Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1996-08-12
1998-03-17
Elms, Richard T.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
307 101, 315 77, B60L 114
Patent
active
057290580
ABSTRACT:
A trailer voltage adapter includes a voltage converter which can be powered by the electrical system of a tractor and provide electrical power at a second voltage required by the electrical lighting system of the trailer. A plurality of relays are controlled by trailer lamp signals from the tractor and provide electrical power to the electrical lighting system of the trailer at the second voltage in accordance with the trailer lamp signals from the tractor.
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patent: 3970860 (1976-07-01), Purdy
patent: 4064413 (1977-12-01), Andersen
patent: 4751431 (1988-06-01), Ducote
patent: 5030938 (1991-07-01), Bondzeit
patent: 5170067 (1992-12-01), Baum et al.
patent: 5212469 (1993-05-01), Avellino
patent: 5283513 (1994-02-01), Fujita et al.
patent: 5397924 (1995-03-01), Gee et al.
Elms Richard T.
Mack Trucks, Inc.
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