GB1428843A - Flow control valve - Google Patents
Flow control valveInfo
- Publication number
- GB1428843A GB1428843A GB1395673A GB1395673A GB1428843A GB 1428843 A GB1428843 A GB 1428843A GB 1395673 A GB1395673 A GB 1395673A GB 1395673 A GB1395673 A GB 1395673A GB 1428843 A GB1428843 A GB 1428843A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spool
- fluid
- flow member
- controls
- opening
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Flow Control (AREA)
Abstract
1428843 Valves ABEX CORP 22 March 1973 [8 June 1972] 13956/73 Heading F2V A control valve for maintaining constant flow from a pump 18 to a motor 40 comprises a control flow member 11 and a compensating structure 15 co-operating with the flow member to maintain a constant pressure drop across it, characterized by regulating means 13 which controls the rate of opening of the flow member. Fluid from inlet 12 flows to pressure chambers 66 and 98 and lifts the pairs of spools 62, 88. An adjustable needle valve 106 controls the rate of opening of the spool 88 whilst fluid pressure build up in a compensator chamber 74 controls the equilibrium position of the spool 62. The maximum opening of spool 88 is determined by an adjustable stop 82. Excess fluid is returned to the reservoir 22 via port 16. In operation, for a fixed opening of the spool 88 the compensating spool 62 moves in such a way to keep the pressure difference across the flow member 11 constant even with variations in fluid pressure at the inlet 12 and outlet 14. In an alternative embodiment there is no outlet port 16 through which fluid is returned to the reservoir 22. Instead, the spool of the compensating arrangement controls the flow of fluid to the control flow member 11.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26094672A | 1972-06-08 | 1972-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1428843A true GB1428843A (en) | 1976-03-17 |
Family
ID=22991308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1395673A Expired GB1428843A (en) | 1972-06-08 | 1973-03-22 | Flow control valve |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4930922A (en) |
| CA (1) | CA989274A (en) |
| DE (1) | DE2316504C2 (en) |
| FR (1) | FR2202251B1 (en) |
| GB (1) | GB1428843A (en) |
| IT (1) | IT982985B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2129168A (en) * | 1982-10-27 | 1984-05-10 | Kuhnke Elektrotechnik | Pneumatic timing valves |
| FR2591320A1 (en) * | 1985-12-10 | 1987-06-12 | Vaillant Sarl | HYDRAULIC SWITCH |
| CN110332347A (en) * | 2019-07-16 | 2019-10-15 | 咸宁南玻玻璃有限公司 | A kind of pressure-control valve in liquefied ammonia hydrogen generating system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53165704U (en) * | 1977-05-31 | 1978-12-26 | ||
| CN109506025B (en) * | 2018-12-19 | 2020-05-29 | 四川中车玉柴发动机股份有限公司 | Pressure reducing valve with multi-stage structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336941A (en) * | 1964-11-09 | 1967-08-22 | Marcia K English | Constant volume flow control valve |
| US3406714A (en) * | 1966-07-07 | 1968-10-22 | Abex Corp | Anti-surge flow control valve |
-
1973
- 1973-01-23 CA CA161,886A patent/CA989274A/en not_active Expired
- 1973-02-02 JP JP1360773A patent/JPS4930922A/ja active Pending
- 1973-02-27 FR FR7306918A patent/FR2202251B1/fr not_active Expired
- 1973-03-22 GB GB1395673A patent/GB1428843A/en not_active Expired
- 1973-04-03 DE DE19732316504 patent/DE2316504C2/en not_active Expired
- 1973-04-05 IT IT4927673A patent/IT982985B/en active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2129168A (en) * | 1982-10-27 | 1984-05-10 | Kuhnke Elektrotechnik | Pneumatic timing valves |
| FR2591320A1 (en) * | 1985-12-10 | 1987-06-12 | Vaillant Sarl | HYDRAULIC SWITCH |
| GB2184815A (en) * | 1985-12-10 | 1987-07-01 | Vaillant Joh Gmbh & Co | Water-actuated controller |
| GB2184815B (en) * | 1985-12-10 | 1989-10-25 | Vaillant Joh Gmbh & Co | Water-actuated controller |
| CN110332347A (en) * | 2019-07-16 | 2019-10-15 | 咸宁南玻玻璃有限公司 | A kind of pressure-control valve in liquefied ammonia hydrogen generating system |
| CN110332347B (en) * | 2019-07-16 | 2024-03-26 | 咸宁南玻玻璃有限公司 | Pressure control valve in liquid ammonia hydrogen production system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2202251A1 (en) | 1974-05-03 |
| JPS4930922A (en) | 1974-03-19 |
| FR2202251B1 (en) | 1979-01-12 |
| CA989274A (en) | 1976-05-18 |
| DE2316504A1 (en) | 1973-12-20 |
| IT982985B (en) | 1974-10-21 |
| DE2316504C2 (en) | 1983-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19930321 |