FR2042032A5 - - Google Patents

Info

Publication number
FR2042032A5
FR2042032A5 FR7002968A FR7002968A FR2042032A5 FR 2042032 A5 FR2042032 A5 FR 2042032A5 FR 7002968 A FR7002968 A FR 7002968A FR 7002968 A FR7002968 A FR 7002968A FR 2042032 A5 FR2042032 A5 FR 2042032A5
Authority
FR
France
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
Application number
FR7002968A
Other languages
French (fr)
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.)
Cessna Aircraft Co
Original Assignee
Cessna Aircraft Co
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 Cessna Aircraft Co filed Critical Cessna Aircraft Co
Application granted granted Critical
Publication of FR2042032A5 publication Critical patent/FR2042032A5/fr
Expired 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7002968A 1969-04-28 1970-01-28 Expired FR2042032A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81965569A 1969-04-28 1969-04-28

Publications (1)

Publication Number Publication Date
FR2042032A5 true FR2042032A5 (en) 1971-02-05

Family

ID=25228701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7002968A Expired FR2042032A5 (en) 1969-04-28 1970-01-28

Country Status (5)

Country Link
US (1) US3613503A (en)
DE (1) DE2020512A1 (en)
FR (1) FR2042032A5 (en)
GB (1) GB1311206A (en)
SE (1) SE353887B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785249A (en) * 1972-03-28 1974-01-15 J Piroska Power transmission system
SE463884B (en) * 1986-11-10 1991-02-04 Hydro Pneumatic Ab PNEUMATIC OR HYDRAULIC CYLINDER WITH BUILT-IN SPEED CONTROL
US5163351A (en) * 1991-07-30 1992-11-17 John Dominka Hydraulic lock cylinder
SE510839C2 (en) * 1996-04-01 1999-06-28 Safe Net I Harads Ab Pneumatic opening and closing device
US6070691A (en) * 1997-10-16 2000-06-06 Jerry E. Hansen Self-aligning hydraulic steering system
US20050220596A1 (en) * 2004-03-30 2005-10-06 Cnh America Llc Method and apparatus for hydraulically produced ground following of an unloading ramp for a cotton harvester
NL1031072C2 (en) * 2006-02-03 2007-08-06 Actuant Corp Hydraulic control device.
CN100467884C (en) * 2007-01-30 2009-03-11 江苏国力锻压机床有限公司 Oil cylinder of high speed and precision numerical control hydraulic machine without cylinder bottom
AT504592B1 (en) * 2007-05-24 2008-06-15 Hoerbiger Origa Holding Ag Piston-rod-less pneumatic cylinder, has stroke elements acted on damping duct, where ventilation duct to be opened by stroke elements, where stroke element connected to outlet duct
EP1998054B1 (en) 2007-05-24 2014-08-13 Parker Origa Holding AG Pneumatic cylinder with self-adjusting cushioning at the end of stroke and corresponding method
US8156960B2 (en) * 2009-03-27 2012-04-17 Caterpillar Inc. Servo pressure control valve
US9394923B2 (en) * 2012-09-07 2016-07-19 Lift Systems, Inc. Lift system with follower system
CN103939419A (en) * 2013-09-30 2014-07-23 湖北江山液压科技有限公司 Hydraulic cylinder constant throttling adjustable buffering device
CN105673615B (en) * 2016-03-02 2017-09-15 庆安集团有限公司 A kind of two ends have the pressurized strut of buffer unit
EP3792504B1 (en) 2019-09-12 2023-06-07 Ratier-Figeac SAS Hydraulic actuator end stroke stop pressure/load control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054384A (en) * 1961-01-12 1962-09-18 Cessna Aircraft Co Piston velocity governor
US3129720A (en) * 1961-04-07 1964-04-21 Fawick Corp Flow control valve
US3272085A (en) * 1963-11-19 1966-09-13 Parker Hannifin Corp Fluid system and valve assembly therefor
US3398650A (en) * 1966-02-04 1968-08-27 Moog Inc Apparatus for regulating fluid flow with respect to a hydraulic load
US3523490A (en) * 1968-03-28 1970-08-11 Caterpillar Tractor Co Anti-cavitation mechanism for fluid driven systems

Also Published As

Publication number Publication date
DE2020512A1 (en) 1970-11-26
GB1311206A (en) 1973-03-28
SE353887B (en) 1973-02-19
US3613503A (en) 1971-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse