Diesel engine shut-down device

Details Diesel engine shut-down device Diesel engine shut-down device

1989-06-15

1990-05-15

Kamen, Noah P.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123357, 123373, 123DIG11, F02B 7708

Patent

active

049248278

ABSTRACT:
The shut-down device stops a diesel engine by cutting the fuel supply or the intake air supply. The device comprises a timer having a capacitor which outputs engine stop signals for a predetermined time when a key switch is turned off, and a drive element having a switching device which supplies an actuator for stopping the engine with operation signals in accordance with the engine stop signals from the capacitor. The switching device includes an NPN-type transistor to receive the engine stop signals as a base voltage and to be connected to a starter of the engine, and a PNP-type transistor to receive a divdied voltage from a battery in accordance with the starter operation and to output the operation signals to the actuator.

REFERENCES:
patent: 4124013 (1978-11-01), Rivalto
patent: 4452196 (1984-06-01), Indra

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