co Kolben-Zylinder-Anordnung
FR2721359B1 (fr) * 1994-06-15 1996-09-13 Libervit Procédé et dispositif de commande et d'alimentation de vérin de manÓoeuvre d'outils hydrauliques.
DE19511929C1 (de) 1995-03-31 1996-05-23 Weidtmann Wilhelm Kg Dreh- und/oder Kipp-Beschlag für Fenster, Türen od. dgl. mit einem zwischen dem Flügel und dem Rahmen angeordneten Flügelheber
FR2756863B1 (fr) 1996-12-06 1999-01-22 Ferco Int Usine Ferrures Dispositif de securite de type antifausse manoeuvre pour une ferrure de verrouillage d'un vantail
JP3959565B2 (ja) * 1997-12-16 2007-08-15 Ｓｍｃ株式会社 電磁パイロット式３位置切換弁

Also Published As

Publication number Publication date
US6283011B1 (en) 2001-09-04
FR2785338A1 (fr) 2000-05-05
ES2217707T3 (es) 2004-11-01
EP0997647B1 (fr) 2004-03-03
EP0997647A1 (fr) 2000-05-03
ATE261067T1 (de) 2004-03-15
DE69915208T2 (de) 2005-02-17
JP2000130584A (ja) 2000-05-12
DE69915208D1 (de) 2004-04-08

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FR2785338B1 (fr) Verin a dispositif elastique de rappel d'un ensemble de piston de travail en position neutre
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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060630