NL7405397A - - Google Patents

Info

Publication number: NL7405397A
Authority: NL; Netherlands

Application number

NL7405397A

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.)

1973-04-23

Filing date

1974-04-20

Publication date

1974-10-25

1974-04-20 Application filed filed Critical

1974-10-25 Publication of NL7405397A publication Critical patent/NL7405397A/xx

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
- E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
- 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
- E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
- 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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
- F16K15/066—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring with a plurality of valve members
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0473—Multiple-way safety valves

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Public Health (AREA)
Water Supply & Treatment (AREA)
Multiple-Way Valves (AREA)
Check Valves (AREA)

NL7405397A 1973-04-23 1974-04-20 NL7405397A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US35333573A	1973-04-23	1973-04-23

Publications (1)

Publication Number	Publication Date
NL7405397A true NL7405397A (en)	1974-10-25

Family

ID=23388683

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7405397A NL7405397A (en)	1973-04-23	1974-04-20

Country Status (7)

Country	Link
JP (1)	JPS5063531A (en)
BE (1)	BE814066A (en)
CH (1)	CH571673A5 (en)
FR (1)	FR2226599B1 (en)
GB (1)	GB1447303A (en)
IT (1)	IT1024191B (en)
NL (1)	NL7405397A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111536282A (en) *	2020-05-12	2020-08-14	浙江吉智新能源汽车科技有限公司	Flow switching valve for heat pump system, valve assembly and heat pump system

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5326537U (en) *	1976-08-13	1978-03-07
FR2528308A1 (en) *	1982-06-11	1983-12-16	Genin Bernard	Washing station for basins - has pedal operated control valve also forming stop valve for water feed
DE3805462C2 (en) *	1988-02-22	1995-10-26	Grohe Armaturen Friedrich	Valve ventilation device
DE3820842A1 (en) *	1988-06-21	1989-12-28	Draegerwerk Ag	LOW-VIBRATION FLOW VALVE
CH681029A5 (en) *	1990-03-02	1992-12-31	Karrer Weber & Cie Ag
CH681238A5 (en) *	1990-03-23	1993-02-15	Karrer Weber & Cie Ag
DE59404147D1 (en) *	1993-08-17	1997-10-30	Kwc Ag	Backflow preventer
JP3162037B2 (en) *	1999-06-29	2001-04-25	兼工業株式会社	Backflow prevention device
DE102004044850B3 (en) *	2004-09-10	2006-06-22	Alfred Kärcher Gmbh & Co. Kg	backflow preventer
DE102017201633A1 (en)	2017-02-01	2018-08-02	Volkswagen Aktiengesellschaft	Pressure relief valve
CN108525369A (en) *	2017-03-03	2018-09-14	程声通	Valveless water filter system and interlocker for filtration system
CN109237086A (en) *	2018-11-24	2019-01-18	浙江科欣实业有限公司	A kind of non-return valve
TR202013269A1 (en) *	2020-08-21	2022-03-21	Serdar Plastik Sanayi Ve Ticaret Anonim Sirketi	Disconnector (Backflow Preventer)
CN112253824B (en) *	2020-10-22	2022-05-17	华光阀门有限公司	Safety relief valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3171423A (en) *	1961-07-24	1965-03-02	Watts Regulator Co	Combination anti-siphon valve and backflow preventer

1974
- 1974-03-29 CH CH443674A patent/CH571673A5/xx not_active IP Right Cessation
- 1974-04-19 FR FR7413771A patent/FR2226599B1/fr not_active Expired
- 1974-04-20 NL NL7405397A patent/NL7405397A/xx not_active Application Discontinuation
- 1974-04-23 JP JP49045915A patent/JPS5063531A/ja active Pending
- 1974-04-23 GB GB1768674A patent/GB1447303A/en not_active Expired
- 1974-04-23 BE BE143507A patent/BE814066A/en unknown
- 1974-07-10 IT IT83375/74A patent/IT1024191B/en active

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111536282A (en) *	2020-05-12	2020-08-14	浙江吉智新能源汽车科技有限公司	Flow switching valve for heat pump system, valve assembly and heat pump system
CN111536282B (en) *	2020-05-12	2021-09-14	浙江吉智新能源汽车科技有限公司	Flow switching valve for heat pump system, valve assembly and heat pump system

Also Published As

Publication number	Publication date
GB1447303A (en)	1976-08-25
FR2226599B1 (en)	1979-07-27
BE814066A (en)	1974-08-16
IT1024191B (en)	1978-06-20
FR2226599A1 (en)	1974-11-15
JPS5063531A (en)	1975-05-30
CH571673A5 (en)	1976-01-15

Publication	Publication Date	Title
AR201758A1 (en)	1975-04-15
AU476761B2 (en)	1976-09-30
AU465372B2 (en)	1975-09-25
AR201235Q (en)	1975-02-21
AR201231Q (en)	1975-02-21
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
AU471343B2 (en)	1976-04-15
AU465453B2 (en)	1975-09-25
AU465434B2 (en)	1975-09-25
FR2226599A1 (en)	1974-11-15
AU450229B2 (en)	1974-07-04
AU476714B2 (en)	1976-09-30
AR201229Q (en)	1975-02-21
AU466283B2 (en)	1975-10-23
AU476696B2 (en)	1976-09-30
AU472848B2 (en)	1976-06-03
AR199451A1 (en)	1974-08-30
AU477823B2 (en)	1975-06-19
AR195948A1 (en)	1973-11-15
AU477824B2 (en)	1975-07-17
AR200256A1 (en)	1974-10-31
AR200885A1 (en)	1974-12-27
AR201432A1 (en)	1975-03-14

Legal Events

Date	Code	Title	Description
1981-01-26	BC	A request for examination has been filed
1981-09-16	CNR	Transfer of rights (patent application after its laying open for public inspection)	Free format text: HONEYWELL BRAUKMANN GMBH
1982-02-01	BI	The patent application has been withdrawn