FR2467337B1 - Clapet de retenue avec deux pieces de fermeture sollicitees par des ressorts - Google Patents

Clapet de retenue avec deux pieces de fermeture sollicitees par des ressorts

Info

Publication number
FR2467337B1
FR2467337B1 FR8020846A FR8020846A FR2467337B1 FR 2467337 B1 FR2467337 B1 FR 2467337B1 FR 8020846 A FR8020846 A FR 8020846A FR 8020846 A FR8020846 A FR 8020846A FR 2467337 B1 FR2467337 B1 FR 2467337B1
Authority
FR
France
Prior art keywords
solicited
springs
retaining valve
closing pieces
pieces
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
FR8020846A
Other languages
English (en)
Other versions
FR2467337A1 (fr
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.)
Gustav F Gerdts KG
Original Assignee
Gustav F Gerdts KG
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 Gustav F Gerdts KG filed Critical Gustav F Gerdts KG
Publication of FR2467337A1 publication Critical patent/FR2467337A1/fr
Application granted granted Critical
Publication of FR2467337B1 publication Critical patent/FR2467337B1/fr
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
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
    • 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]
    • Y10T137/7838—Plural
    • Y10T137/7839—Dividing and recombining in a single flow path
FR8020846A 1979-10-13 1980-09-29 Clapet de retenue avec deux pieces de fermeture sollicitees par des ressorts Expired FR2467337B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19797929136U DE7929136U1 (de) 1979-10-13 1979-10-13 Rueckschlagklappe

Publications (2)

Publication Number Publication Date
FR2467337A1 FR2467337A1 (fr) 1981-04-17
FR2467337B1 true FR2467337B1 (fr) 1985-11-22

Family

ID=6708246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8020846A Expired FR2467337B1 (fr) 1979-10-13 1980-09-29 Clapet de retenue avec deux pieces de fermeture sollicitees par des ressorts

Country Status (9)

Country Link
US (1) US4321944A (fr)
JP (1) JPS5663165A (fr)
DE (1) DE7929136U1 (fr)
ES (1) ES8107373A1 (fr)
FR (1) FR2467337B1 (fr)
GB (1) GB2060830B (fr)
IT (1) IT1207144B (fr)
NL (1) NL177848C (fr)
SE (1) SE442140B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT381772B (de) * 1983-06-09 1986-11-25 Vogelbusch Gmbh Sicherheitsklappe in einer leitung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113938A1 (de) * 1981-04-07 1982-10-28 Gustav F. Gerdts GmbH & Co KG, 2800 Bremen Rueckschlagklappe
GB2146740B (en) * 1983-09-15 1986-10-22 Grundy Non-return valve
CA1233394A (fr) * 1984-05-02 1988-03-01 Richard S. Goodwin Clapets antiretour a disque
JPS6252277A (ja) * 1985-09-02 1987-03-06 Taiyo Valve Seisakusho:Kk チョウ弁型チェッキ弁
US4935129A (en) * 1989-03-20 1990-06-19 Wang Kung Hsi Closure device for a scupper drain
DE19717726C1 (de) * 1997-04-18 1998-09-10 Meinecke Ag H Verbundwasserzähler
US8122911B2 (en) * 2010-05-05 2012-02-28 Wark Rickey E Adjustable orifice for coal supply conduit
US8439088B2 (en) * 2010-05-19 2013-05-14 Ford Global Technologies, Llc One-way valve for a fuel-tank filling conduit
US20120180880A1 (en) * 2011-01-19 2012-07-19 Cameron International Corporation Dual plate wafer check valve
CN105836399A (zh) * 2016-05-23 2016-08-10 江苏科技大学 一种变螺距的圆锥无轴螺旋输送机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US303702A (en) * 1884-08-19 oaeeicabuetj
GB1076671A (en) * 1965-04-26 1967-07-19 Teddington Aircraft Controls L Improvements in non-return valves
US3384112A (en) * 1965-12-15 1968-05-21 John W Woolley Island check valve
GB1187882A (en) * 1968-04-30 1970-04-15 William John Woolley Check Valves.
US3910114A (en) * 1974-08-12 1975-10-07 Rosean Nancy Helen Dual vane flow meter
DE2718821C2 (de) * 1977-04-28 1979-02-22 Gustav F. Gerdts Kg, 2800 Bremen Rückschlagklappe
US4146048A (en) * 1977-05-02 1979-03-27 Prefco Productions, Inc. Fire damper and method of fabrication
JPS5412648A (en) * 1977-06-30 1979-01-30 Nec Corp Refresh control system
US4209037A (en) * 1977-11-25 1980-06-24 Aeroquip Corporation Environmental check valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT381772B (de) * 1983-06-09 1986-11-25 Vogelbusch Gmbh Sicherheitsklappe in einer leitung

Also Published As

Publication number Publication date
JPS6331036B2 (fr) 1988-06-22
ES495712A0 (es) 1981-10-01
US4321944A (en) 1982-03-30
IT8049866A0 (it) 1980-10-09
JPS5663165A (en) 1981-05-29
NL177848C (nl) 1985-12-02
DE7929136U1 (de) 1980-07-03
NL177848B (nl) 1985-07-01
IT1207144B (it) 1989-05-17
SE8007064L (sv) 1981-04-14
GB2060830A (en) 1981-05-07
FR2467337A1 (fr) 1981-04-17
ES8107373A1 (es) 1981-10-01
GB2060830B (en) 1983-06-29
NL8004963A (nl) 1981-04-15
SE442140B (sv) 1985-12-02

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse