Engine barring device

Details Engine barring device Engine barring device

1984-12-24

1986-04-08

Dolinar, Andrew M.

Internal-combustion engines

Starting device

For airplane

123179F, 123198R, 74405, 74531, 74625, F02B 7700

Patent

active

045805342

ABSTRACT:
Engine barring devices are connected to engines. Known barring devices have been used to rotate crankshafts of engines and adding features to these known devices increases the complexity and cost of such devices. The subject barring device includes a shaft adapted for both axial and rotational movement. A gear is attached to one end of the shaft and is moved axially in a first direction to a first position where a holding device holds the shaft in the first position. In the first position the gear is engaged driving with a flywheel connected to the crankshaft of the engine. A tool engaging portion located on the shaft is adapted to engage with a turning tool. With the shaft in the first position, the turning tool can be used to rotate the crankshaft of the engine. A locking device is included to hold the crankshaft in one of the plurality of rotational positions. The subject barring device provides a holding device to hold the shaft in the first position, a device to disable the activation of a starting system, a tool engaging portion allowing rotation of the shaft and a locking device to lock the shaft in one of a plurality of rotational positions.

REFERENCES:
patent: 2879673 (1959-03-01), Passman
patent: 3321985 (1967-05-01), Wheeler
patent: 3395588 (1968-08-01), Bleigh et al.
patent: 4072063 (1978-02-01), Nauman
Service Publication, American Locomotive Company, Jun. 1974.

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