GB550428A - Improvements in and relating to control devices for superchargers - Google Patents
Improvements in and relating to control devices for superchargersInfo
- Publication number
- GB550428A GB550428A GB932241A GB932241A GB550428A GB 550428 A GB550428 A GB 550428A GB 932241 A GB932241 A GB 932241A GB 932241 A GB932241 A GB 932241A GB 550428 A GB550428 A GB 550428A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- lever
- piston
- supercharger
- servomotor
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
- F02D2700/02—Controlling by changing the air or fuel supply
- F02D2700/0217—Controlling by changing the air or fuel supply for mixture compressing engines using liquid fuel
- F02D2700/0225—Control of air or mixture supply
- F02D2700/0246—Control of air or mixture supply for engines with compressor
- F02D2700/0256—Control of air or mixture supply for engines with compressor by changing the speed of the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
550,428. Fluid-pressure servomotor-control systems. BRITISH THOMSON-HOUSTON CO., Ltd.. and MORRIS, P. D. July 23, 1941, No. 9322. [Class 135] Supercharger control mechanism comprises a primary relay consisting of an element responsive to absolute boost pressure, a pilot valve and servomotor, and a secondary relay consisting of a pilot valve and main servomotor, the secondary relay being influenced by the primary relay and also by a centrifugal governor driven by the supercharger. In the form shown, the pressure sensitive element consists of bellows 7, 71 separated by a member 8 acted on by a spring 9, the bellows 7 being subject internally to the boost pressure, and the bellows 71 being evacuated When the boost pressure falls, the sensitive element acts through a lever 10 to cause a sleeve 11 to diminish leakage from below a piston 45, a pilot valve 38 thus being lifted to cause raising of the piston and rod 14 in the servomotor 3. Rack and pinion gear is thus operated to cause resetting of the sensitive element and the valve 38 through a cam 34 and lever 39, and the lifting of the left hand end of a lever 16 through a cam 15. The movement of the lever 16 sets a valve sleeve 22 to admit oil to a cylinder 6 to depress a piston 23 and partially close a valve 35 so as to increase the speed of the exhaust gas turbine 35<SP>1</SP> driving the supercharger. The supply of oil to the cylinder 6 is cut off by the action of a speed governor 4 driven by the supercharger on a valve 21, and by an incline 33 on the piston rod 24 acting through a bellcrank lever 30 on the lever 16 and sleeve 22. Should the supply of operating oil fail, a piston 27 is raised by compression springs in order to open a valve 28 to permit communication between the chambers on opposite sides of the piston 23 and finally to raise the piston and its rod 24 to the maximum extent. Setting of the boost pressure to a desired value is effected by adjusting the position of the fulcrum 12 of the lever 10, and the limitation of supercharger speed above the critical altitude is effected by the speed governor 4 acting to open the valve 35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB932241A GB550428A (en) | 1941-07-23 | 1941-07-23 | Improvements in and relating to control devices for superchargers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB932241A GB550428A (en) | 1941-07-23 | 1941-07-23 | Improvements in and relating to control devices for superchargers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB550428A true GB550428A (en) | 1943-01-07 |
Family
ID=9869723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB932241A Expired GB550428A (en) | 1941-07-23 | 1941-07-23 | Improvements in and relating to control devices for superchargers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB550428A (en) |
-
1941
- 1941-07-23 GB GB932241A patent/GB550428A/en not_active Expired
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