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 devicesInfo
- 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
Links
- 238000009434 installation Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 title 1
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)
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)
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)
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 |
-
1961
- 1961-09-21 CH CH1096761A patent/CH399101A/en unknown
- 1961-09-22 LU LU40629D patent/LU40629A1/xx unknown
- 1961-09-25 GB GB34277/61A patent/GB990176A/en not_active Expired
- 1961-09-25 BE BE608499A patent/BE608499A/en unknown
Cited By (5)
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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