Combined manual and power driven engine starter

Details Combined manual and power driven engine starter Combined manual and power driven engine starter

1988-10-27

1990-03-20

Herrmann, Allan D.

Internal-combustion engines

Starting device

For airplane

74 6, 123179SE, 475 4, F02N 302, F02N 1100, F02N 1700

Patent

active

049092006

ABSTRACT:
A starter for a general purpose engine has a starting motor with an armature shaft disposed in axial alignment with the engine crankshaft. The armature shaft is coupled via a planetary gear set to an intermediate shaft, also in axial alignment with the engine crankshaft, which is coupled to the engine crankshaft via an overrunning clutch. This clutch permits the engine crankshaft to overrun the intermediate shaft after the engine is started. Having a pull rope wound thereon, a starting reel is rotatably and coaxially supported over the intermediate shaft. A centrifugal clutch normally holds the starting reel disconnected from the engine crankshaft and, upon rotation of the starting reel as a result of exertion of a manual pull on the pull rope, drivingly connects the starting reel to the engine crankshaft. Thus the engine may be started either by the starting motor via the intermediate shaft, with the starting reel disconnected from the crankshaft by the centrifugal clutch, or by the manual starting reel, with the starting motor held out of rotation by the overrunning clutch.

REFERENCES:
patent: 3537436 (1970-11-01), Heisler
patent: 3596647 (1971-08-01), Heisler
patent: 3696593 (1972-10-01), Thorud et al.
patent: 4157083 (1979-06-01), Smith et al.
patent: 4615311 (1986-10-01), Scheckel
patent: 4791833 (1988-12-01), Sakai et al.

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