FR2489466B1 - - Google Patents
Info
- Publication number
- FR2489466B1 FR2489466B1 FR8114365A FR8114365A FR2489466B1 FR 2489466 B1 FR2489466 B1 FR 2489466B1 FR 8114365 A FR8114365 A FR 8114365A FR 8114365 A FR8114365 A FR 8114365A FR 2489466 B1 FR2489466 B1 FR 2489466B1
- Authority
- FR
- France
- 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
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
- 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
- F16K17/10—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 with auxiliary valve for fluid operation of the main 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
- 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
- F16K17/10—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 with auxiliary valve for fluid operation of the main valve
- F16K17/105—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 with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/172,399 US4316598A (en) | 1980-07-25 | 1980-07-25 | Balanced relief valve with novel seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2489466A1 FR2489466A1 (fr) | 1982-03-05 |
| FR2489466B1 true FR2489466B1 (US20020051482A1-20020502-M00012.png) | 1985-01-04 |
Family
ID=22627552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8114365A Granted FR2489466A1 (fr) | 1980-07-25 | 1981-07-23 | Soupape de detente equilibree avec nouveau joint |
Country Status (14)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320750A (en) * | 1988-09-07 | 1994-06-14 | Milos Krofta | Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| US6510867B2 (en) * | 1999-09-03 | 2003-01-28 | Lafleur Petroleum Services, Inc. | Pressure relief valve |
| US6386227B1 (en) * | 1999-09-14 | 2002-05-14 | Flow Safe, Inc. | Non-flowing pilot valve |
| JP2003166655A (ja) * | 2001-09-19 | 2003-06-13 | Smc Corp | ポペット形弁シール機構 |
| TWI420039B (zh) * | 2011-02-21 | 2013-12-21 | Maxchip Electronics Corp | 止回閥及真空系統 |
| CN102620017A (zh) * | 2012-03-29 | 2012-08-01 | 天正阀门有限公司 | 高压电磁气控泄压阀 |
| US20140001393A1 (en) * | 2012-06-30 | 2014-01-02 | Patricia Selcher | Drop-in containment sleeve |
| AR099388A1 (es) | 2014-01-17 | 2016-07-20 | Pentair Flow Services Ag | Válvula de alivio de baja presión operada por piloto |
| US10876636B2 (en) | 2015-12-03 | 2020-12-29 | Engineered Controls International, Llc | Leak resistant and serviceable receptacle |
| CN110030412B (zh) * | 2019-03-08 | 2024-06-04 | 哈电集团哈尔滨电站阀门有限公司 | 一种大口径多级先导式安全阀 |
| GB2590981A (en) * | 2020-01-13 | 2021-07-14 | Ofip Ltd | Fluid flow device |
| US11306838B2 (en) * | 2020-03-27 | 2022-04-19 | Dresser, Llc | Pilot-operated pressure relief valve nozzle |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA714339A (en) * | 1965-07-27 | T. Clark Howard | Regulator valve | |
| US2616653A (en) * | 1947-09-15 | 1952-11-04 | Phillips Petroleum Co | Positive shutoff valve |
| US2655936A (en) * | 1950-02-21 | 1953-10-20 | Westinghouse Electric Corp | Valve assembly |
| GB983178A (en) * | 1963-05-10 | 1965-02-10 | Shipham & Company Ltd | Improvements in and relating to fluid flow control valves |
| US3512560A (en) * | 1968-02-19 | 1970-05-19 | Anderson Greenwood & Co | Relief valve |
| US3595263A (en) * | 1968-12-26 | 1971-07-27 | Crosby Valve & Gage | Pilot actuated unbalanced piston relief valve |
| US3568706A (en) * | 1969-02-06 | 1971-03-09 | Anderson Greenwood & Co | Pressure relieving system |
| US3664362A (en) * | 1969-02-06 | 1972-05-23 | Anderson Greenwood & Co | Pilot valve |
| JPS522327B1 (US20020051482A1-20020502-M00012.png) * | 1970-12-12 | 1977-01-21 | ||
| US3951381A (en) * | 1974-06-12 | 1976-04-20 | Whitener Robert V | Disc valves |
| US4132386A (en) * | 1977-08-22 | 1979-01-02 | Lee Eugene O | Valve mechanism for a control valve |
| US4192483A (en) * | 1978-12-20 | 1980-03-11 | Grove Valve And Regulator Company | One piece seat ring with O-ring seal |
| US4245663A (en) * | 1979-06-29 | 1981-01-20 | Fmc Corporation | Valve with condensate recovery device |
-
1980
- 1980-07-25 US US06/172,399 patent/US4316598A/en not_active Expired - Lifetime
-
1981
- 1981-04-22 CA CA000375899A patent/CA1166117A/en not_active Expired
- 1981-04-24 IN IN256/DEL/81A patent/IN156068B/en unknown
- 1981-04-24 AU AU69837/81A patent/AU543505B2/en not_active Ceased
- 1981-05-04 SE SE8102766A patent/SE439674B/sv not_active IP Right Cessation
- 1981-05-18 NL NL8102420A patent/NL8102420A/nl not_active Application Discontinuation
- 1981-05-21 GB GB8115663A patent/GB2080495B/en not_active Expired
- 1981-06-24 MX MX187959A patent/MX153028A/es unknown
- 1981-07-15 IT IT2294781A patent/IT1138066B/it active
- 1981-07-17 BR BR8104595A patent/BR8104595A/pt unknown
- 1981-07-17 JP JP11204981A patent/JPS5751071A/ja active Pending
- 1981-07-23 FR FR8114365A patent/FR2489466A1/fr active Granted
- 1981-07-24 DE DE19813129346 patent/DE3129346A1/de not_active Withdrawn
- 1981-07-25 KR KR1019810002698A patent/KR840001250B1/ko active
Also Published As
| Publication number | Publication date |
|---|---|
| AU543505B2 (en) | 1985-04-26 |
| CA1166117A (en) | 1984-04-24 |
| NL8102420A (nl) | 1982-02-16 |
| IT1138066B (it) | 1986-09-10 |
| SE8102766L (sv) | 1982-01-26 |
| IN156068B (US20020051482A1-20020502-M00012.png) | 1985-05-04 |
| KR840001250B1 (ko) | 1984-08-23 |
| GB2080495B (en) | 1984-06-06 |
| GB2080495A (en) | 1982-02-03 |
| IT8122947A0 (it) | 1981-07-15 |
| MX153028A (es) | 1986-07-21 |
| JPS5751071A (en) | 1982-03-25 |
| FR2489466A1 (fr) | 1982-03-05 |
| BR8104595A (pt) | 1982-04-06 |
| US4316598A (en) | 1982-02-23 |
| AU6983781A (en) | 1982-01-28 |
| SE439674B (sv) | 1985-06-24 |
| DE3129346A1 (de) | 1982-08-05 |
| KR830006610A (ko) | 1983-09-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |