ES495712A0 - Dispositivo de valvula de retencion perfeccionado - Google Patents

Dispositivo de valvula de retencion perfeccionado

Info

Publication number
ES495712A0
ES495712A0 ES495712A ES495712A ES495712A0 ES 495712 A0 ES495712 A0 ES 495712A0 ES 495712 A ES495712 A ES 495712A ES 495712 A ES495712 A ES 495712A ES 495712 A0 ES495712 A0 ES 495712A0
Authority
ES
Spain
Prior art keywords
perfected
check valve
valve device
check
valve
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.)
Granted
Application number
ES495712A
Other languages
English (en)
Other versions
ES8107373A1 (es
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 ES495712A0 publication Critical patent/ES495712A0/es
Publication of ES8107373A1 publication Critical patent/ES8107373A1/es
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
ES495712A 1979-10-13 1980-10-08 Dispositivo de valvula de retencion perfeccionado Expired ES8107373A1 (es)

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
ES495712A0 true ES495712A0 (es) 1981-10-01
ES8107373A1 ES8107373A1 (es) 1981-10-01

Family

ID=6708246

Family Applications (1)

Application Number Title Priority Date Filing Date
ES495712A Expired ES8107373A1 (es) 1979-10-13 1980-10-08 Dispositivo de valvula de retencion perfeccionado

Country Status (9)

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

Families Citing this family (11)

* 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
AT381772B (de) * 1983-06-09 1986-11-25 Vogelbusch Gmbh Sicherheitsklappe in einer leitung
GB2146740B (en) * 1983-09-15 1986-10-22 Grundy Non-return valve
CA1233394A (en) * 1984-05-02 1988-03-01 Richard S. Goodwin Wafer check valves
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

Also Published As

Publication number Publication date
JPS6331036B2 (es) 1988-06-22
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
FR2467337B1 (fr) 1985-11-22
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
FD1A Patent lapsed

Effective date: 19970303