초록

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.

대표청구항 ▼

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

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.