Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1975-04-16
1976-06-15
Hohauser, Herman
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
317142TD, 315 82, H01H 4718
Patent
active
039639410
ABSTRACT:
Disclosed is a circuit for automatically turning off the lights of a vehicle after the ignition switch is turned off. A delay in the turning off of the lights is produced with the aid of a thermally responsive switch in series with the light switch. The light switch is initially in series with the ignition switch through the thermally responsive switch. The heat source of the thermally responsive switch is shut off with the ignition so that when the ignition switch is turned off, the heat source is deenergized and the bimetallic switch controlled thereby changes its shape to disconnect the light switch from the car battery. The heat source may be an electric heating element, or it may be some part of the vehicle power plant such as the exhaust pipe.
REFERENCES:
patent: 3433969 (1969-03-01), Krenke
Hohauser Herman
Voytech Charles F.
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