DE3167038D1 - Pilot-controlled pressure relief valve assembly - Google Patents

Pilot-controlled pressure relief valve assembly

Info

Publication number
DE3167038D1
DE3167038D1 DE8181301826T DE3167038T DE3167038D1 DE 3167038 D1 DE3167038 D1 DE 3167038D1 DE 8181301826 T DE8181301826 T DE 8181301826T DE 3167038 T DE3167038 T DE 3167038T DE 3167038 D1 DE3167038 D1 DE 3167038D1
Authority
DE
Germany
Prior art keywords
pilot
valve assembly
relief valve
pressure relief
controlled pressure
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
DE8181301826T
Other languages
English (en)
Inventor
Frederick G Grawunde
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 Power Solutions Holding ApS
Original Assignee
Fluid Controls 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 Fluid Controls Inc filed Critical Fluid Controls Inc
Application granted granted Critical
Publication of DE3167038D1 publication Critical patent/DE3167038D1/de
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
    • F16K17/10—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 with auxiliary valve for fluid operation of the main valve
    • 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
    • F15B21/047—Preventing foaming, churning or cavitation
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Safety Valves (AREA)
DE8181301826T 1980-05-02 1981-04-24 Pilot-controlled pressure relief valve assembly Expired DE3167038D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/146,106 US4336826A (en) 1980-05-02 1980-05-02 Control valve

Publications (1)

Publication Number Publication Date
DE3167038D1 true DE3167038D1 (en) 1984-12-13

Family

ID=22515874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181301826T Expired DE3167038D1 (en) 1980-05-02 1981-04-24 Pilot-controlled pressure relief valve assembly

Country Status (3)

Country Link
US (1) US4336826A (de)
EP (1) EP0039559B1 (de)
DE (1) DE3167038D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596375A (en) * 1981-08-13 1986-06-24 Vetco Offshore, Inc. Hydraulic control of subsea well equipment
US5255705A (en) * 1986-01-30 1993-10-26 Kabushiki Kaisha Komatsu Seisakusho Hydraulic pressure control system
US4836240A (en) * 1988-03-31 1989-06-06 Webster Electric Company, Inc. Pilot-assisted pressure relief valve
US5309936A (en) * 1993-04-30 1994-05-10 Dana Corporation Poppet configuration for counterbalance valve
JP3778634B2 (ja) * 1996-11-22 2006-05-24 Ｓｍｃ株式会社 パイロットチェック弁付スピードコントローラ
GB9923620D0 (en) 1999-10-07 1999-12-08 Normalair Garrett Ltd Hydraulic system for aircraft landing gear
DE10037793B4 (de) * 2000-08-03 2007-05-24 Hydraulik-Ring Gmbh Magnetventil, insbesondere Druckregelventil
FR2819875B1 (fr) * 2001-01-19 2003-12-05 Eisenmann France Sarl Vanne pneumatique a pointeau
DE10203632A1 (de) * 2002-01-30 2003-07-31 Bosch Rexroth Ag Druckventil
US6899113B2 (en) * 2002-08-16 2005-05-31 Eaton Corporation Pressure relief valve
DE102011108177B4 (de) * 2011-07-22 2013-03-21 Festo Ag & Co. Kg Ventilmodul
US9791058B2 (en) * 2012-10-23 2017-10-17 Hamilton Sundstrand Corporation High pressure relief valve closure
US9850919B2 (en) 2014-09-16 2017-12-26 Sun Hydraulics Corporation Counterbalance valve with dual or triple pilot ratio
US10428743B2 (en) * 2017-03-07 2019-10-01 Hamilton Sundstrand Corporation Drop-tight spool and sleeve for metering valve
US11035482B2 (en) * 2019-01-31 2021-06-15 Scott Dale Follett Pressure relief valve
DE102022101605B4 (de) * 2022-01-24 2024-05-16 Weber-Hydraulik Gmbh Einschraubventil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653626A (en) * 1946-09-14 1953-09-29 Vickers Inc Power transmission
US3665810A (en) * 1970-01-14 1972-05-30 Koehring Co Differential pressure holding valve
DE2062308B1 (de) * 1970-12-17 1972-05-04 Rauch C Spül-Ventilanordnung für umsteuerbare hydrostatische Getriebe
US3792715A (en) * 1973-03-26 1974-02-19 Koehring Co Single seat holding valve
US3924656A (en) * 1974-04-26 1975-12-09 Deere & Co Direction control valve having float mode
DE2609406A1 (de) * 1976-03-06 1977-09-15 Friedrich Wilhelm Rosteck Abdichtung an zylinderfoermigen einbauelementen
US4223693A (en) * 1978-07-27 1980-09-23 Modular Controls Corporation Counterbalance valve

Also Published As

Publication number Publication date
US4336826A (en) 1982-06-29
EP0039559B1 (de) 1984-11-07
EP0039559A1 (de) 1981-11-11

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: DANFOSS A/S, NORDBORG, DK

8328 Change in the person/name/address of the agent

Free format text: FLECK, H., DIPL.-ING. DR.-ING., PAT.-ANW., 7141 SCHWIEBERDINGEN

8327 Change in the person/name/address of the patent owner

Owner name: DANFOSS FLUID POWER A/S, NORDBORG, DK