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GB964309A - Low level oil control for hydraulic lifts - Google Patents

Low level oil control for hydraulic lifts

Info

Publication number
GB964309A
GB964309A GB7983/63A GB798363A GB964309A GB 964309 A GB964309 A GB 964309A GB 7983/63 A GB7983/63 A GB 7983/63A GB 798363 A GB798363 A GB 798363A GB 964309 A GB964309 A GB 964309A
Authority
GB
United Kingdom
Prior art keywords
piston
sleeve
oil
base
cylinder
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
GB7983/63A
Other languages
English (en)
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.)
Joyce Cridland Co
Original Assignee
Joyce Cridland 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 Joyce Cridland Co filed Critical Joyce Cridland Co
Publication of GB964309A publication Critical patent/GB964309A/en
Expired 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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/18—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by a single central jack
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/004—Fluid pressure supply failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Damping Devices (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
GB7983/63A 1962-05-07 1963-02-28 Low level oil control for hydraulic lifts Expired GB964309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US192911A US3179014A (en) 1962-05-07 1962-05-07 Low oil level control device for hydraulic lifts

Publications (1)

Publication Number Publication Date
GB964309A true GB964309A (en) 1964-07-22

Family

ID=22711523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7983/63A Expired GB964309A (en) 1962-05-07 1963-02-28 Low level oil control for hydraulic lifts

Country Status (3)

Country Link
US (1) US3179014A (de)
DE (2) DE1220574B (de)
GB (1) GB964309A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2642467A1 (de) * 1976-09-21 1978-03-23 Hoernstein Baerbel Anordnung eines pumpenaggregates in einem hydraulischen hubzylinder
CN112901600A (zh) * 2021-01-26 2021-06-04 中车青岛四方机车车辆股份有限公司 液压执行单元、车厢升降系统及轨道车辆

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435731A (en) * 1967-08-11 1969-04-01 Andrew T Browne Low liquid level control device
US3477343A (en) * 1968-01-02 1969-11-11 Curtis Mfg Co Lift mechanism

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US523242A (en) * 1894-07-17 Automatic stop device for hydraulic elevators
US2574096A (en) * 1943-12-13 1951-11-06 Chicago Pneumatic Tool Co Distributing valve
US2658523A (en) * 1948-10-11 1953-11-10 Frederick H Johnson Valve structure
US2637302A (en) * 1949-11-12 1953-05-05 Rotary Lift Company Low oil control
US2831465A (en) * 1955-03-02 1958-04-22 Bristol Company Pilot valve
US2970577A (en) * 1958-01-28 1961-02-07 Anderson Clayton & Co Hydraulic lift

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2642467A1 (de) * 1976-09-21 1978-03-23 Hoernstein Baerbel Anordnung eines pumpenaggregates in einem hydraulischen hubzylinder
CN112901600A (zh) * 2021-01-26 2021-06-04 中车青岛四方机车车辆股份有限公司 液压执行单元、车厢升降系统及轨道车辆

Also Published As

Publication number Publication date
DE1220983B (de) 1966-07-14
US3179014A (en) 1965-04-20
DE1220574B (de) 1966-07-07

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