DE2933201A1 - Daempfungseinrichtung fuer rueckschlagarmaturen - Google Patents

Daempfungseinrichtung fuer rueckschlagarmaturen

Info

Publication number
DE2933201A1
DE2933201A1 DE19792933201 DE2933201A DE2933201A1 DE 2933201 A1 DE2933201 A1 DE 2933201A1 DE 19792933201 DE19792933201 DE 19792933201 DE 2933201 A DE2933201 A DE 2933201A DE 2933201 A1 DE2933201 A1 DE 2933201A1
Authority
DE
Germany
Prior art keywords
damping device
recess
piston
cylinder
plunger
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.)
Ceased
Application number
DE19792933201
Other languages
German (de)
English (en)
Inventor
Werner Dr.-Ing. 8522 Herzogenaurach Eck
Jürgen 8520 Erlangen Hoffmann
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.)
Kraftwerk Union AG
Original Assignee
Kraftwerk Union 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 Kraftwerk Union AG filed Critical Kraftwerk Union AG
Priority to DE19792933201 priority Critical patent/DE2933201A1/de
Priority to GB8025328A priority patent/GB2056625B/en
Priority to US06/177,717 priority patent/US4315524A/en
Priority to FR8017886A priority patent/FR2463350A1/fr
Publication of DE2933201A1 publication Critical patent/DE2933201A1/de
Ceased 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
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/01—Damping of valve members
    • F16K47/011—Damping of valve members by means of a dashpot
    • F16K47/0111—Damping of valve members by means of a dashpot the valve members comprising a plunger sliding within a fixed dashpot
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/01—Damping of valve members
    • F16K47/011—Damping of valve members by means of a dashpot
    • F16K47/0112—Damping of valve members by means of a dashpot the valve members comprising a dashpot sliding over a fixed plunger
    • 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
    • Y10T137/7851—End of valve forms dashpot chamber
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Check Valves (AREA)
DE19792933201 1979-08-16 1979-08-16 Daempfungseinrichtung fuer rueckschlagarmaturen Ceased DE2933201A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19792933201 DE2933201A1 (de) 1979-08-16 1979-08-16 Daempfungseinrichtung fuer rueckschlagarmaturen
GB8025328A GB2056625B (en) 1979-08-16 1980-08-04 Damped non return valve
US06/177,717 US4315524A (en) 1979-08-16 1980-08-13 Damping device for check valves
FR8017886A FR2463350A1 (fr) 1979-08-16 1980-08-13 Dispositif amortisseur pour soupapes de non-retour

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792933201 DE2933201A1 (de) 1979-08-16 1979-08-16 Daempfungseinrichtung fuer rueckschlagarmaturen

Publications (1)

Publication Number Publication Date
DE2933201A1 true DE2933201A1 (de) 1981-03-26

Family

ID=6078597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792933201 Ceased DE2933201A1 (de) 1979-08-16 1979-08-16 Daempfungseinrichtung fuer rueckschlagarmaturen

Country Status (4)

Country Link
US (1) US4315524A (enExample)
DE (1) DE2933201A1 (enExample)
FR (1) FR2463350A1 (enExample)
GB (1) GB2056625B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908435A1 (de) * 1989-03-15 1990-09-20 Stiebel Eltron Gmbh & Co Kg Wasserarmatur
DE4030107A1 (de) * 1990-09-22 1992-03-26 Steag Ag Hydraulischer stellantrieb fuer steuer- und regelarmaturen
DE4402126A1 (de) * 1994-01-21 1995-07-27 Keulahuette Krauschwitz Gmbh Gedämpfte Rückschlagklappe

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693270A (en) * 1986-03-24 1987-09-15 Durabla Manufacturing Co. Check valve
US7422029B2 (en) * 2006-09-29 2008-09-09 Honeywell International Inc. Linear damper for check valve
US11320057B2 (en) * 2019-02-05 2022-05-03 Reseau Drain Corp. Anti-rat valve and flap therefor

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE270220C (enExample) * 1900-01-01
US1747571A (en) * 1927-11-21 1930-02-18 Boynton Alexander Automatic well-flowing device
US2514838A (en) * 1946-11-18 1950-07-11 Charles J Callahan Nonsticking back-pressure valve
US2578590A (en) * 1948-02-25 1951-12-11 Perrault Bros Safety valve
US2687276A (en) * 1949-12-03 1954-08-24 Byron H Staats Cushioning structure for valves and the like
US3098502A (en) * 1961-04-21 1963-07-23 Dominion Eng Works Ltd Valve and dash-pot assembly
GB1062279A (en) * 1963-07-24 1967-03-22 Clement Ramsden Improvements in non-return valves
US3857408A (en) * 1973-10-23 1974-12-31 Acf Ind Inc Seat and sealing means for clapper-type check valve
DE2432477A1 (de) * 1973-07-16 1975-02-06 Ganz Mavag Mozdony Vagon Rohrverschluesse fuer druckrohre von pumpen mit hoher foerdermenge
DE2648050A1 (de) * 1976-10-23 1978-04-27 Maier Kg Maschf B Rueckschlagklappe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US505238A (en) * 1893-09-19 Air-current governor
DE167996C (enExample) *
US2289946A (en) * 1940-09-06 1942-07-14 Weatherhead Co Needle check valve
US3141471A (en) * 1962-01-02 1964-07-21 Chemetron Corp Proportioning assembly
US3265060A (en) * 1964-03-02 1966-08-09 Schreiber Gus Expiration regulators
DE7114268U (de) * 1971-04-14 1973-08-16 Klein Schanzlin & Becker Ag Ruckschlagklappe
GB1519484A (en) * 1976-03-26 1978-07-26 Hopkinsons Ltd Check valves
DE2736080A1 (de) 1977-08-10 1979-02-15 Kraftwerk Union Ag Daempfungseinrichtung fuer rueckschlagarmaturen

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE270220C (enExample) * 1900-01-01
US1747571A (en) * 1927-11-21 1930-02-18 Boynton Alexander Automatic well-flowing device
US2514838A (en) * 1946-11-18 1950-07-11 Charles J Callahan Nonsticking back-pressure valve
US2578590A (en) * 1948-02-25 1951-12-11 Perrault Bros Safety valve
US2687276A (en) * 1949-12-03 1954-08-24 Byron H Staats Cushioning structure for valves and the like
US3098502A (en) * 1961-04-21 1963-07-23 Dominion Eng Works Ltd Valve and dash-pot assembly
GB1062279A (en) * 1963-07-24 1967-03-22 Clement Ramsden Improvements in non-return valves
DE2432477A1 (de) * 1973-07-16 1975-02-06 Ganz Mavag Mozdony Vagon Rohrverschluesse fuer druckrohre von pumpen mit hoher foerdermenge
US3857408A (en) * 1973-10-23 1974-12-31 Acf Ind Inc Seat and sealing means for clapper-type check valve
DE2648050A1 (de) * 1976-10-23 1978-04-27 Maier Kg Maschf B Rueckschlagklappe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908435A1 (de) * 1989-03-15 1990-09-20 Stiebel Eltron Gmbh & Co Kg Wasserarmatur
DE4030107A1 (de) * 1990-09-22 1992-03-26 Steag Ag Hydraulischer stellantrieb fuer steuer- und regelarmaturen
DE4402126A1 (de) * 1994-01-21 1995-07-27 Keulahuette Krauschwitz Gmbh Gedämpfte Rückschlagklappe

Also Published As

Publication number Publication date
FR2463350B1 (enExample) 1985-01-11
GB2056625B (en) 1983-07-06
GB2056625A (en) 1981-03-18
US4315524A (en) 1982-02-16
FR2463350A1 (fr) 1981-02-20

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
8131 Rejection