SG80672A1 - Reverse flow prevention apparatus - Google Patents
Reverse flow prevention apparatusInfo
- Publication number
- SG80672A1 SG80672A1 SG200000608A SG200000608A SG80672A1 SG 80672 A1 SG80672 A1 SG 80672A1 SG 200000608 A SG200000608 A SG 200000608A SG 200000608 A SG200000608 A SG 200000608A SG 80672 A1 SG80672 A1 SG 80672A1
- Authority
- SG
- Singapore
- Prior art keywords
- reverse flow
- prevention apparatus
- flow prevention
- reverse
- prevention
- Prior art date
Links
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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch 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
- E03C1/106—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
-
- 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
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
- Y10T137/2574—Bypass or relief controlled by main line fluid condition
- Y10T137/2605—Pressure responsive
- Y10T137/2617—Bypass or relief valve biased open
-
- 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
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
- Y10T137/2574—Bypass or relief controlled by main line fluid condition
- Y10T137/2605—Pressure responsive
- Y10T137/2622—Bypass or relief valve responsive to pressure downstream of outlet valve
-
- 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
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
- Y10T137/2574—Bypass or relief controlled by main line fluid condition
- Y10T137/2605—Pressure responsive
- Y10T137/263—Plural sensors for single bypass or relief valve
-
- 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
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)
- Check Valves (AREA)
- Safety Valves (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18327599A JP3162037B2 (ja) | 1999-06-29 | 1999-06-29 | 逆流防止装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG80672A1 true SG80672A1 (en) | 2001-05-22 |
Family
ID=16132816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200000608A SG80672A1 (en) | 1999-06-29 | 2000-02-03 | Reverse flow prevention apparatus |
Country Status (11)
Country | Link |
---|---|
US (1) | US6178998B1 (de) |
JP (1) | JP3162037B2 (de) |
KR (1) | KR100564111B1 (de) |
CN (1) | CN1162763C (de) |
AU (1) | AU777491B2 (de) |
DE (1) | DE10029656B4 (de) |
FR (1) | FR2795800B1 (de) |
GB (1) | GB2351546B (de) |
HK (1) | HK1033687A1 (de) |
SG (1) | SG80672A1 (de) |
TW (1) | TW418295B (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10214747A1 (de) * | 2002-04-03 | 2003-10-16 | Sasserath & Co Kg H | Ventilanordnung für einen Rohrtrenner |
PL359448A1 (en) * | 2002-04-03 | 2003-10-06 | Hans Sasserath & Co Kg | Set of isolating valves for water supply system |
SE524503C2 (sv) * | 2002-06-20 | 2004-08-17 | Durgo Ab | Ventilanordning för att förhindra återströmning av en kontaminerad vätska |
US6959724B2 (en) * | 2002-07-01 | 2005-11-01 | Praxair Technology, Inc. | Multiple regulator vacuum delivery valve assembly |
DE20218121U1 (de) * | 2002-11-22 | 2003-03-27 | Vollmer, Rudolf, 74821 Mosbach | Systemtrenner |
DE10311252B3 (de) * | 2003-03-14 | 2004-12-09 | Alfred Kärcher GmbH & Co KG | Rückflussverhinderer |
DE10335379B9 (de) * | 2003-07-28 | 2005-03-24 | Alfred Kärcher Gmbh & Co. Kg | Rückflußverhinderer |
DE10335380B3 (de) * | 2003-07-28 | 2004-11-25 | Alfred Kärcher Gmbh & Co. Kg | Rückflußverhinderer |
DE102004044850B3 (de) * | 2004-09-10 | 2006-06-22 | Alfred Kärcher Gmbh & Co. Kg | Rückflußverhinderer |
WO2007058484A1 (en) * | 2005-11-18 | 2007-05-24 | Aon Instrument Co., Ltd. | Valve for preventing reverse-flow |
JP5539711B2 (ja) * | 2006-03-21 | 2014-07-02 | ディクソン,マイケル,パトリック | 流体作動式バルブ |
DE102007006285A1 (de) * | 2007-02-01 | 2008-08-07 | Alfred Kärcher Gmbh & Co. Kg | Rückflussverhinderer |
DE202007019441U1 (de) | 2007-02-01 | 2012-08-09 | Alfred Kärcher Gmbh & Co. Kg | Rückflussverhinderer |
GB2448670B (en) * | 2007-04-28 | 2009-06-17 | Baxi Heating Uk Ltd | Valve assembly |
ITMI20090223U1 (it) | 2009-07-02 | 2011-01-03 | Caleffi Spa | Dispositivo valvolare di sconnessione idraulica in materiale plastico |
CN102147026A (zh) * | 2010-02-10 | 2011-08-10 | 天津市国威给排水设备制造有限公司 | 微型倒流防止器 |
CN102062243A (zh) * | 2010-12-21 | 2011-05-18 | 芜湖盛力制动有限责任公司 | 一种汽车及工程机械制动***的溢流阀 |
CN102322541B (zh) * | 2011-09-02 | 2013-08-28 | 陈银周 | 低阻力倒流防止器 |
CN103291979B (zh) * | 2012-02-28 | 2016-04-20 | 上海航天动力科技工程有限公司 | 低开启压力、低流阻、可靠止回的倒流防止器 |
CN103016798A (zh) * | 2012-12-08 | 2013-04-03 | 中国航天科技集团公司第六研究院第十一研究所 | 串联双阀芯高压冗余密封单向阀 |
CN104315205A (zh) * | 2014-10-23 | 2015-01-28 | 天津市国威给排水设备制造有限公司 | 一种防滴漏倒流防止阀 |
SE541730C2 (en) * | 2015-07-02 | 2019-12-03 | 3Eflow Ab | A fluid stop valve unit |
US9429956B1 (en) * | 2016-04-19 | 2016-08-30 | Petrotechnologies, Inc | Modular check valve system |
CN105987207B (zh) * | 2016-05-27 | 2018-03-27 | 杭州春江阀门有限公司 | 微阻力减压型倒流防止器 |
CN106051232B (zh) * | 2016-07-12 | 2018-08-24 | 上海空间推进研究所 | 一种适用于大流量工作范围的单向阀及其工作方法 |
WO2018230159A1 (ja) * | 2017-06-15 | 2018-12-20 | 株式会社鷺宮製作所 | 電動弁および冷凍サイクルシステム |
KR102052817B1 (ko) * | 2018-03-21 | 2019-12-05 | 서천석 | 샤워호스용 역류 방지유닛 |
CN112128431B (zh) * | 2019-06-25 | 2021-08-20 | 宁波方太厨具有限公司 | 单向阀及应用有该单向阀的燃气热水器 |
CN110715058B (zh) * | 2019-10-10 | 2021-08-27 | 北京特种机械研究所 | 一种带载可调电比例大流量单向节流阀 |
RU2744620C1 (ru) * | 2020-08-11 | 2021-03-12 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Клапан обратный |
KR102644731B1 (ko) * | 2023-03-03 | 2024-03-06 | 백용호 | 습도 유지 기능이 구비된 29kV 가스절연 개폐기 시스템 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5132666A (en) * | 1990-09-17 | 1992-07-21 | Travel-Ad, Inc. | Vehicle-mounted electronic display system |
GB2281460A (en) * | 1993-08-25 | 1995-03-01 | Lti Limited | Sign failure detection particularly for a taximeter |
JPH09115012A (ja) * | 1995-10-16 | 1997-05-02 | Yoshiaki Masuno | Gps付タクシーメータおよびその運用方法 |
FR2768877A1 (fr) * | 1997-09-24 | 1999-03-26 | Medium Sl | Systeme d'affichage avec diffusion sans fil de messages vers des moyens d'affichage . |
WO2000026062A1 (en) * | 1998-11-03 | 2000-05-11 | Adapt Media, Inc. | Mobile display system |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892464A (en) * | 1944-11-07 | 1959-06-30 | Harry H Glass | Back flow preventer |
US2503424A (en) * | 1945-01-15 | 1950-04-11 | Leonard L Snyder | Backflow preventer |
US2706488A (en) * | 1950-11-30 | 1955-04-19 | Hersey Mfg Company | Anti-back-flow device |
US3818929A (en) * | 1973-04-23 | 1974-06-25 | H Braukmann | Reduced pressure backflow preventer valve |
CH571673A5 (de) * | 1973-04-23 | 1976-01-15 | Braukmann Armaturen | |
DE2414893C2 (de) * | 1974-03-28 | 1985-01-17 | Honeywell-Braukmann GmbH, 6950 Mosbach | Rückflußverhinderer |
US4013089A (en) * | 1975-09-17 | 1977-03-22 | Braukmann Armaturen Ag | Back flow preventer valve |
US4190071A (en) * | 1977-09-12 | 1980-02-26 | International Telephone And Telegraph Corporation | Backflow prevention devices |
US4232704A (en) * | 1978-03-28 | 1980-11-11 | Amtrol Inc. | In line back flow preventer |
WO1989011611A1 (en) * | 1988-05-18 | 1989-11-30 | Valvtec Pty Ltd | Backflow preventer valve |
US5148828A (en) * | 1991-03-29 | 1992-09-22 | The Ford Meter Box Co., Inc. | Check valve assembly |
JPH0645112Y2 (ja) * | 1991-08-22 | 1994-11-16 | 株式会社清水合金製作所 | 定流量弁 |
JPH0579572A (ja) * | 1991-09-20 | 1993-03-30 | Hitachi Ltd | 高圧ガス逆流防止弁 |
KR950002532B1 (ko) * | 1991-11-22 | 1995-03-21 | 키요하라 마사코 | 라인체크밸브 |
JPH05164258A (ja) * | 1991-12-06 | 1993-06-29 | Benkan Corp | チャッキ弁 |
WO1995000784A1 (en) * | 1993-06-23 | 1995-01-05 | Valvtec Pty. Ltd. | Reduced pressure zone backflow prevention valve |
-
1999
- 1999-06-29 JP JP18327599A patent/JP3162037B2/ja not_active Expired - Lifetime
-
2000
- 2000-02-03 SG SG200000608A patent/SG80672A1/en unknown
- 2000-03-08 GB GB0005601A patent/GB2351546B/en not_active Expired - Lifetime
- 2000-03-08 US US09/521,270 patent/US6178998B1/en not_active Expired - Lifetime
- 2000-03-14 AU AU22276/00A patent/AU777491B2/en not_active Ceased
- 2000-03-22 FR FR0003645A patent/FR2795800B1/fr not_active Expired - Lifetime
- 2000-04-12 KR KR1020000019230A patent/KR100564111B1/ko active IP Right Grant
- 2000-04-15 TW TW089107086A patent/TW418295B/zh not_active IP Right Cessation
- 2000-06-01 CN CNB001090240A patent/CN1162763C/zh not_active Expired - Lifetime
- 2000-06-16 DE DE10029656A patent/DE10029656B4/de not_active Expired - Lifetime
-
2001
- 2001-06-19 HK HK01104224A patent/HK1033687A1/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5132666A (en) * | 1990-09-17 | 1992-07-21 | Travel-Ad, Inc. | Vehicle-mounted electronic display system |
GB2281460A (en) * | 1993-08-25 | 1995-03-01 | Lti Limited | Sign failure detection particularly for a taximeter |
JPH09115012A (ja) * | 1995-10-16 | 1997-05-02 | Yoshiaki Masuno | Gps付タクシーメータおよびその運用方法 |
FR2768877A1 (fr) * | 1997-09-24 | 1999-03-26 | Medium Sl | Systeme d'affichage avec diffusion sans fil de messages vers des moyens d'affichage . |
WO2000026062A1 (en) * | 1998-11-03 | 2000-05-11 | Adapt Media, Inc. | Mobile display system |
Also Published As
Publication number | Publication date |
---|---|
GB2351546A (en) | 2001-01-03 |
KR100564111B1 (ko) | 2006-03-27 |
KR20010014725A (ko) | 2001-02-26 |
FR2795800B1 (fr) | 2005-02-25 |
GB0005601D0 (en) | 2000-05-03 |
JP3162037B2 (ja) | 2001-04-25 |
US6178998B1 (en) | 2001-01-30 |
CN1279370A (zh) | 2001-01-10 |
CN1162763C (zh) | 2004-08-18 |
AU777491B2 (en) | 2004-10-21 |
DE10029656A1 (de) | 2001-01-04 |
TW418295B (en) | 2001-01-11 |
DE10029656B4 (de) | 2007-08-23 |
GB2351546B (en) | 2003-09-24 |
HK1033687A1 (en) | 2001-09-14 |
AU2227600A (en) | 2001-01-04 |
FR2795800A1 (fr) | 2001-01-05 |
JP2001012629A (ja) | 2001-01-16 |
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