Electric starting apparatus

Details Electric starting apparatus Electric starting apparatus

1983-10-27

1986-05-06

Argenbright, Tony M.

Internal-combustion engines

Starting device

For airplane

74 7A, 290 38R, 361194, F02N 1108, H01H 4708

Patent

active

045864675

ABSTRACT:
An electric starting apparatus for cranking an internal combustion engine. The electric starter is of a type that has solenoid pull-in and hold-in coils that when energized cause a solenoid plunger to shift which in turn moves a pinion into mesh with the ring gear of the engine. The hole-in coil can be energized directly from a battery when a manually operable start switch is closed. The energization of the pull-in coil is controlled by a Darlington transistor located in the solenoid housing. The transistor is biased conductive when the start switch is closed and nonconductive when the start switch is opened.

REFERENCES:
patent: 2287791 (1942-06-01), Dyer
patent: 3076098 (1963-01-01), Colvill et al.
patent: 3551754 (1970-12-01), Shaffer
patent: 3761730 (1973-09-01), Wright
patent: 4227231 (1980-10-01), Hansen et al.

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