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US 4,650,729 AGranted
Electric power source device
AssigneeNissan Motor Co., Ltd.
InventorsMasashi Nakamura, Yasuo Takagi, Haruki Urakawa
Life of this patent
Estimating the term…
Abstract
An electric power source device comprises a source of electricity in the form of a fuel cell, a battery, a heater or air ventilation arrangement for conditioning electrolyte within the battery, and a circuit for establishing a connection whereby the battery is charged with the source of electricity.
Claims11
An electric power source device for a motor vehicle having an ignition switch having an off position, comprising:
- a casing;
- a battery with electrolyte;
- a source of electricity;
- said battery and said source of electricity being included by said casing;
- means for conditioning said electrolyte of said battery in such a manner as to prevent a drop in capacity of said battery which might otherwise be caused by ambient temperature where said battery is disposed;
- connecting means for connecting said source of electricity to said battery to charge said battery, said connecting means including a change-over switch means having a charging mode position for connecting said source of electricity to said battery to charge said battery;
- and
- controlling means for controlling said change-over switch means in such a manner for disconnecting said source of electricity from said battery when the ignition switch is turned on.
5 more elements
Dependencies are inferred from the claim text.