GB689383A - Hydraulic control valve - Google Patents
Hydraulic control valveInfo
- Publication number
- GB689383A GB689383A GB2411349A GB2411349A GB689383A GB 689383 A GB689383 A GB 689383A GB 2411349 A GB2411349 A GB 2411349A GB 2411349 A GB2411349 A GB 2411349A GB 689383 A GB689383 A GB 689383A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- ports
- brakes
- piston
- exhaust
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
689,383. Fluid-actuated valves. DUNLOP RUBBER CO., Ltd., and DEWAR, D. Aug. 4, 1950 [Sept. 20, 1949], No. 24113/49. Class 135 [Also in Group XXXIV] A hydraulic control valve, e.g. for aircraft brakes or flaps, comprises a housing 1 with connections 10, 11, 12, to exhaust, the brakes or other mechanism, and a source of pressure respectively, a ported liner 6 in a bore 2 in the housing, a sleeve 13 slidable in the liner and having ports 16a ... 16c and recesses 15a .. 15c permitting communication of the connections 10, 11, 12 with the interior of the sleeve, a piston valve having lands 24, 25 slidable in the sleeve and movable manually against a spring 31, and a loading spring 30 for the sleeve. Movement of the piston valve to the right by a stem 28 first closes ports 16a and then opens ports 16c connecting the pressure source to the brakes. Pressure builds up in the connection 11 and acts through bores 22, 23, on a piston 18 which moves the sleeve 13 against the spring 30 to close the ports 16c. Increased braking is obtained by moving the piston valve further to the right. Leakage past the valve collects in a chamber 3 and thence passes through a bore 32 in the piston valve to the recess 15a and the exhaust connection 10. An increase of pressure in the connection 11 due, e.g. to a rise in temperature, causes the piston 18 to move the sleeve to open the exhaust ports 16a to relieve the excess pressure. When the stem 28 is released, the springs 30, 31 move the sleeve and piston valve to close the ports 16c and connect the brakes to exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2411349A GB689383A (en) | 1949-09-20 | 1949-09-20 | Hydraulic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2411349A GB689383A (en) | 1949-09-20 | 1949-09-20 | Hydraulic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB689383A true GB689383A (en) | 1953-03-25 |
Family
ID=10206572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2411349A Expired GB689383A (en) | 1949-09-20 | 1949-09-20 | Hydraulic control valve |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB689383A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1325854A2 (en) * | 2001-12-31 | 2003-07-09 | ROBERT BOSCH GmbH | Pneumatic actuator for testing a servo-motor |
| CN114413035A (en) * | 2022-01-27 | 2022-04-29 | 西派集团有限公司 | Anti-scouring adjustable high-pressure throttle valve suitable for oil and gas fields |
-
1949
- 1949-09-20 GB GB2411349A patent/GB689383A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1325854A2 (en) * | 2001-12-31 | 2003-07-09 | ROBERT BOSCH GmbH | Pneumatic actuator for testing a servo-motor |
| EP1325854A3 (en) * | 2001-12-31 | 2010-06-30 | ROBERT BOSCH GmbH | Pneumatic actuator for testing a servo-motor |
| CN114413035A (en) * | 2022-01-27 | 2022-04-29 | 西派集团有限公司 | Anti-scouring adjustable high-pressure throttle valve suitable for oil and gas fields |
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