CA1025836A - Closing assist for valves - Google Patents
Closing assist for valvesInfo
- Publication number
- CA1025836A CA1025836A CA230,855A CA230855A CA1025836A CA 1025836 A CA1025836 A CA 1025836A CA 230855 A CA230855 A CA 230855A CA 1025836 A CA1025836 A CA 1025836A
- Authority
- CA
- Canada
- Prior art keywords
- est
- pile
- chrome
- positive
- une
- 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
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 8
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 230000001934 delay Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000825 Fique Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000708948 Solva Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
- F16K39/024—Devices for relieving the pressure on the sealing faces for lift valves using an auxiliary valve on 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49061674A | 1974-07-22 | 1974-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1025836A true CA1025836A (en) | 1978-02-07 |
Family
ID=23948801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA230,855A Expired CA1025836A (en) | 1974-07-22 | 1975-07-04 | Closing assist for valves |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5131924A (enrdf_load_stackoverflow) |
| CA (1) | CA1025836A (enrdf_load_stackoverflow) |
| CH (1) | CH591035A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2532651A1 (enrdf_load_stackoverflow) |
| ES (1) | ES439653A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2280009A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1513779A (enrdf_load_stackoverflow) |
| IT (1) | IT1044009B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2811879C2 (de) * | 1978-03-18 | 1982-04-15 | Carl Heinz Dipl.-Ing. 4050 Mönchengladbach Häfele | Eigenmediumgesteuertes Schaltventil |
| CN101398099B (zh) * | 2008-11-17 | 2010-12-08 | 浙江大农实业有限公司 | 压差式卸压阀 |
| CN104676027A (zh) * | 2015-01-29 | 2015-06-03 | 成都绿迪科技有限公司 | 一种液压平板阀 |
| CN107387786B (zh) * | 2017-03-02 | 2023-04-28 | 成都凯远流体控制工程有限公司 | 兼具良好密封性的多功能压力/流量控制阀及其操作方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1168720B (de) * | 1961-09-20 | 1964-04-23 | Ver Armaturen Gmbh | Schlauchabsperrventil |
| US3182971A (en) * | 1963-10-21 | 1965-05-11 | St Regis Paper Co | Homogenizing valve control |
| DE1550065B1 (de) * | 1966-05-10 | 1970-10-15 | Acf Ind Inc | Einrichtung zur Steuerung der Be- und Entladung von entfernt von der Kueste an einer Boje od.dgl. anlegenden Tankschiffen |
| LU56736A1 (enrdf_load_stackoverflow) * | 1968-08-19 | 1968-11-21 | ||
| DE2011713A1 (de) * | 1970-03-12 | 1971-09-30 | Bosch Gmbh Robert | Verstelleinrichtung fuer einen hydraulikkolben mit pulslaengenmodulierten steuersignalen |
| JPS498970A (enrdf_load_stackoverflow) * | 1972-05-26 | 1974-01-26 |
-
1975
- 1975-07-04 CA CA230,855A patent/CA1025836A/en not_active Expired
- 1975-07-21 GB GB3049275A patent/GB1513779A/en not_active Expired
- 1975-07-21 IT IT2562375A patent/IT1044009B/it active
- 1975-07-22 JP JP8956575A patent/JPS5131924A/ja active Granted
- 1975-07-22 ES ES439653A patent/ES439653A1/es not_active Expired
- 1975-07-22 DE DE19752532651 patent/DE2532651A1/de active Granted
- 1975-07-22 FR FR7522827A patent/FR2280009A1/fr active Granted
- 1975-07-22 CH CH958475A patent/CH591035A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH591035A5 (enrdf_load_stackoverflow) | 1977-08-31 |
| FR2280009B1 (enrdf_load_stackoverflow) | 1983-02-04 |
| DE2532651A1 (de) | 1976-02-05 |
| IT1044009B (it) | 1980-02-29 |
| JPS5131924A (ja) | 1976-03-18 |
| DE2532651C2 (enrdf_load_stackoverflow) | 1987-09-10 |
| ES439653A1 (es) | 1977-03-01 |
| GB1513779A (en) | 1978-06-07 |
| JPS5429728B2 (enrdf_load_stackoverflow) | 1979-09-26 |
| FR2280009A1 (fr) | 1976-02-20 |
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