CH399101A - Backflow preventer for installation in liquid lines, especially in the housings of shut-off devices - Google Patents

Backflow preventer for installation in liquid lines, especially in the housings of shut-off devices

Info

Publication number
CH399101A
CH399101A CH1096761A CH1096761A CH399101A CH 399101 A CH399101 A CH 399101A CH 1096761 A CH1096761 A CH 1096761A CH 1096761 A CH1096761 A CH 1096761A CH 399101 A CH399101 A CH 399101A
Authority
CH
Switzerland
Prior art keywords
housings
shut
installation
devices
backflow preventer
Prior art date
Application number
CH1096761A
Other languages
German (de)
Inventor
Knott Theodor
Original Assignee
Rheinisches Metallwerk Gmbh
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 Rheinisches Metallwerk Gmbh filed Critical Rheinisches Metallwerk Gmbh
Publication of CH399101A publication Critical patent/CH399101A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/104—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using a single check valve
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B9/00—Methods or installations for drawing-off water
    • E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check 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
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • 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
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Springs (AREA)
CH1096761A 1960-09-24 1961-09-21 Backflow preventer for installation in liquid lines, especially in the housings of shut-off devices CH399101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER0028804 1960-09-24

Publications (1)

Publication Number Publication Date
CH399101A true CH399101A (en) 1966-03-31

Family

ID=7402833

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1096761A CH399101A (en) 1960-09-24 1961-09-21 Backflow preventer for installation in liquid lines, especially in the housings of shut-off devices

Country Status (4)

Country Link
BE (1) BE608499A (en)
CH (1) CH399101A (en)
GB (1) GB990176A (en)
LU (1) LU40629A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094813A1 (en) * 1982-05-17 1983-11-23 Warren Rupp-Houdaille, Inc. Check valve
EP0416831A2 (en) * 1989-09-06 1991-03-13 Meggitt (U.K.) Limited Seal member and assembly
DE4300401C2 (en) * 1993-01-09 2002-10-24 Bosch Gmbh Robert Electric fan motor
CN112343821A (en) * 2019-08-06 2021-02-09 上海海立电器有限公司 One-way conduction valve, refrigerant injection structure comprising same and compressor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380474A (en) * 1965-08-05 1968-04-30 Internat Controls Corp Flap valve device
FR2567744B1 (en) * 1984-07-18 1987-06-26 Black & Decker Inc NON-RETURN VALVE FOR A VACUUM NOZZLE, IN PARTICULAR A MINIATURE HAND VACUUM, AND VACUUM COMPRISING SUCH A VALVE
GB2242504B (en) * 1990-03-27 1994-04-06 Hartley Simon Ltd A flap valve
AT506717A1 (en) 2008-05-02 2009-11-15 Aquaconsult Anlagenbau Gmbh DEVICE FOR REGISTERING GAS BLOCKS INTO A LIQUID
CN104989649A (en) * 2015-07-02 2015-10-21 于浩 Inner blocking screw head for pressure release valve of screw compressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094813A1 (en) * 1982-05-17 1983-11-23 Warren Rupp-Houdaille, Inc. Check valve
EP0416831A2 (en) * 1989-09-06 1991-03-13 Meggitt (U.K.) Limited Seal member and assembly
EP0416831A3 (en) * 1989-09-06 1991-07-24 Meggitt (U.K.) Limited Seal member and assembly
DE4300401C2 (en) * 1993-01-09 2002-10-24 Bosch Gmbh Robert Electric fan motor
CN112343821A (en) * 2019-08-06 2021-02-09 上海海立电器有限公司 One-way conduction valve, refrigerant injection structure comprising same and compressor

Also Published As

Publication number Publication date
BE608499A (en) 1962-01-15
LU40629A1 (en) 1961-11-22
GB990176A (en) 1965-04-28

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