Positive starting circuit

Details Positive starting circuit Positive starting circuit

1990-08-20

1991-06-11

Dolinar, Andrew M.

Internal-combustion engines

Starting device

For airplane

F02P 900

Patent

active

050223631

ABSTRACT:
A positive starting system and circuit prevents false starting of a multicylinder two-cycle internal combustion engine (10). During initial cranking of the engine, starter kick-out is caused by ignition of a residual combustible charge in a cylinder, however the following cylinder does not have a combustible charge, and the engine ceasing running, thus requiring re-engagement of the starter to start the engine. The problem is solved by delaying ignition upon initial cranking until sufficient combustible charge is developed in the remaining cylinders. Upon initial cranking, ignition is disabled, and a timing delay interval is initiated. At the end of such interval, ignition is enabled.

REFERENCES:
patent: 3623464 (1971-11-01), Patis
patent: 4015564 (1977-04-01), Fitzner
patent: 4364344 (1982-12-01), Buetemeister

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