FR2000021A1 - - Google Patents

Info

Publication number
FR2000021A1
FR2000021A1 FR6900023A FR6900023A FR2000021A1 FR 2000021 A1 FR2000021 A1 FR 2000021A1 FR 6900023 A FR6900023 A FR 6900023A FR 6900023 A FR6900023 A FR 6900023A FR 2000021 A1 FR2000021 A1 FR 2000021A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6900023A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2000021A1 publication Critical patent/FR2000021A1/fr
Withdrawn legal-status Critical Current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
    • F16K17/0426—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 seat protecting means
    • 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
    • F16K17/0433—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 vibration preventing means
    • 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
    • F16K17/105—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 using choking or throttling means to control the fluid operation of the main valve
    • 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
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y10T137/7766—Choked passage through main valve head
    • 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]
    • Y10T137/785—With retarder or dashpot
    • Y10T137/7852—End of valve moves inside dashpot chamber
    • Y10T137/7853—Enlarged piston on end of valve stem

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
FR6900023A 1968-01-04 1969-01-03 Withdrawn FR2000021A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT670468 1968-01-04

Publications (1)

Publication Number Publication Date
FR2000021A1 true FR2000021A1 (fr) 1969-08-29

Family

ID=11121699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6900023A Withdrawn FR2000021A1 (fr) 1968-01-04 1969-01-03

Country Status (5)

Country Link
US (1) US3578019A (fr)
DE (1) DE1817143A1 (fr)
ES (1) ES362110A1 (fr)
FR (1) FR2000021A1 (fr)
NL (1) NL6900084A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325868A (en) * 1969-12-09 1973-08-08 Lucas Industries Ltd Relief valve
GB1352310A (en) * 1970-05-28 1974-05-08 Coles Cranes Ltd Hydraulic control valves
CH518476A (de) * 1970-06-16 1972-01-31 Turolla Marco Ing Dr Hilfsgesteuerte Sicherheitsventileinrichtung, insbesondere für Hydraulik- und Pneumatikanlagen
US3771555A (en) * 1972-08-09 1973-11-13 Sperry Rand Corp Power transmission
DE2745844A1 (de) * 1977-10-12 1979-04-19 Bosch Gmbh Robert Kraftstoffeinspritzanlage
FR2613020A1 (fr) * 1987-03-23 1988-09-30 Dresser Ind Soupape de surete ou surpression
JP3607339B2 (ja) * 1995-02-13 2005-01-05 甲南電機株式会社 過負荷防止装置
US6957660B2 (en) * 2003-03-06 2005-10-25 Eaton Corporation Pressure relief valve with bidirectional damping
CN100570186C (zh) * 2008-04-03 2009-12-16 浙江威腾阀门有限公司 离合座球阀
US8028712B2 (en) * 2008-05-08 2011-10-04 Tyco Valves & Controls Lp Diaphragm controlled bypass valve
US8066026B2 (en) * 2008-05-08 2011-11-29 Tyco Values & Controls LP Diaphragm controlled bypass valve
CN101737315B (zh) * 2008-11-21 2012-05-09 蔡应麟 消除隔膜泵出水管路震动的结构
EP2540334B1 (fr) * 2011-06-30 2014-10-15 Dräger Medical GmbH Système de respiration
CN103291241B (zh) * 2012-11-26 2016-03-09 中国石油天然气股份有限公司 气井远程高压开关井装置及控制方法
US11549525B2 (en) * 2020-01-24 2023-01-10 Husco International, Inc. Electronically adjustable pressure compensated flow control with pressure limiting relief valve

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US611053A (en) * 1898-09-20 cameron
US85006A (en) * 1868-12-15 Improvement in slow-closing valves for water-closets
US361771A (en) * 1887-04-26 William b
US2150266A (en) * 1936-03-14 1939-03-14 Logansport Machine Inc Fluid pressure device
US2351512A (en) * 1942-07-03 1944-06-13 Pesco Products Co Nonchattering relief valve
US3335746A (en) * 1964-08-12 1967-08-15 Parker Hannifin Corp Fluid pressure control device
US3401605A (en) * 1966-09-13 1968-09-17 Abex Corp Temperature responsive hydraulic system and valve means therefor

Also Published As

Publication number Publication date
ES362110A1 (es) 1970-12-01
NL6900084A (fr) 1969-07-08
US3578019A (en) 1971-05-11
DE1817143A1 (de) 1969-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse