CA1013232A - Hydraulic unloading valve - Google Patents

Hydraulic unloading valve

Info

Publication number
CA1013232A
CA1013232A CA181,872A CA181872A CA1013232A CA 1013232 A CA1013232 A CA 1013232A CA 181872 A CA181872 A CA 181872A CA 1013232 A CA1013232 A CA 1013232A
Authority
CA
Canada
Prior art keywords
unloading valve
hydraulic unloading
hydraulic
valve
unloading
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
CA181,872A
Inventor
Robert M. Dwyer
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.)
Massey Ferguson Inc
Original Assignee
Massey Ferguson Inc
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 Massey Ferguson Inc filed Critical Massey Ferguson Inc
Application granted granted Critical
Publication of CA1013232A publication Critical patent/CA1013232A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Forklifts And Lifting Vehicles (AREA)
CA181,872A 1972-10-10 1973-09-25 Hydraulic unloading valve Expired CA1013232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29641572A 1972-10-10 1972-10-10

Publications (1)

Publication Number Publication Date
CA1013232A true CA1013232A (en) 1977-07-05

Family

ID=23141911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,872A Expired CA1013232A (en) 1972-10-10 1973-09-25 Hydraulic unloading valve

Country Status (7)

Country Link
AR (1) AR198252A1 (en)
CA (1) CA1013232A (en)
DE (1) DE2350920A1 (en)
ES (1) ES419507A1 (en)
FR (1) FR2202250B1 (en)
GB (1) GB1440794A (en)
IT (1) IT993950B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249558A (en) * 1978-11-09 1981-02-10 Deere & Company Bypass valve
CN107202186B (en) * 2017-06-15 2023-03-03 中国人民解放军61489部队 Large-caliber high-speed inertial pressure relief valve with adjustable opening pressure and opening amount and method
CN108644452A (en) * 2018-07-20 2018-10-12 潍坊力创电子科技有限公司 Leading gas injection valve
CN110761994B (en) * 2019-12-03 2024-06-14 宁波捷尔天电气有限公司 Automatic plunger electromagnetic pump of adhesion is prevented to push type

Also Published As

Publication number Publication date
GB1440794A (en) 1976-06-23
IT993950B (en) 1975-09-30
FR2202250A1 (en) 1974-05-03
FR2202250B1 (en) 1980-08-22
AR198252A1 (en) 1974-06-07
ES419507A1 (en) 1976-04-01
DE2350920A1 (en) 1974-04-18

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