GB1527056A - Fluid seals - Google Patents
Fluid sealsInfo
- Publication number
- GB1527056A GB1527056A GB27742/76A GB2774276A GB1527056A GB 1527056 A GB1527056 A GB 1527056A GB 27742/76 A GB27742/76 A GB 27742/76A GB 2774276 A GB2774276 A GB 2774276A GB 1527056 A GB1527056 A GB 1527056A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- spool
- seals
- drilling
- connects
- 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
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/028—Controlling a pressure difference
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
1527056 Valves; seals FLEXIBOX Ltd 19 May 1977 [30 June 1976] 27742/76 Headings F2V and F2B The differential-area spool 31 of a fluid actuated valve has a first drilling 34, 35 which, in the position of the spool, connects the end chambers 32, 33 of the valve housing, and a second drilling 37, 38 which, in a second position of the spool, connects the chamber 33 with a vent 40. The valve is coupled between primary and secondary fluid seals 11, 12, each of which comprises a circulatory fluid system, the valve serving to maintain a desired pressure difference between the two systems. Rotatable seal rings 17, 18 effect circulation in the systems.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB27742/76A GB1527056A (en) | 1977-05-19 | 1977-05-19 | Fluid seals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB27742/76A GB1527056A (en) | 1977-05-19 | 1977-05-19 | Fluid seals |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1527056A true GB1527056A (en) | 1978-10-04 |
Family
ID=10264527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27742/76A Expired GB1527056A (en) | 1977-05-19 | 1977-05-19 | Fluid seals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1527056A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4460181A (en) * | 1980-06-26 | 1984-07-17 | Toyo Denki Kogyosho Co., Ltd. | Method and mechanism for controlling the pressure at shaft-sealing part of an apparatus |
GB2222229A (en) * | 1988-08-23 | 1990-02-28 | Ferranti Int Signal | Fluid control valve |
CN112728118A (en) * | 2020-12-25 | 2021-04-30 | 天津信望爱科技有限公司 | Magnetic control valve |
-
1977
- 1977-05-19 GB GB27742/76A patent/GB1527056A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4460181A (en) * | 1980-06-26 | 1984-07-17 | Toyo Denki Kogyosho Co., Ltd. | Method and mechanism for controlling the pressure at shaft-sealing part of an apparatus |
GB2222229A (en) * | 1988-08-23 | 1990-02-28 | Ferranti Int Signal | Fluid control valve |
GB2222229B (en) * | 1988-08-23 | 1992-09-16 | Ferranti Int Signal | Fluid control valve |
CN112728118A (en) * | 2020-12-25 | 2021-04-30 | 天津信望爱科技有限公司 | Magnetic control valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |