LU75262A1 - - Google Patents

Info

Publication number: LU75262A1
Authority: LU; Luxembourg

Application number

LU75262A

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.)

1975-08-25

Filing date

1976-06-28

Publication date

1977-03-18

1976-06-28 Application filed filed Critical

1977-03-18 Publication of LU75262A1 publication Critical patent/LU75262A1/xx

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
- F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
- F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
- F16K15/038—Dual valve members with hinges crossing the flow line substantially diametrical having a common hinge
- 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
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
- 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
- F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
- 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]
- Y10T137/7838—Plural
- Y10T137/7839—Dividing and recombining in a single flow path

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Check Valves (AREA)

LU75262A 1975-08-25 1976-06-28 LU75262A1 (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/607,339 US4005732A (en)	1975-08-25	1975-08-25	Flapper valve with independent spring action

Publications (1)

Publication Number	Publication Date
LU75262A1 true LU75262A1 (xx)	1977-03-18

Family

ID=24431861

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
LU75262A LU75262A1 (xx)	1975-08-25	1976-06-28

Country Status (20)

Country	Link
US (1)	US4005732A (xx)
JP (1)	JPS5226629A (xx)
BE (1)	BE843479A (xx)
BR (1)	BR7604221A (xx)
CA (1)	CA1031234A (xx)
CH (1)	CH608285A5 (xx)
DE (2)	DE7620774U1 (xx)
DK (1)	DK289576A (xx)
ES (1)	ES449336A1 (xx)
FR (1)	FR2322317A1 (xx)
GB (1)	GB1499295A (xx)
IE (1)	IE42869B1 (xx)
IL (1)	IL49892A (xx)
IT (1)	IT1066564B (xx)
LU (1)	LU75262A1 (xx)
MX (1)	MX143113A (xx)
NL (1)	NL158903B (xx)
PT (1)	PT65284B (xx)
SE (1)	SE422984B (xx)
ZA (1)	ZA763733B (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU530038B2 (en) *	1978-08-18	1983-06-30	Pegler Hattersley Aust. Pty. Ltd.	Valve
US4385552A (en) *	1981-04-16	1983-05-31	Marvin Nabben	Exhaust fan and anti-backdraft shutter assembly
US4507061A (en) *	1982-09-14	1985-03-26	Henry Filters, Inc.	Check valve and pump receptor assembly
JPS61135070U (xx) *	1985-02-12	1986-08-22
US4602654A (en) *	1985-09-04	1986-07-29	Hydra-Shield Manufacturing Co.	Coupling for fire hydrant-fire hose connection
US4658857A (en) *	1985-09-20	1987-04-21	Surgeaco, Incorporated	Control valve with split disc
DE3533905A1 (de) *	1985-09-23	1987-04-02	Subrat Chatterjee	Zwischenflansch-rueckschlagventil
NZ230553A (en) *	1988-09-21	1993-04-28	Stockham Valve Au Pty Ltd	Check valve with pivoting plates made from sheet material and pivot pin retained in body with spring clips
GB9324697D0 (en) *	1993-12-01	1994-01-19	Goodwin R Int Ltd	Plates for wafer check valves
US6810920B1 (en)	2003-09-08	2004-11-02	James A. Rolling	Fuel drip prevention method
US20050171495A1 (en) *	2004-01-29	2005-08-04	Austin Timothy W.	Waste collection unit with manifold interface assembly
US7311740B2 (en) *	2005-02-14	2007-12-25	Honeywell International, Inc.	Snap acting split flapper valve
US7779859B2 (en) *	2006-08-30	2010-08-24	Honeywell International Inc.	Flapper with insert stops for check valve
CN200975524Y (zh) *	2006-11-16	2007-11-14	苏州纽威阀门有限公司	双瓣对夹式止回阀
US8439088B2 (en) *	2010-05-19	2013-05-14	Ford Global Technologies, Llc	One-way valve for a fuel-tank filling conduit
WO2013011348A1 (en) *	2011-07-20	2013-01-24	Hawa Valves (India) Private Limited	Dual plate check valve
US9651160B2 (en) *	2014-09-24	2017-05-16	Hamilton Sundstrand Corporation	Anti-flutter check valve
TWI607145B (zh) *	2015-01-09	2017-12-01	陳文泉	氣流調節裝置
KR101685487B1 (ko) *	2015-05-06	2016-12-13	현대자동차주식회사	가변밸브
AU2017330468B2 (en) *	2016-09-26	2021-09-30	Fluid Handling Llc	Contoured check valve disc for low cracking pressure
EP3633111A1 (de) *	2018-10-02	2020-04-08	Vonroll Infratec (Investment) AG	Rückflussverhinderer, schlauchkopplung für einen hydranten und hydrant
US11156303B2 (en)	2019-05-31	2021-10-26	Mueller International, Llc	Break check valve for hydrant
US11204102B2 (en)	2020-03-19	2021-12-21	Mueller International, Llc	Watertight check valve
JP7311542B2 (ja) *	2021-01-27	2023-07-19	フタバ産業株式会社	排気部品
US11725746B2 (en)	2021-06-07	2023-08-15	Mueller International, Llc	Low water hammer break check valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3127148A (en) *		1964-03-31		Valved coupling
US303702A (en) *		1884-08-19		oaeeicabuetj
US3718156A (en) *	1971-01-27	1973-02-27	A Fujii	Automatic air flow smoothing apparatus
US3910114A (en) *	1974-08-12	1975-10-07	Rosean Nancy Helen	Dual vane flow meter

1975
- 1975-08-25 US US05/607,339 patent/US4005732A/en not_active Expired - Lifetime
1976
- 1976-06-22 GB GB2594776A patent/GB1499295A/en not_active Expired
- 1976-06-22 IE IE1347/76A patent/IE42869B1/en unknown
- 1976-06-23 IL IL4989276A patent/IL49892A/xx unknown
- 1976-06-23 ZA ZA763733A patent/ZA763733B/xx unknown
- 1976-06-25 NL NL7607032A patent/NL158903B/xx not_active IP Right Cessation
- 1976-06-25 DK DK289576A patent/DK289576A/da not_active Application Discontinuation
- 1976-06-28 FR FR7619576A patent/FR2322317A1/fr active Granted
- 1976-06-28 IT IT5019076A patent/IT1066564B/it active
- 1976-06-28 ES ES449336A patent/ES449336A1/es not_active Expired
- 1976-06-28 CH CH825476A patent/CH608285A5/xx not_active IP Right Cessation
- 1976-06-28 DE DE19767620774U patent/DE7620774U1/de not_active Expired
- 1976-06-28 LU LU75262A patent/LU75262A1/xx unknown
- 1976-06-28 CA CA255,834A patent/CA1031234A/en not_active Expired
- 1976-06-28 BE BE1007476A patent/BE843479A/xx not_active IP Right Cessation
- 1976-06-28 SE SE7607342A patent/SE422984B/xx not_active IP Right Cessation
- 1976-06-28 MX MX165288A patent/MX143113A/es unknown
- 1976-06-28 PT PT6528476A patent/PT65284B/pt unknown
- 1976-06-28 DE DE19762629514 patent/DE2629514A1/de active Pending
- 1976-06-28 BR BR7604221A patent/BR7604221A/pt unknown
- 1976-06-29 JP JP7697876A patent/JPS5226629A/ja active Granted

Also Published As

Publication number	Publication date
SE422984B (sv)	1982-04-05
ES449336A1 (es)	1977-12-01
IE42869B1 (en)	1980-11-05
DK289576A (da)	1977-02-26
FR2322317A1 (fr)	1977-03-25
FR2322317B1 (xx)	1982-11-26
NL158903B (nl)	1978-12-15
IL49892A (en)	1979-03-12
DE2629514A1 (de)	1977-03-03
US4005732A (en)	1977-02-01
SE7607342L (sv)	1977-02-26
IT1066564B (it)	1985-03-12
CH608285A5 (xx)	1978-12-29
IE42869L (en)	1977-02-25
PT65284B (en)	1977-12-13
JPS5412648B2 (xx)	1979-05-24
BR7604221A (pt)	1977-04-05
ZA763733B (en)	1977-05-25
BE843479A (fr)	1976-12-28
IL49892A0 (en)	1976-08-31
DE7620774U1 (de)	1980-03-20
JPS5226629A (en)	1977-02-28
MX143113A (es)	1981-03-18
GB1499295A (en)	1978-01-25
NL7607032A (nl)	1977-03-01
PT65284A (en)	1976-07-01
CA1031234A (en)	1978-05-16

Publication	Publication Date	Title
FR2322317B1 (xx)	1982-11-26
IN144716B (xx)	1978-06-24
JPS5429286B2 (xx)	1979-09-21
JPS5238139U (xx)	1977-03-17
JPS54827B2 (xx)	1979-01-17
JPS5535011B2 (xx)	1980-09-11
JPS573929B2 (xx)	1982-01-23
JPS5240032U (xx)	1977-03-22
JPS5435928Y2 (xx)	1979-10-31
JPS5241151U (xx)	1977-03-24
CH604144A5 (xx)	1978-08-31
CH598236A5 (xx)	1978-04-28
CH603712A5 (xx)	1978-08-31
CH603426A5 (xx)	1978-08-15
CH602410A5 (xx)	1978-07-31
CH604187A5 (xx)	1978-08-31
CH604841A5 (xx)	1978-09-15
CH601723A5 (xx)	1978-07-14
CH601612A5 (xx)	1978-07-14
CH601047A5 (xx)	1978-06-30
CH600783A5 (xx)	1978-06-30
CH600475A5 (xx)	1978-06-15
CH600452A5 (xx)	1978-06-15
CH600451A5 (xx)	1978-06-15
CH599891A5 (xx)	1978-06-15