Tractor-trailer power conversion circuit

Details Tractor-trailer power conversion circuit Tractor-trailer power conversion circuit

1988-02-29

1988-10-25

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

307 10R, 307 64, 307150, 62236, 623231, 62239, 1231425R, 219202, F25B 2102

Patent

active

047806184

ABSTRACT:
The present invention entails a power switching system for a tractor-trailer that can be selectively actuated to direct power to the tractor unit from an auxiliary power source such as a refrigeration unit mounted on the trailer. When the tractor-trailer is in a parked position, power can be furnished to the tractor and to energy consuming components thereof through an auxiliary power source carried by the tractor-trailer, thereby improving the total fuel economy of the rig. In the power switching system of the present invention, there is provided a switch assembly for operatively connecting run, accessory, start/ignition circuits to the auxiliary power source. In addition, an oil and water heater circuit can be powered through the same auxiliary power source. Finally, a trickle charge may even be directed from the auxiliary power source to the battery of the tractor engine.

REFERENCES:
patent: 3475919 (1969-11-01), Ellis
patent: 4271677 (1981-06-01), Harr
patent: 4280330 (1981-07-01), Harris et al.
patent: 4448157 (1984-05-01), Eckstein et al.
patent: 4672296 (1987-06-01), Griffin
patent: 4720980 (1988-01-01), Howland

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