BRPI0819617A8 - Unidade de pistão - Google Patents

Unidade de pistão

Info

Publication number
BRPI0819617A8
BRPI0819617A8 BRPI0819617A BRPI0819617A BRPI0819617A8 BR PI0819617 A8 BRPI0819617 A8 BR PI0819617A8 BR PI0819617 A BRPI0819617 A BR PI0819617A BR PI0819617 A BRPI0819617 A BR PI0819617A BR PI0819617 A8 BRPI0819617 A8 BR PI0819617A8
Authority
BR
Brazil
Prior art keywords
piston
piston unit
fluid
cylinder
actuated
Prior art date
Application number
BRPI0819617A
Other languages
English (en)
Inventor
Meff Andrew
Original Assignee
Expro Ax S Tech Limited
Ax S Tech Ltd
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 Expro Ax S Tech Limited, Ax S Tech Ltd filed Critical Expro Ax S Tech Limited
Publication of BRPI0819617A2 publication Critical patent/BRPI0819617A2/pt
Publication of BRPI0819617A8 publication Critical patent/BRPI0819617A8/pt

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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

UNIDADE DE PISTÃO. Uma unidade de pistão (10) inclui um pistão acionado por fluido (14) montado dentro de um cilindro (12) e um mecanismo de trava acionado por fluido (16) montado dentro do cilindro (12) para travar seletivamente o pistão (14) em relação ao cilindro (12). Em um arranjo, o pistão (14) e o mecanismo de trava (16) são acionados por fluido fornecido via uma porta de fluido comum (48).
BRPI0819617A 2007-12-06 2008-12-01 Unidade de pistão BRPI0819617A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0723822.3A GB0723822D0 (en) 2007-12-06 2007-12-06 Piston assembly
PCT/GB2008/003977 WO2009071877A1 (en) 2007-12-06 2008-12-01 Piston assembly

Publications (2)

Publication Number Publication Date
BRPI0819617A2 BRPI0819617A2 (pt) 2015-05-05
BRPI0819617A8 true BRPI0819617A8 (pt) 2016-01-19

Family

ID=38983051

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0819617A BRPI0819617A8 (pt) 2007-12-06 2008-12-01 Unidade de pistão

Country Status (6)

Country Link
US (1) US20110168013A1 (pt)
EP (1) EP2217813A1 (pt)
BR (1) BRPI0819617A8 (pt)
CA (1) CA2705703A1 (pt)
GB (1) GB0723822D0 (pt)
WO (1) WO2009071877A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3978766B1 (en) * 2020-09-16 2024-04-03 Norgren GmbH Piston-cylinder assembly with locking unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3251278A (en) * 1964-12-16 1966-05-17 Robert H Royster Fluid pressure actuator with fluid pressure controlled locking means
DE1576097B2 (de) * 1965-04-24 1970-07-09 Hänchen, Siegfried, 7304 Ruit Mechanische Verriegelung für einen Hydrozylinder
US3614912A (en) * 1969-09-29 1971-10-26 Lionel Pacific Inc Telescoping piston central lock hydraulic actuator
AT302107B (de) * 1970-10-27 1972-10-10 Hoerbiger Ventilwerke Ag Pneumatischer oder hydraulischer Stellzylinder mit einer Einrichtung zur mechanischen Verriegelung seines Stellkolbens
US4248138A (en) * 1978-09-19 1981-02-03 Baker Cac, Inc. Fail safe locking mechanism for fluid operated valve actuator
SU994820A1 (ru) * 1981-07-15 1983-02-07 Предприятие П/Я А-7755 Пневмогидропривод поступательного двустороннего действи
DE3679765D1 (de) * 1985-10-23 1991-07-18 Klement Klaus D Druckmittelbetaetigte einrichtung.
JPH01141905U (pt) * 1988-03-23 1989-09-28
US5789719A (en) * 1991-05-02 1998-08-04 Milco Manufacturing Co. Method and apparatus for electrical resistance spot welding
DE29801444U1 (de) * 1998-01-29 1999-08-12 Fischer, Reinhard, 72348 Rosenfeld Endlagenverriegelter Arbeitszylinder
ITTO20020786A1 (it) * 2002-09-10 2004-03-11 Gerbi & Fase S P A Cilindro attuatore a doppia corsa, particolarmente per

Also Published As

Publication number Publication date
EP2217813A1 (en) 2010-08-18
GB0723822D0 (en) 2008-01-16
WO2009071877A1 (en) 2009-06-11
US20110168013A1 (en) 2011-07-14
CA2705703A1 (en) 2009-06-11
BRPI0819617A2 (pt) 2015-05-05

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Legal Events

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

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B25A Requested transfer of rights approved

Owner name: AX-S TECHNOLOGY LTD. (GB)

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

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.