GB625055A - Improvements in or relating to apparatus for metering the fuel supplied to a prime mover - Google Patents
Improvements in or relating to apparatus for metering the fuel supplied to a prime moverInfo
- Publication number
- GB625055A GB625055A GB2911246A GB2911246A GB625055A GB 625055 A GB625055 A GB 625055A GB 2911246 A GB2911246 A GB 2911246A GB 2911246 A GB2911246 A GB 2911246A GB 625055 A GB625055 A GB 625055A
- Authority
- GB
- United Kingdom
- Prior art keywords
- servomotor
- piston
- controlled
- pipe
- pressure
- 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
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/006—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with mechanic means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Turbines (AREA)
Abstract
625,055. Fluid-pressure servomotor-control systems. NAPIER & SON, Ltd., D., CHAMBERLIN, R. H. D., WYNNE, C. H. L., and SKELLERN, J. Sept. 30, 1946, No. 29112. [Class 135] Apparatus for metering the fuel supply to a gas turbine for an aircraft of the kind driving a compressor supplying air for combustion and an airscrew, the blades of which can be automatically adjusted by a governor controlling the speed of the turbine, comprises a metering orifice F formed by fixed and slidable cylinder liners H, K respectively, and the aperture L<SP>1</SP> in a hollow piston L manually adjustable by the pilot through a lever P<SP>3</SP> connected to a piston valve P controlling a servomotor R, which sets the airscrew governor S and formed on an extension of the piston L, the gap between the liners being controlled by a Bourdon tube K<SP>3</SP> connected with a thermometer in the air inlet to the compressor. The fuel passes under pressure from a tank A through a filter A<SP>1</SP> and a pipe A<SP>2</SP> to a rotary pump B, e.g. of the kind described in Specifications 577,016 and 583,487, and thence via a pipe D to the chamber G<SP>1</SP> from which it flows through the metering orifice F and a pipe H<SP>3</SP> to the turbine burners. The fuel is controlled by a swash-plate B<SP>1</SP>, the inclination of which is regulated by a servomotor piston B<SP>3</SP>. The position of the piston is dependent on the pump discharge pressure in the pipe D and the leakage through a valve B<SP>5</SP> controlled by a diaphragm B<SP>6</SP> subject on its upper side to the pressure in the pump casing B' and on its underside to that in the fuel supply pipe A2, and a valve E<SP>1</SP> controlled by a lever C<SP>5</SP> regulated by a bellows C, subject to the pressure drop across the metering orifice; and a spring C' loaded by a lever M having a slot engaged by a pin M<SP>4</SP> on the piston-rod of a servomotor, the fluid supply to which is controlled by a valve M<SP>5</SP> actuated by an evacuated bellows O exposed to the air intake or ram pressure. The setting of the airscrew governor is effected by the servomotor R through levers Q<SP>1</SP>, Q' and a link Q<SP>6</SP> connected to an adjustable arm S<SP>1</SP>. The action of the servomotor R is delayed by the throttle valves T, T<SP>1</SP>.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2911246A GB625055A (en) | 1946-09-30 | 1946-09-30 | Improvements in or relating to apparatus for metering the fuel supplied to a prime mover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2911246A GB625055A (en) | 1946-09-30 | 1946-09-30 | Improvements in or relating to apparatus for metering the fuel supplied to a prime mover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB625055A true GB625055A (en) | 1949-06-21 |
Family
ID=10286347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2911246A Expired GB625055A (en) | 1946-09-30 | 1946-09-30 | Improvements in or relating to apparatus for metering the fuel supplied to a prime mover |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB625055A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3694108A (en) * | 1969-04-23 | 1972-09-26 | Carlo Pensa | Hydraulic apparatus for regulating the flow of one or more pumps |
| USRE29333E (en) * | 1969-04-23 | 1977-08-02 | Massey-Ferguson Services N.V. | Hydraulic apparatus for regulating the flow of one or more pumps |
-
1946
- 1946-09-30 GB GB2911246A patent/GB625055A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3694108A (en) * | 1969-04-23 | 1972-09-26 | Carlo Pensa | Hydraulic apparatus for regulating the flow of one or more pumps |
| USRE29333E (en) * | 1969-04-23 | 1977-08-02 | Massey-Ferguson Services N.V. | Hydraulic apparatus for regulating the flow of one or more pumps |
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