FR2492909A1 - Perfectionnements aux verins hydrauliques d'actionnement a commande programmee - Google Patents

Perfectionnements aux verins hydrauliques d'actionnement a commande programmee Download PDF

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Publication number
FR2492909A1
FR2492909A1 FR8023066A FR8023066A FR2492909A1 FR 2492909 A1 FR2492909 A1 FR 2492909A1 FR 8023066 A FR8023066 A FR 8023066A FR 8023066 A FR8023066 A FR 8023066A FR 2492909 A1 FR2492909 A1 FR 2492909A1
Authority
FR
France
Prior art keywords
piston
cam
cylinder
orifices
low pressure
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
FR8023066A
Other languages
English (en)
French (fr)
Other versions
FR2492909B3 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8023066A priority Critical patent/FR2492909A1/fr
Priority to DE8181401613T priority patent/DE3173730D1/de
Priority to EP81401613A priority patent/EP0051014B1/fr
Priority to AU76508/81A priority patent/AU543842B2/en
Priority to US06/312,695 priority patent/US4426912A/en
Priority to KR1019810004011A priority patent/KR830007421A/ko
Priority to YU02521/81A priority patent/YU252181A/xx
Priority to JP56169407A priority patent/JPS5798498A/ja
Publication of FR2492909A1 publication Critical patent/FR2492909A1/fr
Application granted granted Critical
Publication of FR2492909B3 publication Critical patent/FR2492909B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/16—Systems essentially having two or more interacting servomotors, e.g. multi-stage
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
FR8023066A 1980-10-23 1980-10-23 Perfectionnements aux verins hydrauliques d'actionnement a commande programmee Granted FR2492909A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR8023066A FR2492909A1 (fr) 1980-10-23 1980-10-23 Perfectionnements aux verins hydrauliques d'actionnement a commande programmee
DE8181401613T DE3173730D1 (en) 1980-10-23 1981-10-15 Device for continuously controlling the stroke of a piston of an actuator
EP81401613A EP0051014B1 (fr) 1980-10-23 1981-10-15 Dispositif de réglage en continu de la course du piston d'un vérin
AU76508/81A AU543842B2 (en) 1980-10-23 1981-10-16 Cam profile valve
US06/312,695 US4426912A (en) 1980-10-23 1981-10-19 Apparatus for the continuous adjustment of a jack piston stroke
KR1019810004011A KR830007421A (ko) 1980-10-23 1981-10-22 잭 피스톤 행정의 연속조정용 장치
YU02521/81A YU252181A (en) 1980-10-23 1981-10-22 Device for continuously regulating the stroke of a piston of a lifting machine
JP56169407A JPS5798498A (en) 1980-10-23 1981-10-22 Continuous regulator for piston stroke of jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8023066A FR2492909A1 (fr) 1980-10-23 1980-10-23 Perfectionnements aux verins hydrauliques d'actionnement a commande programmee

Publications (2)

Publication Number Publication Date
FR2492909A1 true FR2492909A1 (fr) 1982-04-30
FR2492909B3 FR2492909B3 (enExample) 1983-09-16

Family

ID=9247427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023066A Granted FR2492909A1 (fr) 1980-10-23 1980-10-23 Perfectionnements aux verins hydrauliques d'actionnement a commande programmee

Country Status (8)

Country Link
US (1) US4426912A (enExample)
EP (1) EP0051014B1 (enExample)
JP (1) JPS5798498A (enExample)
KR (1) KR830007421A (enExample)
AU (1) AU543842B2 (enExample)
DE (1) DE3173730D1 (enExample)
FR (1) FR2492909A1 (enExample)
YU (1) YU252181A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1067293A3 (en) * 1999-07-09 2003-11-19 Parker Hannifin Corporation Electro-hydraulic actuator and method for controlling actuator position
US6995585B2 (en) 2003-08-05 2006-02-07 International Business Machines Corporation System and method for implementing self-timed decoded data paths in integrated circuits
US20160333901A1 (en) * 2015-05-15 2016-11-17 Triumph Engine Control Systems, Llc Fail fixed actuator
CN112830412B (zh) * 2020-12-31 2022-04-05 上海同力建设机器人有限公司 半自动快速换手升降装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR464891A (fr) * 1912-11-27 1914-04-02 Octave Brotelle Tampon en feutre antiseptisé muni de bandes emplastiques, servant de bandage herniaire
US2898890A (en) * 1957-07-16 1959-08-11 Ibm Motion transmitting device
US2970570A (en) 1959-03-23 1961-02-07 L A B Corp Hydraulic vibrator
US3368457A (en) * 1964-08-19 1968-02-13 Chrysler Corp Hydraulic control arrangement
JPS5129440Y1 (enExample) 1970-12-26 1976-07-24

Also Published As

Publication number Publication date
FR2492909B3 (enExample) 1983-09-16
AU7650881A (en) 1982-04-29
KR830007421A (ko) 1983-10-21
US4426912A (en) 1984-01-24
YU252181A (en) 1984-02-29
EP0051014B1 (fr) 1986-02-05
EP0051014A1 (fr) 1982-05-05
JPS5798498A (en) 1982-06-18
AU543842B2 (en) 1985-05-02
DE3173730D1 (en) 1986-03-20

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Legal Events

Date Code Title Description
TP Transmission of property