GB806747A - Hydraulic speed-responsive governors - Google Patents
Hydraulic speed-responsive governorsInfo
- Publication number
- GB806747A GB806747A GB1690955A GB1690955A GB806747A GB 806747 A GB806747 A GB 806747A GB 1690955 A GB1690955 A GB 1690955A GB 1690955 A GB1690955 A GB 1690955A GB 806747 A GB806747 A GB 806747A
- Authority
- GB
- United Kingdom
- Prior art keywords
- passage
- disc
- diaphragm
- chamber
- attached
- 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
- G05D13/08—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover without auxiliary power
- G05D13/10—Centrifugal governors with fly-weights
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
806,747. Fluid-pressure servomotor-control systems. LUCAS (INDUSTRIES) Ltd., J. June 4, 1956 [June 13, 1955]. Class 135. An hydraulic speed-responsive device comprises a body a having a chamber b therein with an outlet z, a rotary body e contained in the chamber and having a passage h in communication with an inlet c in the body and a centrifugally operated valve s carried by the rotary body for controlling the rate of flow of liquid from the passage h in to the chamber b. The rotary body consists of a disc c secured to an engine-driven shaft f. Attached to the disc e is another disc n having a recess flanked on one side by a diaphragm o. The recess is in communication with the passage h by means of a small orifice q. A centrifugal mass t containing a valve closure member s is attached to a T-shaped arm u secured to the disc e by spring hinge blades v. The arm u is also attached to the diaphragm o by a stem x. A weight y is mounted on the disc e to balance the centrifugal mass t. At low speeds motive fluid from an engine-driven pump passes through passage c, a restriction d, passages m, i and h and acts on the diaphragm o, thereby holding the valve closure member s away from the outlet r, allowing fluid to flow freely from passage h into the chamber b. With increasing speed the mass t progressively moves the closure member s towards the outlet r causing an increase in pressure in the passages downstream of the orifice d. These pressure variations are sensed by a diaphragm 6 which acts on a hinged valve 10 controlling a vent 11 from a cylinder 12. The cylinder contains a piston 13 acted on by motive fluid pressure upstream of the orifice d, through a passage 16. A restricted orifice 17 in the piston communicates between both ends of the cylinder. Movement of the piston to the right is controlled by the vent 11. The rod 14 attached to the piston controls a variable output fuel pump or a throttle or by-pass in the fuel supply line to the engine. The governor may also be employed for varying the adjustment of guide vanes in a turbine-type air compressor in response to variations of speed of an associated prime mover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1690955A GB806747A (en) | 1955-06-13 | 1955-06-13 | Hydraulic speed-responsive governors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1690955A GB806747A (en) | 1955-06-13 | 1955-06-13 | Hydraulic speed-responsive governors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB806747A true GB806747A (en) | 1958-12-31 |
Family
ID=10085868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1690955A Expired GB806747A (en) | 1955-06-13 | 1955-06-13 | Hydraulic speed-responsive governors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB806747A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3465770A (en) * | 1967-03-06 | 1969-09-09 | Lucas Industries Ltd | Speed responsive governors |
-
1955
- 1955-06-13 GB GB1690955A patent/GB806747A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3465770A (en) * | 1967-03-06 | 1969-09-09 | Lucas Industries Ltd | Speed responsive governors |
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