GB1393450A - Combined over-and-under pressure relief valves - Google Patents

Combined over-and-under pressure relief valves

Info

Publication number
GB1393450A
GB1393450A GB5300472A GB5300472A GB1393450A GB 1393450 A GB1393450 A GB 1393450A GB 5300472 A GB5300472 A GB 5300472A GB 5300472 A GB5300472 A GB 5300472A GB 1393450 A GB1393450 A GB 1393450A
Authority
GB
United Kingdom
Prior art keywords
duct
pressure fluid
fluid
double acting
pressure relief
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
GB5300472A
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Publication of GB1393450A publication Critical patent/GB1393450A/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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
GB5300472A 1971-11-16 1972-11-16 Combined over-and-under pressure relief valves Expired GB1393450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2156841A DE2156841C2 (de) 1971-11-16 1971-11-16 Ventilkombination fur Hydraulik anlagen

Publications (1)

Publication Number Publication Date
GB1393450A true GB1393450A (en) 1975-05-07

Family

ID=5825278

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5300472A Expired GB1393450A (en) 1971-11-16 1972-11-16 Combined over-and-under pressure relief valves

Country Status (11)

Country Link
JP (1) JPS5330174B2 (en:Method)
BE (1) BE791090A (en:Method)
CH (1) CH546894A (en:Method)
DD (1) DD101206A5 (en:Method)
DE (1) DE2156841C2 (en:Method)
DK (1) DK138667C (en:Method)
FR (1) FR2160454B1 (en:Method)
GB (1) GB1393450A (en:Method)
IT (1) IT975410B (en:Method)
NL (1) NL7215186A (en:Method)
SE (1) SE381718B (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885022A (zh) * 2017-03-15 2017-06-23 浙江美德机械有限公司 一种井口安全紧急截断装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896702A (en) * 1973-07-27 1975-07-29 Trw Inc Power steering gear with relief valve on power piston
JPS61609Y2 (en:Method) * 1976-03-18 1986-01-10
DE2934100C2 (de) * 1979-08-23 1983-11-24 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydrostatische Hilfskraftlenkung
DE3246137C2 (de) * 1982-12-14 1985-02-14 Danfoss A/S, Nordborg Hydrostatische Lenkeinrichtung
DE3527371C2 (de) * 1985-07-31 1994-05-11 Teves Gmbh Alfred Druckbetätigtes Umschaltventil
RU2189461C1 (ru) * 2001-03-21 2002-09-20 Научно-исследовательский конструкторско-технологический институт тракторных и комбайновых двигателей Глушитель шума выпуска двигателя внутреннего сгорания
RU2256823C2 (ru) * 2003-09-22 2005-07-20 Открытое акционерное общество "Павловский машиностроительный завод ВОСХОД" - ОАО "ПМЗ ВОСХОД" Гидромеханический привод для систем управления летательных аппаратов
US6964163B2 (en) * 2003-11-10 2005-11-15 Sauer-Danfoss, Inc. Dual check-relief valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1994974A (en) * 1930-06-21 1935-03-19 Oilgear Co Differential resistance valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885022A (zh) * 2017-03-15 2017-06-23 浙江美德机械有限公司 一种井口安全紧急截断装置
CN106885022B (zh) * 2017-03-15 2023-01-10 浙江美德机械有限公司 一种井口安全紧急截断装置

Also Published As

Publication number Publication date
BE791090A (fr) 1973-03-01
IT975410B (it) 1974-07-20
DD101206A5 (en:Method) 1973-10-20
CH546894A (de) 1974-03-15
FR2160454B1 (en:Method) 1976-01-30
NL7215186A (en:Method) 1973-05-18
DE2156841A1 (en:Method) 1973-05-03
DE2156841C2 (de) 1973-11-15
DK138667B (da) 1978-10-09
DK138667C (da) 1979-03-12
JPS4863326A (en:Method) 1973-09-03
SE381718B (sv) 1975-12-15
FR2160454A1 (en:Method) 1973-06-29
JPS5330174B2 (en:Method) 1978-08-25
DE2156841B1 (de) 1973-05-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee