Internal-combustion engines – Starting device – For airplane
Patent
1988-12-06
1990-01-30
Dolinar, Andrew M.
Internal-combustion engines
Starting device
For airplane
123179R, 290 38R, 307 106, F02N 1108
Patent
active
048966371
ABSTRACT:
A power supply device for an engine starter of an automobile is disclosed. The device comprises a control circuit which controls the supply of DC current from a battery to the starter by making and breaking the electromagnetic switch of the starter. A series circuit of a starting switch and a DC-DC converter is coupled across a positive terminal of the battery and the input of a constant voltage source circuit. The output voltage of the DC-DC converter is 1.5 times as great as the input. Further, a diode is coupled in parallel with the series circuit of the starting switch and the DC-DC converter to supply the battery voltage when the starting switch is opened. The control circuit of the starter having input terminals coupled to the starting switch and an engine rotation sensor is supplied with the constant operating voltage from the constant voltage source circuit. The output of the control circuit operates a relay which in its turn operates the electromagnetic switch of the starter.
REFERENCES:
patent: 4754730 (1988-07-01), Campagna
Dolinar Andrew M.
Mitsubishi Denki & Kabushiki Kaisha
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