AT301974B - Spring-loaded check valve - Google Patents

Spring-loaded check valve

Info

Publication number
AT301974B
AT301974B AT735970A AT735970A AT301974B AT 301974 B AT301974 B AT 301974B AT 735970 A AT735970 A AT 735970A AT 735970 A AT735970 A AT 735970A AT 301974 B AT301974 B AT 301974B
Authority
AT
Austria
Prior art keywords
spring
check valve
loaded check
loaded
valve
Prior art date
Application number
AT735970A
Other languages
German (de)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of AT301974B publication Critical patent/AT301974B/en

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
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • 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
    • 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]
    • Y10T137/7876—With external means for opposing bias
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/86936—Pressure equalizing or auxiliary shunt flow
    • Y10T137/86944—One valve seats against other valve [e.g., concentric valves]
    • Y10T137/86984—Actuator moves both valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
AT735970A 1969-08-28 1970-08-12 Spring-loaded check valve AT301974B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1943693A DE1943693C3 (en) 1969-08-28 1969-08-28 Spring loaded check valve

Publications (1)

Publication Number Publication Date
AT301974B true AT301974B (en) 1972-09-25

Family

ID=5743981

Family Applications (1)

Application Number Title Priority Date Filing Date
AT735970A AT301974B (en) 1969-08-28 1970-08-12 Spring-loaded check valve

Country Status (6)

Country Link
US (1) US3631887A (en)
AT (1) AT301974B (en)
CH (1) CH501175A (en)
DE (1) DE1943693C3 (en)
FR (1) FR2062158A5 (en)
GB (1) GB1275838A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2231910A1 (en) * 1973-06-04 1974-12-27 Griffet Ets M Control valve for hydraulic jack of crane jib - has piston operated by low pressure oil to control main oil flow
DE2410077C3 (en) * 1974-03-02 1981-06-04 Schloemann-Siemag AG, 4000 Düsseldorf Device for setting the flow cross-section in hydraulic valves
US3981479A (en) * 1974-06-14 1976-09-21 Snap-Tite, Inc. Check valve
US4009756A (en) * 1975-09-24 1977-03-01 Trw, Incorporated Method and apparatus for flooding of oil-bearing formations by downward inter-zone pumping
DE2728004C2 (en) * 1977-06-22 1981-10-08 Danfoss A/S, 6430 Nordborg Hydraulic control device for a servomotor, in particular for vehicle steering
US4391293A (en) * 1980-12-18 1983-07-05 General Signal Corp. Packing for equalizing reservoir cut-out valve
US4391296A (en) * 1981-05-07 1983-07-05 Abbott John D By-pass pilot operated hydraulic check valve
US4484726A (en) * 1982-08-02 1984-11-27 Dresser Industries, Inc. Pulsation limiter for manually actuated hydraulic valve
DE3247420A1 (en) * 1982-12-22 1984-07-05 Mannesmann Rexroth GmbH, 8770 Lohr HYDRAULICALLY UNLOCKABLE CHECK VALVE
USRE34218E (en) 1983-09-02 1993-04-13 Easily-cleanable filters
US5255705A (en) * 1986-01-30 1993-10-26 Kabushiki Kaisha Komatsu Seisakusho Hydraulic pressure control system
US4978450A (en) 1986-02-11 1990-12-18 Mordeki Drori Filtering element
US5030347A (en) * 1987-07-30 1991-07-09 Mordeki Drori Multiple filter elements with movable flushing assembly
US5013461A (en) 1987-09-18 1991-05-07 Mordeki Drori Regeneration method of filter device having filter aid material and piston apparatus
US5015379A (en) 1988-03-16 1991-05-14 Mordeki Drori Coiled filter strip with upstream and downstream butt ends
IL88940A0 (en) 1989-01-12 1989-08-15 Drori Mordeki Filter apparatus
US4947672A (en) * 1989-04-03 1990-08-14 Burndy Corporation Hydraulic compression tool having an improved relief and release valve
US4967791A (en) * 1989-04-26 1990-11-06 The Boeing Company Pressure activated check valve
US5022427A (en) * 1990-03-02 1991-06-11 Otis Engineering Corporation Annular safety system for gas lift production
US5255712A (en) * 1992-10-28 1993-10-26 Foster Raymond K Check valve pull assembly
DE19813909B4 (en) * 1998-03-28 2007-02-15 Dbt Gmbh Hydraulically actuated non-return valve for the removal hydraulics in mining underground operations
DE10042716A1 (en) * 2000-08-31 2002-03-14 Mannesmann Rexroth Ag Unlockable check valve for very high system pressures
CZ2006234A3 (en) * 2006-04-06 2007-10-17 Zaalex S. R. O. Hydraulically controlled check valve
DE102006045448A1 (en) * 2006-09-19 2008-03-27 Lechler Gmbh Check valve for injection device i.e. field syringe, has valve body designed and arranged in housing such that contact surface aligned in its position closing for free cross-section is null for counter pressure in counter pressure area
TWM315185U (en) * 2006-12-15 2007-07-11 Wei-Te Hsu Vehicular hydraulic tank reverse safety device
ITMI20112217A1 (en) * 2011-12-05 2013-06-06 Clippers S R L ANTI-THEFT DEVICE FOR VEHICLES
US9714556B2 (en) * 2013-11-08 2017-07-25 Baker Hughes Incorporated Shear seal check valve for use in wellbore fluid
RU2689956C1 (en) * 2018-03-27 2019-05-29 федеральное государственное автономное образовательное учреждение высшего образования "Северо-Кавказский федеральный университет" Automatic throttle
CN108644168A (en) * 2018-05-14 2018-10-12 江苏理工学院 Inside let out balanced type hydraulic control one-way valve
NO345243B1 (en) * 2019-07-03 2020-11-16 Petroleum Technology Co As A valve arrangement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US885459A (en) * 1907-05-22 1908-04-21 William B Engler Valve for gas-engines.
CH201066A (en) * 1937-10-26 1938-11-15 Escher Wyss Maschf Ag Hydraulic servo motor for actuating rotating closing elements.
US2810370A (en) * 1954-01-18 1957-10-22 Pathon Mfg Company Combined power cylinder and valve construction
DE1913154U (en) * 1964-08-31 1965-04-01 Bosch Gmbh Robert LOCKING BLOCK.

Also Published As

Publication number Publication date
DE1943693A1 (en) 1971-03-11
US3631887A (en) 1972-01-04
DE1943693C3 (en) 1981-07-16
CH501175A (en) 1970-12-31
FR2062158A5 (en) 1971-06-25
GB1275838A (en) 1972-05-24
DE1943693B2 (en) 1977-03-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee