GB577014A - Improvements in speed control systems - Google Patents
Improvements in speed control systemsInfo
- Publication number
- GB577014A GB577014A GB1167441A GB1167441A GB577014A GB 577014 A GB577014 A GB 577014A GB 1167441 A GB1167441 A GB 1167441A GB 1167441 A GB1167441 A GB 1167441A GB 577014 A GB577014 A GB 577014A
- Authority
- GB
- United Kingdom
- Prior art keywords
- turbine
- speed
- control
- port
- fuel
- 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)
- Control Of Turbines (AREA)
Abstract
577,014. Gas turbines. SMITH, D. M., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Sept. 11, 1941, No. 11674. [Class 110 (iii)] The fuel control of a gas turbine for propelling aircraft is such that, for each position of the control, the turbine runs at a corresponding speed, irrespective of the load on the turbine. When the turbine is running at speed, the fuel port 15 is fully open and fuel oil delivered by a pump 1, driven by the turbine, passes to it by way of an orifice 2 of fixed value and a port 12 controlled by the piston valve 11. If, with the control in a set position, the speed rises, owing to disminished load, the flow of oil in pipe 14 rises correspondingly and the drop in pressure across the orifices 2 and 12, in parallel, increases. This pressure difference, by means of connections 32, 33, is applied to a floating piston valve 25 and an increase will cause the valve 25 to open a port 30 through which oil is by-passed back to the pump 1 until the speed has returned to the correct value. A second by-pass 39 is controlled by an emergency speed governor and a relief valve 6 prevents excessive pressure in the system. A piston valve 10 of the control regulates a by-pass 5 during starting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1167441A GB577014A (en) | 1941-09-11 | 1941-09-11 | Improvements in speed control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1167441A GB577014A (en) | 1941-09-11 | 1941-09-11 | Improvements in speed control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB577014A true GB577014A (en) | 1946-05-01 |
Family
ID=9990593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1167441A Expired GB577014A (en) | 1941-09-11 | 1941-09-11 | Improvements in speed control systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB577014A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2707866A (en) * | 1949-04-27 | 1955-05-10 | Thompson Prod Inc | Jet engine fuel control system responsive to engine speed and tail pipe temperature |
-
1941
- 1941-09-11 GB GB1167441A patent/GB577014A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2707866A (en) * | 1949-04-27 | 1955-05-10 | Thompson Prod Inc | Jet engine fuel control system responsive to engine speed and tail pipe temperature |
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