DE69325269D1 - Rueckflussverhinderer mit einstellbarer ausflussrichtung - Google Patents
Rueckflussverhinderer mit einstellbarer ausflussrichtungInfo
- Publication number
- DE69325269D1 DE69325269D1 DE69325269T DE69325269T DE69325269D1 DE 69325269 D1 DE69325269 D1 DE 69325269D1 DE 69325269 T DE69325269 T DE 69325269T DE 69325269 T DE69325269 T DE 69325269T DE 69325269 D1 DE69325269 D1 DE 69325269D1
- Authority
- DE
- Germany
- Prior art keywords
- conduit
- outflow direction
- backflow prevention
- outflow
- separated
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- E03C1/106—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
- F16K15/02—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
-
- 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
- F16K2200/00—Details of valves
- F16K2200/20—Common housing having a single inlet, a single outlet and multiple valve members
- F16K2200/204—Common housing having a single inlet, a single outlet and multiple valve members in series
-
- 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
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
-
- 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
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
- Y10T137/0441—Repairing, securing, replacing, or servicing pipe joint, valve, or tank
-
- 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
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
- Y10T137/0491—Valve or valve element assembling, disassembling, or replacing
-
- 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
- Y10T137/5109—Convertible
- Y10T137/5283—Units interchangeable between alternate locations
-
- 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
-
- 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]
- Y10T137/7898—Pivoted valves
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/848,574 US5226441A (en) | 1989-11-13 | 1992-03-09 | Backflow preventor with adjustable outflow direction |
PCT/US1993/001958 WO1993018326A1 (en) | 1992-03-09 | 1993-03-05 | Backflow preventor with adjustable outflow direction |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69325269D1 true DE69325269D1 (de) | 1999-07-15 |
DE69325269T2 DE69325269T2 (de) | 1999-09-30 |
Family
ID=25303680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69325269T Expired - Fee Related DE69325269T2 (de) | 1992-03-09 | 1993-03-05 | Rueckflussverhinderer mit einstellbarer ausflussrichtung |
Country Status (8)
Country | Link |
---|---|
US (3) | US5226441A (de) |
EP (1) | EP0633990B1 (de) |
JP (1) | JP2779457B2 (de) |
AT (1) | ATE181145T1 (de) |
AU (1) | AU667888B2 (de) |
CA (1) | CA2131690C (de) |
DE (1) | DE69325269T2 (de) |
WO (1) | WO1993018326A1 (de) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5226441A (en) * | 1989-11-13 | 1993-07-13 | Cmb Industries | Backflow preventor with adjustable outflow direction |
US6659126B2 (en) * | 1989-11-13 | 2003-12-09 | Spx Corporation | Backflow preventor with adjustable outflow direction |
US5559289A (en) * | 1994-06-02 | 1996-09-24 | Schlumberger Industries, Inc. | Integral water flow meter and backflow prevention assembly |
US5711341A (en) * | 1997-02-25 | 1998-01-27 | Conbraco Industries, Inc. | Swing-type check valve assembly retained within a valve housing by abutting engagement with a valve cover and a port of the valve housing |
US5794655A (en) * | 1997-02-25 | 1998-08-18 | Conbraco Industries, Inc. | Swing-type check valve assembly having an integrated valve seat and valve housing cover |
TW539918B (en) * | 1997-05-27 | 2003-07-01 | Tokyo Electron Ltd | Removal of photoresist and photoresist residue from semiconductors using supercritical carbon dioxide process |
US6196246B1 (en) * | 1998-03-27 | 2001-03-06 | William D. Folsom | Freeze-resistant plumbing system in combination with a backflow preventer |
US6021805A (en) * | 1998-06-09 | 2000-02-08 | Watts Investment Company | Backflow preventer assembly |
US6325090B1 (en) | 1998-06-09 | 2001-12-04 | Watts Investment Company | Backflow preventer assembly |
US5971358A (en) * | 1998-06-11 | 1999-10-26 | Penn Troy Machine Co., Inc. | Gate assembly for a double disk gate valve |
US6234167B1 (en) | 1998-10-14 | 2001-05-22 | Chrysalis Technologies, Incorporated | Aerosol generator and methods of making and using an aerosol generator |
AU766445B2 (en) * | 1999-05-18 | 2003-10-16 | Zurn Industries, Inc | Backflow preventer valve |
US6155291A (en) * | 1999-08-25 | 2000-12-05 | Hunter Innovations | Backflow prevention apparatus |
EP1234322A2 (de) * | 1999-11-02 | 2002-08-28 | Tokyo Electron Limited | Verfahren und vorrichtungen zur überkritischen verarbeitung von werkstücken |
US6748960B1 (en) * | 1999-11-02 | 2004-06-15 | Tokyo Electron Limited | Apparatus for supercritical processing of multiple workpieces |
US6192933B1 (en) | 1999-12-03 | 2001-02-27 | Watts Investment Company | Backflow prevention assembly |
MY136453A (en) * | 2000-04-27 | 2008-10-31 | Philip Morris Usa Inc | "improved method and apparatus for generating an aerosol" |
US6883516B2 (en) | 2000-04-27 | 2005-04-26 | Chrysalis Technologies Incorporated | Method for generating an aerosol with a predetermined and/or substantially monodispersed particle size distribution |
AU2001290171A1 (en) * | 2000-07-26 | 2002-02-05 | Tokyo Electron Limited | High pressure processing chamber for semiconductor substrate |
CA2421744C (en) | 2000-09-07 | 2009-08-18 | Cmb Industries, Inc. | Reduced-length sleeve valve |
EP1315927A4 (de) | 2000-09-07 | 2005-06-01 | Cmb Ind | Druckminder-rückschlagvorrichtung mit kurzer baulänge |
US6681998B2 (en) | 2000-12-22 | 2004-01-27 | Chrysalis Technologies Incorporated | Aerosol generator having inductive heater and method of use thereof |
US6501052B2 (en) | 2000-12-22 | 2002-12-31 | Chrysalis Technologies Incorporated | Aerosol generator having multiple heating zones and methods of use thereof |
US6701921B2 (en) | 2000-12-22 | 2004-03-09 | Chrysalis Technologies Incorporated | Aerosol generator having heater in multilayered composite and method of use thereof |
US7077130B2 (en) * | 2000-12-22 | 2006-07-18 | Chrysalis Technologies Incorporated | Disposable inhaler system |
US6491233B2 (en) | 2000-12-22 | 2002-12-10 | Chrysalis Technologies Incorporated | Vapor driven aerosol generator and method of use thereof |
US6799572B2 (en) | 2000-12-22 | 2004-10-05 | Chrysalis Technologies Incorporated | Disposable aerosol generator system and methods for administering the aerosol |
US6568390B2 (en) | 2001-09-21 | 2003-05-27 | Chrysalis Technologies Incorporated | Dual capillary fluid vaporizing device |
US6640050B2 (en) | 2001-09-21 | 2003-10-28 | Chrysalis Technologies Incorporated | Fluid vaporizing device having controlled temperature profile heater/capillary tube |
US20040045604A1 (en) * | 2001-09-25 | 2004-03-11 | Dunmire Charles W. | Backflow preventor with adjustable outflow direction |
US6804458B2 (en) | 2001-12-06 | 2004-10-12 | Chrysalis Technologies Incorporated | Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate |
US6681769B2 (en) | 2001-12-06 | 2004-01-27 | Crysalis Technologies Incorporated | Aerosol generator having a multiple path heater arrangement and method of use thereof |
US6701922B2 (en) | 2001-12-20 | 2004-03-09 | Chrysalis Technologies Incorporated | Mouthpiece entrainment airflow control for aerosol generators |
WO2003071173A1 (en) * | 2002-02-15 | 2003-08-28 | Supercritical Systems Inc. | Pressure enchanced diaphragm valve |
US7001468B1 (en) | 2002-02-15 | 2006-02-21 | Tokyo Electron Limited | Pressure energized pressure vessel opening and closing device and method of providing therefor |
US7434593B2 (en) * | 2002-10-23 | 2008-10-14 | Zurn Industries, Llc | Double check valve assembly |
US6722642B1 (en) | 2002-11-06 | 2004-04-20 | Tokyo Electron Limited | High pressure compatible vacuum chuck for semiconductor wafer including lift mechanism |
JP4040971B2 (ja) * | 2002-12-27 | 2008-01-30 | 株式会社山武 | 差圧・圧力発信器 |
US7021635B2 (en) | 2003-02-06 | 2006-04-04 | Tokyo Electron Limited | Vacuum chuck utilizing sintered material and method of providing thereof |
US7077917B2 (en) * | 2003-02-10 | 2006-07-18 | Tokyo Electric Limited | High-pressure processing chamber for a semiconductor wafer |
US20050034660A1 (en) * | 2003-08-11 | 2005-02-17 | Supercritical Systems, Inc. | Alignment means for chamber closure to reduce wear on surfaces |
US7367334B2 (en) | 2003-08-27 | 2008-05-06 | Philip Morris Usa Inc. | Fluid vaporizing device having controlled temperature profile heater/capillary tube |
US7186093B2 (en) | 2004-10-05 | 2007-03-06 | Tokyo Electron Limited | Method and apparatus for cooling motor bearings of a high pressure pump |
US7250374B2 (en) * | 2004-06-30 | 2007-07-31 | Tokyo Electron Limited | System and method for processing a substrate using supercritical carbon dioxide processing |
US7307019B2 (en) * | 2004-09-29 | 2007-12-11 | Tokyo Electron Limited | Method for supercritical carbon dioxide processing of fluoro-carbon films |
US20060065288A1 (en) * | 2004-09-30 | 2006-03-30 | Darko Babic | Supercritical fluid processing system having a coating on internal members and a method of using |
US20060102590A1 (en) * | 2004-11-12 | 2006-05-18 | Tokyo Electron Limited | Method for treating a substrate with a high pressure fluid using a preoxide-based process chemistry |
US7491036B2 (en) * | 2004-11-12 | 2009-02-17 | Tokyo Electron Limited | Method and system for cooling a pump |
US20060102204A1 (en) * | 2004-11-12 | 2006-05-18 | Tokyo Electron Limited | Method for removing a residue from a substrate using supercritical carbon dioxide processing |
US20060102208A1 (en) * | 2004-11-12 | 2006-05-18 | Tokyo Electron Limited | System for removing a residue from a substrate using supercritical carbon dioxide processing |
US20060102591A1 (en) * | 2004-11-12 | 2006-05-18 | Tokyo Electron Limited | Method and system for treating a substrate using a supercritical fluid |
US20060130966A1 (en) * | 2004-12-20 | 2006-06-22 | Darko Babic | Method and system for flowing a supercritical fluid in a high pressure processing system |
US20060134332A1 (en) * | 2004-12-22 | 2006-06-22 | Darko Babic | Precompressed coating of internal members in a supercritical fluid processing system |
US7140393B2 (en) * | 2004-12-22 | 2006-11-28 | Tokyo Electron Limited | Non-contact shuttle valve for flow diversion in high pressure systems |
US7434590B2 (en) * | 2004-12-22 | 2008-10-14 | Tokyo Electron Limited | Method and apparatus for clamping a substrate in a high pressure processing system |
US20060135047A1 (en) * | 2004-12-22 | 2006-06-22 | Alexei Sheydayi | Method and apparatus for clamping a substrate in a high pressure processing system |
DE102005010139B4 (de) * | 2004-12-29 | 2013-11-28 | Hans Sasserath & Co. Kg | Rohrtrenneranordnung |
DE102004063747B4 (de) * | 2004-12-29 | 2006-10-26 | Hans Sasserath & Co Kg | Rohrtrenneranordnung |
US7784483B2 (en) * | 2005-01-21 | 2010-08-31 | Zurn Industries, Llc | Backflow preventer |
US7291565B2 (en) * | 2005-02-15 | 2007-11-06 | Tokyo Electron Limited | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid |
US7435447B2 (en) * | 2005-02-15 | 2008-10-14 | Tokyo Electron Limited | Method and system for determining flow conditions in a high pressure processing system |
US20060180174A1 (en) * | 2005-02-15 | 2006-08-17 | Tokyo Electron Limited | Method and system for treating a substrate with a high pressure fluid using a peroxide-based process chemistry in conjunction with an initiator |
US20060180572A1 (en) * | 2005-02-15 | 2006-08-17 | Tokyo Electron Limited | Removal of post etch residue for a substrate with open metal surfaces |
US7767145B2 (en) | 2005-03-28 | 2010-08-03 | Toyko Electron Limited | High pressure fourier transform infrared cell |
US20060255012A1 (en) * | 2005-05-10 | 2006-11-16 | Gunilla Jacobson | Removal of particles from substrate surfaces using supercritical processing |
US7789971B2 (en) * | 2005-05-13 | 2010-09-07 | Tokyo Electron Limited | Treatment of substrate using functionalizing agent in supercritical carbon dioxide |
US7524383B2 (en) * | 2005-05-25 | 2009-04-28 | Tokyo Electron Limited | Method and system for passivating a processing chamber |
US20070012337A1 (en) * | 2005-07-15 | 2007-01-18 | Tokyo Electron Limited | In-line metrology for supercritical fluid processing |
US7934515B1 (en) | 2008-03-12 | 2011-05-03 | Towsley Bryan L | Backflow bonnet and poppet |
US20110048561A1 (en) * | 2009-09-02 | 2011-03-03 | Marotta Stacey L | Zero-pitch pipe |
US8997772B2 (en) | 2010-09-07 | 2015-04-07 | Zurn Industries, Llc | Backflow prevention and method of manufacture |
US8960229B2 (en) | 2013-01-14 | 2015-02-24 | Mueller International, Llc | Sleeve valve with sync cam |
US8944085B2 (en) | 2013-01-14 | 2015-02-03 | Mueller International, Llc | Valve with sync cam |
JP6382725B2 (ja) * | 2015-01-08 | 2018-08-29 | フタバ産業株式会社 | 排気流路用弁装置 |
WO2021184047A1 (en) * | 2020-03-12 | 2021-09-16 | Michael Herrera | Apparatus and method for activation of flapper check valve |
Family Cites Families (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US510503A (en) * | 1893-12-12 | Percy falkinburg | ||
US213394A (en) * | 1879-03-18 | Improvement in sewer pipe and trap | ||
US751210A (en) * | 1904-02-02 | Automatic marine water-closet | ||
US825499A (en) * | 1905-07-06 | 1906-07-10 | Sturtevant Mill Co | Carbureter for gas-engines. |
US980188A (en) * | 1907-03-21 | 1911-01-03 | Albert Blauvelt | Detector-meter. |
US1031642A (en) * | 1911-02-16 | 1912-07-02 | Herman G Haase | Universal angle-coupling and valve-seat for piping. |
US1399791A (en) * | 1919-10-29 | 1921-12-13 | Goodrich Co B F | Valve structure |
US1783605A (en) * | 1928-07-13 | 1930-12-02 | Walter J Mcguigan | Pipe |
US1871536A (en) * | 1929-02-25 | 1932-08-16 | Bus Frank L Le | Well drilling appliance |
US1957507A (en) * | 1930-12-31 | 1934-05-08 | Muskegon Piston Ring Co | Piston ring slotting fixture |
US1978507A (en) * | 1933-03-20 | 1934-10-30 | Henry J Rand | Multiple check valve |
US2064247A (en) * | 1934-04-24 | 1936-12-15 | Hughes Tool Co | Kick-off collar |
US2224290A (en) * | 1938-12-27 | 1940-12-10 | William C Biddle | Automatic valve locking and releasing device |
US2389413A (en) * | 1941-09-26 | 1945-11-20 | Carlton Frank | Method of preventing backflow or back-siphonage in pressure systems |
US2556277A (en) * | 1945-02-22 | 1951-06-12 | Glenn L Martin Co | Self-operating valve for aircraft cooling systems |
US2515425A (en) * | 1946-03-21 | 1950-07-18 | Air Way Electric Appl Corp | Auxiliary valve for suction cleaners |
US2586942A (en) * | 1947-11-08 | 1952-02-26 | Grove Regulator Company | Apparatus for preventing backflow of liquid |
US2827921A (en) * | 1954-03-12 | 1958-03-25 | Roger M Sherman | Low torque instant closing check valve |
US3026902A (en) * | 1957-12-19 | 1962-03-27 | Dorsey Drip Regulator Corp | Drip-preventing valve |
FR1231542A (fr) * | 1959-08-03 | 1960-09-29 | Francis Guichon Ets | Robinet à soupape |
US3173439A (en) * | 1961-06-26 | 1965-03-16 | Donald G Griswold | Backflow prevention device |
US3051151A (en) * | 1961-08-28 | 1962-08-28 | Helwig Carl | Crankcase ventilator for automotive vehicles |
US3605787A (en) * | 1969-12-04 | 1971-09-20 | Chas M Bailey Co Inc | Polyjet valve |
US3789874A (en) * | 1972-07-13 | 1974-02-05 | Hersey Prod Inc | Changing bias check valve |
US3908208A (en) * | 1973-05-10 | 1975-09-30 | John C Mcilroy | Quick release safety trap |
US3995888A (en) * | 1973-05-10 | 1976-12-07 | Mcilroy John C | Flexible pipe connector |
IL45802A (en) * | 1973-10-26 | 1977-05-31 | Griswold Controls | Check valve useful in backflow prevention apparatus |
DE2425879C2 (de) * | 1974-05-28 | 1975-06-10 | Gustav F. Gerdts Kg, 2800 Bremen | Klappenventil |
DE2449857C3 (de) * | 1974-10-19 | 1979-04-05 | Rheinische Armaturen- Und Maschinenfabrik Albert Sempell, 4050 Moenchengladbach | Rückschlagarmatur ffir Rohrleitungen |
US4109819A (en) * | 1977-05-16 | 1978-08-29 | The Stacey Manufacturing Co. | Explosion vent and method of venting |
US4284097A (en) * | 1978-03-28 | 1981-08-18 | Amtrol Inc. | In line back flow preventer |
US4276897A (en) * | 1978-06-23 | 1981-07-07 | Griswold Controls | Backflow prevention apparatus |
US4231387A (en) * | 1979-01-11 | 1980-11-04 | Chas. M. Bailey Co., Inc. | Backflow preventing valve |
US4333495A (en) * | 1979-02-09 | 1982-06-08 | Griswold Controls | Check valve assembly |
FR2451526A1 (fr) * | 1979-03-13 | 1980-10-10 | Neyrpic | Dispositif a deux obturateurs en serie |
US4357954A (en) * | 1980-07-21 | 1982-11-09 | The Toro Company | Backflow preventing valve construction |
US4457333A (en) * | 1981-05-18 | 1984-07-03 | Transamerica Delaval Inc. | Check valve with relief-valve feature |
US4408788A (en) * | 1981-09-23 | 1983-10-11 | Grinnell Fire Protection Systems Company, Inc. | Hingeable split pipe collar |
US4526192A (en) * | 1983-08-05 | 1985-07-02 | Chas. M. Bailey Co., Inc. | Discharge valve |
US4508138A (en) * | 1983-08-05 | 1985-04-02 | Chas. M. Bailey Co., Inc. | Polyjet valve with backwash |
US4520846A (en) * | 1983-08-15 | 1985-06-04 | Chas. M. Bailey Co., Inc. | Valve |
DE3330409A1 (de) * | 1983-08-23 | 1985-03-14 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Rueckstaudoppelverschluss |
DE3414077A1 (de) * | 1984-04-13 | 1985-10-24 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Winkelveraenderbares kniestueck |
US4552174A (en) * | 1984-09-28 | 1985-11-12 | Itt Corporation | Spring-loaded check valve |
US4802507A (en) * | 1987-01-02 | 1989-02-07 | Kidde, Inc. | Gas flow control device |
US4945940A (en) * | 1989-08-21 | 1990-08-07 | Stevens Robert B | Tamper proof backflow prevention assembly |
US5107888A (en) * | 1989-11-13 | 1992-04-28 | Cmb Industries, Inc. | N-shaped backflow preventor |
US5226441A (en) * | 1989-11-13 | 1993-07-13 | Cmb Industries | Backflow preventor with adjustable outflow direction |
US4989635A (en) * | 1989-11-13 | 1991-02-05 | Cmb Industries, Inc. | Check valve with reduced hold-open pressure |
US4991622A (en) * | 1989-12-19 | 1991-02-12 | Cmb Industries | Multiply configurable backflow preventer |
-
1992
- 1992-03-09 US US07/848,574 patent/US5226441A/en not_active Expired - Lifetime
-
1993
- 1993-03-05 JP JP51588593A patent/JP2779457B2/ja not_active Expired - Lifetime
- 1993-03-05 EP EP93907207A patent/EP0633990B1/de not_active Expired - Lifetime
- 1993-03-05 WO PCT/US1993/001958 patent/WO1993018326A1/en active IP Right Grant
- 1993-03-05 DE DE69325269T patent/DE69325269T2/de not_active Expired - Fee Related
- 1993-03-05 AU AU37892/93A patent/AU667888B2/en not_active Ceased
- 1993-03-05 AT AT93907207T patent/ATE181145T1/de not_active IP Right Cessation
- 1993-03-05 CA CA002131690A patent/CA2131690C/en not_active Expired - Lifetime
- 1993-04-12 US US08/046,337 patent/US5385166A/en not_active Expired - Lifetime
-
1994
- 1994-10-25 US US08/328,216 patent/US5503176A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69325269T2 (de) | 1999-09-30 |
AU667888B2 (en) | 1996-04-18 |
US5503176A (en) | 1996-04-02 |
US5226441A (en) | 1993-07-13 |
CA2131690A1 (en) | 1993-09-16 |
AU3789293A (en) | 1993-10-05 |
JP2779457B2 (ja) | 1998-07-23 |
WO1993018326A1 (en) | 1993-09-16 |
EP0633990A1 (de) | 1995-01-18 |
CA2131690C (en) | 2003-11-04 |
ATE181145T1 (de) | 1999-06-15 |
US5385166A (en) | 1995-01-31 |
EP0633990B1 (de) | 1999-06-09 |
EP0633990A4 (de) | 1995-08-02 |
JPH07504484A (ja) | 1995-05-18 |
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