GB727699A - Internal combustion engine and power transmission assemblies - Google Patents
Internal combustion engine and power transmission assembliesInfo
- Publication number
- GB727699A GB727699A GB2933/53A GB293353A GB727699A GB 727699 A GB727699 A GB 727699A GB 2933/53 A GB2933/53 A GB 2933/53A GB 293353 A GB293353 A GB 293353A GB 727699 A GB727699 A GB 727699A
- Authority
- GB
- United Kingdom
- Prior art keywords
- torque
- valve
- governor
- servomotor
- speed
- 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
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 title 1
- 230000001105 regulatory effect Effects 0.000 abstract 7
- 239000000446 fuel Substances 0.000 abstract 5
- 239000012530 fluid Substances 0.000 abstract 3
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
-
- 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
- F02D2700/07—Automatic control systems according to one of the preceding groups in combination with control of the mechanism receiving the engine power
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
727,699. Regulating. SULZER FRERES SOC. ANON. Feb. 2, 1953 [Feb. 9, 1952], No. 2933/53. Class 7(6). [Also in Groups XXIX and XXXI] In an engine driving an output shaft 5 through a hydraulic torque converter 3, a speed governor 6 controls a fuel injection pump 11 and actuates the torque regulating device of the torque converter 3 to provide a substantially constant torque input to the converter at any given speed setting within the normal running range, the torque regulating device being set so that no torque is transmitted when the governor speed control member 21 is set in the idling speed range. The governor 6 controls the pump 11 through a linkage system 8, 9, 10, which system also actuates through a link 13 the control valve 16 of a hydraulic servomotor 14 the piston 17 of which actuates the torque regulating device of the converter 3 through links 18, 19, 20. The speed control member 21 adjusts the governor load and simultaneously adjusts the pivot 15 of the link 13 to adjust the fuel supply for each speed setting. If the load on the engine increases, the governor sleeve 7 is lowered and the link 9 is moved upwards to increase the fuel supply, the valve 16 being simultaneously lowered to cause the piston 17 to move upwards to reduce the torque ratio of the torque converter 3 until the engine speed has increased and the governor sleeve has returned to its original position. If the handle 21 is rotated to set a higher speed, the governor spring abutment 23 is lowered causing an immediate increase in the fuel supply, and a reduction in the transmission ratio of the torque converter 3. Simultaneously the linkage 25, 26 raises the pivot 15 and valve 16 so that equilibrium is re-established at an increased engine speed with an increased fuel supply. When the handle 21 is rotated to the idling speed range, the linkage 25, 26 lowers the pivot 15 and valve 16 by such an amount that the piston 17 is driven to its top position and the torque regulator set so that no torque is transmitted irrespective of the action of the governor. To avoid hunting, the hydraulic fluid flow into the servomotor 14 is throttled. The hydraulic converter 3 may be of the centrifugal type with adjustable blades or of the positive displacement variable capacity pump type. In a modification, the lever 25 actuates an adjustable cylinder surrounding the valve 16 and is actuated from the speed control mechanism 21 through a cam. In Fig. 3 the lever 25 is provided with an extension 37 which, when the handle 21 is set in the idling range, depresses a valve 36 to cause a second servomotor 34 to move the torque regulating mechanism to the position in which no torque is transmitted irrespective of the position of the first servomotor piston 17. Similarly, when the handle 21 is moved from idling into the normal running range, the valve 36 is released and the torque regulating mechanism immediately set to a torque transmitting position. The valve 36 may be replaced by a servo valve connected by a feed-back arrangement to the servo piston 34 to provide a gradual adjustment of the torque regulating device in the idling range. A resilient connection may be provided in the linkage system 18, 19, 20, to avoid stressing thereof whilst the servomotor 34 is in operation. In Fig. 6 the servomotor 14 is provided with a spring-loaded throttling member 45 which is normally in a position such that an orifice 48 throttles the flow of fluid to the servo cylinder but which is moved by the lever 25 when the handle 21 is set for idling to a position in which a recess 46 provides an unrestricted supply of pressure fluid to the servomotor. A rapid movement of the piston 17 towards and away from the position in which no torque is transmitted is thereby obtained.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH727699X | 1952-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB727699A true GB727699A (en) | 1955-04-06 |
Family
ID=4532073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2933/53A Expired GB727699A (en) | 1952-02-09 | 1953-02-02 | Internal combustion engine and power transmission assemblies |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB727699A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3006199A (en) * | 1956-03-14 | 1961-10-31 | Gen Motors Corp | Torque transmitting mechanism |
-
1953
- 1953-02-02 GB GB2933/53A patent/GB727699A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3006199A (en) * | 1956-03-14 | 1961-10-31 | Gen Motors Corp | Torque transmitting mechanism |
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