GB760656A - Improvements in or relating to speed responsive governor - Google Patents
Improvements in or relating to speed responsive governorInfo
- Publication number
- GB760656A GB760656A GB30997/54A GB3099754A GB760656A GB 760656 A GB760656 A GB 760656A GB 30997/54 A GB30997/54 A GB 30997/54A GB 3099754 A GB3099754 A GB 3099754A GB 760656 A GB760656 A GB 760656A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- rotor
- speed
- valve
- governed
- 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
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
760,656. Fluid-pressure servomotor-control systems. GARRETT CORPORATION. Oct. 27, 1954 [Nov. 9, 1953], No. 30997/54. Class 135. A speed-responsive governor comprises a fixed housing containing a rotor driven by mechanism to be governed, a pressure fluid inlet to the interior of the housing, a centrifugally operated valve in the rotor controlling an output pressure which is applied to means for controlling the speed of the governed mechanism, and a pressure-responsive element interconnecting and sealing the centrifugallyresponsive element with the rotor and subject to the pressure difference across the valve. In an embodiment the rotor 24 is mounted in bearings 20, 21 and carries a spring-biased plunger 29 which has at its upper end a closure surface 49 co-acting with a fixed element 50. Pneumatic pressure, after passing through a restriction 18, enters the casing 10 and passes through openings 51 in the fixed member 50 to a space where it acts on a diaphragm 46 in a direction opposing the spring 31 and assisting the centrifugal force on the member 29. When a predetermined speed is reached the valve opens to allow escape of air through passages 52, 41, 42, 43, thereby lowering the pressure in the casing 10 and consequently in a passage 19 which leads to pneumatic mechanism for controlling the speed of the governed apparatus. To compensate for the variation in centrifugal force on the member 29 due to its displacement relative to the axis of the rotor the air on the outlet side of the valve has access to the lower surface of the diaphragm. In a modification, the valve member is arranged to be normally open and to close in response to increase of speed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US760656XA | 1953-11-09 | 1953-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB760656A true GB760656A (en) | 1956-11-07 |
Family
ID=22129727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30997/54A Expired GB760656A (en) | 1953-11-09 | 1954-10-27 | Improvements in or relating to speed responsive governor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB760656A (en) |
-
1954
- 1954-10-27 GB GB30997/54A patent/GB760656A/en not_active Expired
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