GB1209101A - Relief valve - Google Patents

Relief valve

Info

Publication number
GB1209101A
GB1209101A GB00163/68A GB1016368A GB1209101A GB 1209101 A GB1209101 A GB 1209101A GB 00163/68 A GB00163/68 A GB 00163/68A GB 1016368 A GB1016368 A GB 1016368A GB 1209101 A GB1209101 A GB 1209101A
Authority
GB
United Kingdom
Prior art keywords
spool
chamber
valve
outlet
housing
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
GB00163/68A
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of GB1209101A publication Critical patent/GB1209101A/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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

1,209,101. Valves. CATERPILLAR TRACTOR CO. 1 March, 1968 [15 May, 1967], No. 10163/68. Heading F2V. A relief valve comprises a housing 11 having an inlet 26 and an outlet 30 connected with a chamber 24, a valve seat 36 within the chamber, and a valve spool 56 mounted for reciprocation within the housing, the spool being biased by a spring 52 into contact with the seat and being opened by a predetermined fluid pressure in the chamber. The fluid pressure acts on a differential surface area A to displace the spool to the right against the spring 52 and force fluid past a check valve 70 into a bore 66 containing a piston 64. The latter forces fluid through a restriction 74 into the outlet 30 during the return movement of the spool to provide damping.
GB00163/68A 1967-05-15 1968-03-01 Relief valve Expired GB1209101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63835867A 1967-05-15 1967-05-15

Publications (1)

Publication Number Publication Date
GB1209101A true GB1209101A (en) 1970-10-21

Family

ID=24559712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB00163/68A Expired GB1209101A (en) 1967-05-15 1968-03-01 Relief valve

Country Status (6)

Country Link
JP (1) JPS4933978B1 (en)
BE (1) BE711114A (en)
DE (1) DE1675495A1 (en)
ES (1) ES349707A1 (en)
FR (1) FR1555399A (en)
GB (1) GB1209101A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134224A (en) * 1983-01-28 1984-08-08 Pfeiffer Vakuumtechnik Pressure relief valve
CN109027352A (en) * 2018-08-21 2018-12-18 合肥力威汽车油泵有限公司 Pressure actuated valve
CN112628426A (en) * 2020-12-24 2021-04-09 牡丹江石油工具有限责任公司 Check valve for petroleum and natural gas drilling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5352867U (en) * 1976-10-04 1978-05-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134224A (en) * 1983-01-28 1984-08-08 Pfeiffer Vakuumtechnik Pressure relief valve
CN109027352A (en) * 2018-08-21 2018-12-18 合肥力威汽车油泵有限公司 Pressure actuated valve
CN112628426A (en) * 2020-12-24 2021-04-09 牡丹江石油工具有限责任公司 Check valve for petroleum and natural gas drilling
CN112628426B (en) * 2020-12-24 2022-09-20 牡丹江石油工具有限责任公司 Check valve for petroleum and natural gas drilling

Also Published As

Publication number Publication date
FR1555399A (en) 1969-01-24
JPS4933978B1 (en) 1974-09-11
DE1675495A1 (en) 1970-12-23
ES349707A1 (en) 1969-04-01
BE711114A (en) 1968-07-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees