GB549982A - Improvements relating to the valve mechanism of reversible direct injection oil engines - Google Patents
Improvements relating to the valve mechanism of reversible direct injection oil enginesInfo
- Publication number
- GB549982A GB549982A GB884741A GB884741A GB549982A GB 549982 A GB549982 A GB 549982A GB 884741 A GB884741 A GB 884741A GB 884741 A GB884741 A GB 884741A GB 549982 A GB549982 A GB 549982A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- hand
- shaft
- starting
- pair
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/02—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for reversing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2760/00—Control of valve gear to facilitate reversing, starting, braking of four stroke engines
- F01L2760/002—Control of valve gear to facilitate reversing, starting, braking of four stroke engines for reversing or starting four stroke engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
549,982. Reversing; starting. WIDDOP & CO., Ltd., H., and WHITAKER, J. July 14, 1941, No. 8847. [Class 7 (v)] In valve mechanism for reversible directinjection oil engines in which the cam shaft 1 is driven from the engine crankshaft through a pair of skew gears 2, 3 the gear 3 is slidably keyed on the shaft 1 and is moved axially thereon to adjust the angular relationship of the gears by a hand wheel 12 which also operates a carrier shaft 25 provided with means for bringing into operation one of a pair of exhaust cams 11. As shown, the shaft 1 carries cams 9, 10, 11 for actuating fuel pumps 6, starting-air valves 7 and exhaust -valve tappet 8. To move the gear 3 axially, the hand-wheel 12 acts through pinions 14, 15 a quadrant 13, an arm 16 and a link 17 connected to a forked lever 18. The tappet 8 is actuated by one of the cams 11 according to the direction of rotation, either cam being brought into operation by the interposition of one of a pair of radius arms 22 actuated by eccentrics 24 on the carrier shaft 25, which is geared at 26, to the hand-wheel 12. Movement of the hand-wheel to. its extreme position in either direction causes a lug on the quadrant 13 to engage a lifter arm 27 for opening the master valve 28 for starting-air.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB884741A GB549982A (en) | 1941-07-14 | 1941-07-14 | Improvements relating to the valve mechanism of reversible direct injection oil engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB884741A GB549982A (en) | 1941-07-14 | 1941-07-14 | Improvements relating to the valve mechanism of reversible direct injection oil engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB549982A true GB549982A (en) | 1942-12-16 |
Family
ID=9860367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB884741A Expired GB549982A (en) | 1941-07-14 | 1941-07-14 | Improvements relating to the valve mechanism of reversible direct injection oil engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB549982A (en) |
-
1941
- 1941-07-14 GB GB884741A patent/GB549982A/en not_active Expired
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