LU75262A1 - - Google Patents
Info
- Publication number
- LU75262A1 LU75262A1 LU75262A LU75262A LU75262A1 LU 75262 A1 LU75262 A1 LU 75262A1 LU 75262 A LU75262 A LU 75262A LU 75262 A LU75262 A LU 75262A LU 75262 A1 LU75262 A1 LU 75262A1
- Authority
- LU
- Luxembourg
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
- 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)
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 (fi) | 1977-03-18 |
Family
ID=24431861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU75262A LU75262A1 (fi) | 1975-08-25 | 1976-06-28 |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US4005732A (fi) |
| JP (1) | JPS5226629A (fi) |
| BE (1) | BE843479A (fi) |
| BR (1) | BR7604221A (fi) |
| CA (1) | CA1031234A (fi) |
| CH (1) | CH608285A5 (fi) |
| DE (2) | DE2629514A1 (fi) |
| DK (1) | DK289576A (fi) |
| ES (1) | ES449336A1 (fi) |
| FR (1) | FR2322317A1 (fi) |
| GB (1) | GB1499295A (fi) |
| IE (1) | IE42869B1 (fi) |
| IL (1) | IL49892A (fi) |
| IT (1) | IT1066564B (fi) |
| LU (1) | LU75262A1 (fi) |
| MX (1) | MX143113A (fi) |
| NL (1) | NL158903B (fi) |
| PT (1) | PT65284B (fi) |
| SE (1) | SE422984B (fi) |
| ZA (1) | ZA763733B (fi) |
Families Citing this family (25)
| 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 (fi) * | 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 |
| DK3516278T3 (da) * | 2016-09-26 | 2022-01-31 | Fluid Handling Llc | Kontureret kontraventilskive til lavt revnedannelsestryk |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US303702A (en) * | 1884-08-19 | oaeeicabuetj | ||
| US3127148A (en) * | 1964-03-31 | Valved coupling | ||
| 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 IE IE1347/76A patent/IE42869B1/en unknown
- 1976-06-22 GB GB2594776A patent/GB1499295A/en not_active Expired
- 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 BR BR7604221A patent/BR7604221A/pt unknown
- 1976-06-28 IT IT5019076A patent/IT1066564B/it active
- 1976-06-28 ES ES449336A patent/ES449336A1/es not_active Expired
- 1976-06-28 LU LU75262A patent/LU75262A1/xx unknown
- 1976-06-28 DE DE19762629514 patent/DE2629514A1/de active Pending
- 1976-06-28 MX MX165288A patent/MX143113A/es unknown
- 1976-06-28 CH CH825476A patent/CH608285A5/xx not_active IP Right Cessation
- 1976-06-28 FR FR7619576A patent/FR2322317A1/fr active Granted
- 1976-06-28 DE DE19767620774U patent/DE7620774U1/de not_active Expired
- 1976-06-28 BE BE1007476A patent/BE843479A/xx not_active IP Right Cessation
- 1976-06-28 PT PT6528476A patent/PT65284B/pt unknown
- 1976-06-28 SE SE7607342A patent/SE422984B/xx not_active IP Right Cessation
- 1976-06-28 CA CA255,834A patent/CA1031234A/en not_active Expired
- 1976-06-29 JP JP7697876A patent/JPS5226629A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1499295A (en) | 1978-01-25 |
| US4005732A (en) | 1977-02-01 |
| IE42869B1 (en) | 1980-11-05 |
| IT1066564B (it) | 1985-03-12 |
| BE843479A (fr) | 1976-12-28 |
| IL49892A0 (en) | 1976-08-31 |
| NL158903B (nl) | 1978-12-15 |
| JPS5412648B2 (fi) | 1979-05-24 |
| DE7620774U1 (de) | 1980-03-20 |
| DK289576A (da) | 1977-02-26 |
| CA1031234A (en) | 1978-05-16 |
| SE7607342L (sv) | 1977-02-26 |
| IE42869L (en) | 1977-02-25 |
| BR7604221A (pt) | 1977-04-05 |
| PT65284A (en) | 1976-07-01 |
| FR2322317A1 (fr) | 1977-03-25 |
| ZA763733B (en) | 1977-05-25 |
| PT65284B (en) | 1977-12-13 |
| IL49892A (en) | 1979-03-12 |
| ES449336A1 (es) | 1977-12-01 |
| SE422984B (sv) | 1982-04-05 |
| DE2629514A1 (de) | 1977-03-03 |
| NL7607032A (nl) | 1977-03-01 |
| FR2322317B1 (fi) | 1982-11-26 |
| JPS5226629A (en) | 1977-02-28 |
| CH608285A5 (fi) | 1978-12-29 |
| MX143113A (es) | 1981-03-18 |