IT1029326B - Valvola per prevenire il riflusso nella riduzione di pressione - Google Patents
Valvola per prevenire il riflusso nella riduzione di pressioneInfo
- Publication number
- IT1029326B IT1029326B IT83376/74A IT8337674A IT1029326B IT 1029326 B IT1029326 B IT 1029326B IT 83376/74 A IT83376/74 A IT 83376/74A IT 8337674 A IT8337674 A IT 8337674A IT 1029326 B IT1029326 B IT 1029326B
- Authority
- IT
- Italy
- Prior art keywords
- valve
- pressure reduction
- prevent backflow
- backflow
- prevent
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
-
- 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
- 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
-
- 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
- Y10T137/3149—Back flow prevention by vacuum breaking [e.g., anti-siphon devices]
- Y10T137/3185—Air vent in liquid flow line
- Y10T137/3294—Valved
- Y10T137/3331—With co-acting valve in liquid flow path
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)
- Multiple-Way Valves (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00353334A US3818929A (en) | 1973-04-23 | 1973-04-23 | Reduced pressure backflow preventer valve |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1029326B true IT1029326B (it) | 1979-03-10 |
Family
ID=23388678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT83376/74A IT1029326B (it) | 1973-04-23 | 1974-07-10 | Valvola per prevenire il riflusso nella riduzione di pressione |
Country Status (9)
Country | Link |
---|---|
US (1) | US3818929A (it) |
JP (1) | JPS5063530A (it) |
AT (1) | AT329463B (it) |
BE (1) | BE814065A (it) |
CH (1) | CH572182A5 (it) |
FR (1) | FR2226598B1 (it) |
GB (1) | GB1438090A (it) |
IT (1) | IT1029326B (it) |
NL (1) | NL7405396A (it) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3918477A (en) * | 1974-09-03 | 1975-11-11 | Surgical Mechanical Research I | Backflow preventing device |
USRE30849E (en) * | 1975-02-07 | 1982-01-19 | Jaclo, Inc. | Anti-siphon and backflow prevention valve |
US4090526A (en) * | 1975-04-07 | 1978-05-23 | Mojonnier Bros. Co. | Gas pressure stabilizer system and valve |
US4013088A (en) * | 1975-05-19 | 1977-03-22 | Braukmann Armaturen Ag | Valve structure |
US4013089A (en) * | 1975-09-17 | 1977-03-22 | Braukmann Armaturen Ag | Back flow preventer valve |
US4241752A (en) * | 1978-05-30 | 1980-12-30 | Watts Regulator Company | Backflow preventer |
US4523607A (en) * | 1982-05-28 | 1985-06-18 | Mueller Co. | Backflow preventer apparatus |
US4489746A (en) * | 1982-05-28 | 1984-12-25 | Mueller Co. | Backflow preventer apparatus |
US4671786A (en) * | 1982-09-22 | 1987-06-09 | C. R. Bard, Inc. | Overpressure safety valve |
FR2630696B1 (fr) * | 1988-04-28 | 1990-07-13 | Bendix France | Valve de decharge rapide, en particulier pour dispositif de freinage a air comprime et dispositif de freinage equipe de cette valve |
WO1989011611A1 (en) * | 1988-05-18 | 1989-11-30 | Valvtec Pty Ltd | Backflow preventer valve |
CH681164A5 (it) * | 1989-12-13 | 1993-01-29 | Karrer Weber & Cie Ag | |
CH681029A5 (it) * | 1990-03-02 | 1992-12-31 | Karrer Weber & Cie Ag | |
CH682682A5 (de) * | 1990-05-08 | 1993-10-29 | Karrer Weber & Cie Ag | Sanitäre Armatur. |
WO1995000784A1 (en) * | 1993-06-23 | 1995-01-05 | Valvtec Pty. Ltd. | Reduced pressure zone backflow prevention valve |
EP0639675B1 (de) * | 1993-08-17 | 1997-09-24 | Kwc Ag | Rückflussverhinderer |
US5575424A (en) * | 1994-10-20 | 1996-11-19 | Kohler Co. | Vacuum breaker for faucets |
US5566704A (en) * | 1995-01-06 | 1996-10-22 | Watts Investment Company | Backflow preventer and test cock assembly |
DE29605420U1 (de) * | 1996-03-23 | 1996-06-13 | Festo Kg, 73734 Esslingen | Schnellentlüftungsventil für pneumatische Anwendungen |
US5707356A (en) * | 1996-04-30 | 1998-01-13 | Medtronic, Inc. | Pressure relief valve |
DE19902574C1 (de) | 1999-01-22 | 2000-10-05 | Rudolf Vollmer | Systemtrenner |
JP3162037B2 (ja) * | 1999-06-29 | 2001-04-25 | 兼工業株式会社 | 逆流防止装置 |
US6397878B1 (en) * | 1999-08-05 | 2002-06-04 | Watts Regulator Co. | High pressure hose drop backflow/back siphonage preventers |
JP3514684B2 (ja) * | 1999-12-22 | 2004-03-31 | 兼工業株式会社 | 水撃防止装置 |
DE10107247A1 (de) * | 2001-02-16 | 2002-08-22 | Kludi Armaturen Scheffer Vertr | Wasserleitungselement mit Rückflussverhinderer |
DE10128435A1 (de) * | 2001-06-12 | 2002-12-19 | Sasserath & Co Kg H | Rohrtrenner |
PL359448A1 (en) * | 2002-04-03 | 2003-10-06 | Hans Sasserath & Co Kg | Set of isolating valves for water supply system |
DE10311252B3 (de) * | 2003-03-14 | 2004-12-09 | Alfred Kärcher GmbH & Co KG | Rückflussverhinderer |
US7784483B2 (en) * | 2005-01-21 | 2010-08-31 | Zurn Industries, Llc | Backflow preventer |
KR100906434B1 (ko) * | 2005-03-10 | 2009-07-09 | 가부시키가이샤 다이요 | 변환밸브장치 및 유체압 실린더장치 |
DE202005020081U1 (de) * | 2005-12-21 | 2006-03-09 | Honeywell Technologies Sarl Ecc | Systemtrenner und Anordnungen mit einem solchen Systemtrenner |
CN2915968Y (zh) * | 2006-06-08 | 2007-06-27 | 上海澳柯林水暖器材有限公司 | 冲水阀防虹吸装置 |
US8056575B2 (en) * | 2007-07-30 | 2011-11-15 | Kun-Shan Hsu | Check valve structure for use in pump of hydraulic cylinder |
CN102159861B (zh) * | 2008-08-25 | 2013-07-17 | 瓦尔那布有限公司 | 减压阀-通气部组件 |
US8545190B2 (en) * | 2010-04-23 | 2013-10-01 | Lawrence Osborne | Valve with shuttle for use in a flow management system |
US9759041B2 (en) | 2010-04-23 | 2017-09-12 | Lawrence Osborne | Valve with pump rotor passage for use in downhole production strings |
US10030644B2 (en) | 2010-04-23 | 2018-07-24 | Lawrence Osborne | Flow router with retrievable valve assembly |
US9320846B2 (en) | 2012-08-28 | 2016-04-26 | Osprey Medical, Inc. | Devices and methods for modulating medium delivery |
US11219719B2 (en) | 2012-08-28 | 2022-01-11 | Osprey Medical, Inc. | Volume monitoring systems |
US9999718B2 (en) | 2012-08-28 | 2018-06-19 | Osprey Medical, Inc. | Volume monitoring device utilizing light-based systems |
US11116892B2 (en) | 2012-08-28 | 2021-09-14 | Osprey Medical, Inc. | Medium injection diversion and measurement |
US10413677B2 (en) | 2012-08-28 | 2019-09-17 | Osprey Medical, Inc. | Volume monitoring device |
US10022497B2 (en) | 2012-08-28 | 2018-07-17 | Osprey Medical, Inc. | Reservoir for collection and reuse of diverted medium |
US10010673B2 (en) | 2012-08-28 | 2018-07-03 | Osprey Medical, Inc. | Adjustable medium diverter |
US9504214B1 (en) * | 2014-10-06 | 2016-11-29 | Bryan L. Towsley | Anti-siphon valve with freeze protection |
US9689364B2 (en) | 2015-08-03 | 2017-06-27 | Caterpillar Inc. | Vented high pressure valve |
CN111512077A (zh) | 2017-12-22 | 2020-08-07 | 费森尤斯医疗护理德国有限责任公司 | 回流防止装置及具有该回流防止装置的透析设备 |
US11499841B2 (en) | 2019-04-12 | 2022-11-15 | Osprey Medical, Inc. | Energy-efficient position determining with multiple sensors |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2603231A (en) * | 1952-07-15 | Pressure relief valve | ||
US2946186A (en) * | 1956-02-10 | 1960-07-26 | Thompson Ramo Wooldridge Inc | Balanced regulator valve |
US3171423A (en) * | 1961-07-24 | 1965-03-02 | Watts Regulator Co | Combination anti-siphon valve and backflow preventer |
US3636968A (en) * | 1970-10-05 | 1972-01-25 | Watts Regulator Co | Cross-connection control valve |
-
1973
- 1973-04-23 US US00353334A patent/US3818929A/en not_active Expired - Lifetime
-
1974
- 1974-04-19 FR FR7413770A patent/FR2226598B1/fr not_active Expired
- 1974-04-19 GB GB1724674A patent/GB1438090A/en not_active Expired
- 1974-04-20 NL NL7405396A patent/NL7405396A/xx not_active Application Discontinuation
- 1974-04-23 AT AT336174A patent/AT329463B/de not_active IP Right Cessation
- 1974-04-23 JP JP49045914A patent/JPS5063530A/ja active Pending
- 1974-04-23 BE BE143506A patent/BE814065A/xx unknown
- 1974-04-23 CH CH556274A patent/CH572182A5/xx not_active IP Right Cessation
- 1974-07-10 IT IT83376/74A patent/IT1029326B/it active
Also Published As
Publication number | Publication date |
---|---|
BE814065A (fr) | 1974-08-16 |
FR2226598B1 (it) | 1977-10-14 |
FR2226598A1 (it) | 1974-11-15 |
AT329463B (de) | 1976-05-10 |
US3818929A (en) | 1974-06-25 |
ATA336174A (de) | 1975-07-15 |
NL7405396A (it) | 1974-10-25 |
GB1438090A (en) | 1976-06-03 |
JPS5063530A (it) | 1975-05-30 |
CH572182A5 (it) | 1976-01-30 |
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