Electric vehicle having multiple-use APU system

Details Electric vehicle having multiple-use APU system Electric vehicle having multiple-use APU system

2006-03-08

2011-10-25

Shriver, II, J. Allen (Department: 3618)

Motor vehicles

Power

Electric

C180S065310, C320S109000, C290S00100C

Reexamination Certificate

active

08042631

ABSTRACT:
During periods of vehicle inactivity, a vehicle-based APU electric generating system may be coupled into a regional electric grid to send electricity into the grid. A currently-preferred APU is a solid oxide fuel cell system. When a large number of vehicles are thus equipped and connected, substantial electric buffering can be effected to the grid load. A vehicle-based APU can also function as a back-up generator to a docking facility in the event of power failure of the grid. Gaseous hydrocarbon is readily supplied by pipe in many locations as a commercial and residential heating fuel source, and a hydrocarbon reformer on the vehicle can be attached to the fuel source, enabling an APU to operate as a stationary power source indefinitely. An optional storage tank on the vehicle may be refueled with gaseous fuel, for example, while the battery is being electrically recharged by the grid.

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