GB1552987A - Check valves - Google Patents

Check valves

Info

Publication number
GB1552987A
GB1552987A GB33809/76A GB3380976A GB1552987A GB 1552987 A GB1552987 A GB 1552987A GB 33809/76 A GB33809/76 A GB 33809/76A GB 3380976 A GB3380976 A GB 3380976A GB 1552987 A GB1552987 A GB 1552987A
Authority
GB
United Kingdom
Prior art keywords
check valves
valves
check
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
GB33809/76A
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.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of GB1552987A publication Critical patent/GB1552987A/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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • F16K15/1826—Check valves which can be actuated by a pilot valve
    • 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
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
GB33809/76A 1975-08-20 1976-08-13 Check valves Expired GB1552987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1080575A CH596485A5 (es) 1975-08-20 1975-08-20

Publications (1)

Publication Number Publication Date
GB1552987A true GB1552987A (en) 1979-09-19

Family

ID=4367048

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33809/76A Expired GB1552987A (en) 1975-08-20 1976-08-13 Check valves

Country Status (9)

Country Link
JP (1) JPS5944545B2 (es)
BE (1) BE845379A (es)
CH (1) CH596485A5 (es)
DE (1) DE2538760C3 (es)
FR (1) FR2321645A1 (es)
GB (1) GB1552987A (es)
IT (1) IT1067989B (es)
NL (1) NL169219C (es)
SE (1) SE420441B (es)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007101901A1 (en) * 2006-03-06 2007-09-13 Polarteknik Pmc Oy Ab Suction valve
CN101048598B (zh) * 2004-10-15 2011-05-18 博世力士乐股份有限公司 先导式单向阀
US8820703B2 (en) 2007-09-13 2014-09-02 John Leslie Johnson Double action directional fluid flow valve
CN106949265A (zh) * 2017-05-05 2017-07-14 珠海格力电器股份有限公司 空调设备、冷水机组、止回结构及其控制方法
WO2018104106A1 (en) * 2016-12-09 2018-06-14 Volvo Truck Corporation A cooling system valve
WO2019220153A3 (en) * 2018-05-14 2020-01-16 Hydromat D.O.O. Axial valve of the modular concept of construction

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715419C2 (de) * 1977-04-06 1985-02-28 Wolfgang 5064 Rösrath Berns Absperrventil, insbesondere Hochdruckabsperrventil, mit Schnellschlußmöglichkeit
US4172582A (en) * 1977-04-21 1979-10-30 Rexnord Inc. Reverse differential holding valve
DE2757352B2 (de) * 1977-12-22 1981-06-19 Carl Heinz Dipl.-Ing. 4050 Mönchengladbach Häfele Selbsttätig arbeitendes Rückschlagventil
DE2856242C3 (de) * 1978-12-27 1984-05-17 Integral Hydraulik & Co, 4000 Düsseldorf Einfach entsperrbares Rückschlagventil
CH661777A5 (de) * 1981-05-25 1987-08-14 Sulzer Ag Rueckschlagventil.
JPS57203621A (en) * 1981-06-04 1982-12-14 Usesoyuzuni Ni I Pk I Atomunog Feeder for flowing and supplying bulk material
JPS5822220A (ja) * 1981-07-27 1983-02-09 ウセソユズニ・ナウチノ−イスレドヴアテルスキ・イ・プロエクトノ−コンストルクトルスキ・インスチテユ−ト・アトムノゴ・エネルゲチチエスコゴ・マシノストロエニア 粉粒体の供給装置
DE3210790A1 (de) * 1982-03-24 1983-10-06 Bauer Kompressoren Druckmittelbetaetigtes steuerbares absperrventil
JPH06100296B2 (ja) * 1985-10-08 1994-12-12 岡野バルブ製造株式会社 自圧式操作弁
DE4123610C2 (de) * 1991-07-17 1994-04-28 Vos Richard Grubenausbau Gmbh Einstellbares Bedüsungsventil
DE4323462C2 (de) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil
DE19721356A1 (de) * 1997-05-22 1998-12-03 Gerhard Habla Zwangsgesteuertes Rückschlagventil
GB2525217B (en) * 2014-04-16 2017-02-08 Siemens Healthcare Ltd A Pressure relief valve arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE188932C (es) *
DE192838C (es) *
US1555817A (en) * 1924-09-20 1925-10-06 Charles E Golden Control valve
JPS445664Y1 (es) * 1964-09-21 1969-02-28
DE1775356B2 (de) * 1968-08-01 1974-04-18 Siemens Ag, 1000 Berlin U. 8000 Muenchen Rückschlagventil
US3568706A (en) * 1969-02-06 1971-03-09 Anderson Greenwood & Co Pressure relieving system
IT980603B (it) * 1972-04-17 1974-10-10 Hydromatik Gmbh Valvola a due vie del tipo a sede

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101048598B (zh) * 2004-10-15 2011-05-18 博世力士乐股份有限公司 先导式单向阀
WO2007101901A1 (en) * 2006-03-06 2007-09-13 Polarteknik Pmc Oy Ab Suction valve
US8113228B2 (en) 2006-03-06 2012-02-14 Polarteknik Pmc Oy Ab Suction valve
US8820703B2 (en) 2007-09-13 2014-09-02 John Leslie Johnson Double action directional fluid flow valve
US9395016B2 (en) 2007-09-13 2016-07-19 John Leslie Johnson Double action direction fluid flow valve
US9587757B2 (en) 2007-09-13 2017-03-07 John Leslie Johnson Double action direction fluid flow valve
US11079036B2 (en) 2007-09-13 2021-08-03 John Leslie Johnson Double action direction fluid flow valve
US9841116B2 (en) 2007-09-13 2017-12-12 John Leslie Johnson Double action direction fluid flow valve
CN110050114A (zh) * 2016-12-09 2019-07-23 沃尔沃卡车集团 冷却系统阀
WO2018104106A1 (en) * 2016-12-09 2018-06-14 Volvo Truck Corporation A cooling system valve
US11053837B2 (en) 2016-12-09 2021-07-06 Volvo Truck Corporation Cooling system valve
CN106949265A (zh) * 2017-05-05 2017-07-14 珠海格力电器股份有限公司 空调设备、冷水机组、止回结构及其控制方法
WO2019220153A3 (en) * 2018-05-14 2020-01-16 Hydromat D.O.O. Axial valve of the modular concept of construction
US11359735B2 (en) 2018-05-14 2022-06-14 Hydromat D.O.O. Axial valve of the modular concept of construction

Also Published As

Publication number Publication date
IT1067989B (it) 1985-03-21
DE2538760C3 (de) 1979-09-27
FR2321645A1 (fr) 1977-03-18
DE2538760B2 (de) 1979-02-01
SE420441B (sv) 1981-10-05
FR2321645B1 (es) 1983-03-11
NL7608887A (nl) 1977-02-22
NL169219B (nl) 1982-01-18
NL169219C (nl) 1982-06-16
SE7608844L (sv) 1977-02-21
JPS5944545B2 (ja) 1984-10-30
DE2538760A1 (de) 1977-02-24
BE845379A (fr) 1977-02-21
CH596485A5 (es) 1978-03-15
JPS5226020A (en) 1977-02-26

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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

Effective date: 19950813