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CA992434A - Cushioned hydraulic actuator - Google Patents

Cushioned hydraulic actuator

Info

Publication number
CA992434A
CA992434A CA184,930A CA184930A CA992434A CA 992434 A CA992434 A CA 992434A CA 184930 A CA184930 A CA 184930A CA 992434 A CA992434 A CA 992434A
Authority
CA
Canada
Prior art keywords
hydraulic actuator
cushioned
cushioned hydraulic
actuator
hydraulic
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
Application number
CA184,930A
Inventor
Herbert Z. Langland
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.)
Allis Chalmers Corp
Original Assignee
Allis Chalmers Corp
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 Allis Chalmers Corp filed Critical Allis Chalmers Corp
Application granted granted Critical
Publication of CA992434A publication Critical patent/CA992434A/en
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
    • F15B15/225—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke with valve stems operated by contact with the piston end face or with the cylinder wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87233—Biased exhaust valve
    • Y10T137/87241—Biased closed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
CA184,930A 1973-03-02 1973-11-02 Cushioned hydraulic actuator Expired CA992434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US337531A US3877344A (en) 1973-03-02 1973-03-02 Cushioned hydraulic actuator

Publications (1)

Publication Number Publication Date
CA992434A true CA992434A (en) 1976-07-06

Family

ID=23320907

Family Applications (1)

Application Number Title Priority Date Filing Date
CA184,930A Expired CA992434A (en) 1973-03-02 1973-11-02 Cushioned hydraulic actuator

Country Status (2)

Country Link
US (1) US3877344A (en)
CA (1) CA992434A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257314A (en) * 1977-03-30 1981-03-24 Deschner Richard E Apparatus for improved motion control
GB2049051B (en) * 1978-11-20 1982-12-15 Caterpillar Tractor Co Cushioning device for fluid jacks
US4250793A (en) * 1978-11-20 1981-02-17 Caterpillar Tractor Co. Cushioning device for fluid jacks
US4397218A (en) * 1980-12-23 1983-08-09 Allis-Chalmers Corporation Cushion stop for hydraulic cylinder
US4440068A (en) * 1981-03-19 1984-04-03 Pneumo Corporation Hydraulic cowl door actuator with anti-vibration loading device, and assembly employing same
US4597319A (en) * 1983-12-16 1986-07-01 United Technologies Corporation Fluid actuator slew rate control
IT1220997B (en) * 1984-09-25 1990-06-21 Fadini Meccanica DEVICE FOR THE END OF STROKE BRAKE OF HYDRAULIC JACKS, IN PARTICULAR FOR THE OPENING AND CLOSING OF GATES
US4676139A (en) * 1985-09-17 1987-06-30 Centrifugal Piston Expander, Inc. Valve mechanism for operating a piston within a cylinder
US5003729A (en) * 1988-10-11 1991-04-02 Ppg Industries, Inc. Support system for abrasive jet cutting
US4957167A (en) * 1989-04-14 1990-09-18 Halliburton Co. Retrievable fluid control valve with damping
EP0575867B1 (en) 1992-06-22 1997-02-05 Bayne Machine Works Inc. Bin hoist for lifting and tipping a bin
US5680913A (en) * 1996-11-22 1997-10-28 Caterpillar Inc. Snubber for a hydraulic motor
US6557456B2 (en) 2001-05-24 2003-05-06 The Raymond Corporation Cushioned actuator
CN104047924B (en) * 2014-07-08 2016-01-13 常州市新墅机床数控设备有限公司 The locking cylinder structure of end of travel buffering
EP3825557B1 (en) 2019-11-22 2024-08-07 Goodrich Actuation Systems SAS Hydraulic actuators

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039485A (en) * 1962-06-19 Fuel system pressure modulator
US1891312A (en) * 1932-01-21 1932-12-20 Perfection Steel Body Co Hydraulic hoist for dumping trucks
BE431384A (en) * 1937-11-30
US2338845A (en) * 1941-10-10 1944-01-11 Curtiss Wright Corp Hydraulic piston snubber
US2547861A (en) * 1949-10-26 1951-04-03 Deere Mfg Co Variable position control for hydraulic systems
US2783742A (en) * 1954-11-22 1957-03-05 Shafer Valve Co Automatic pressure reducing means for hydraulic gate valve operator
US2831933A (en) * 1956-03-02 1958-04-22 Westinghouse Electric Corp Circuit interrupters
US3054384A (en) * 1961-01-12 1962-09-18 Cessna Aircraft Co Piston velocity governor
US3162092A (en) * 1962-07-09 1964-12-22 Tomkins Johnson Company Cylinder cushion structure
US3309852A (en) * 1964-01-20 1967-03-21 Fawick Corp Hydraulic system and valve arrangement therein

Also Published As

Publication number Publication date
US3877344A (en) 1975-04-15

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