System of controlling changeover of an electric power source for an electric motor vehicle
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United States of America Patent
Stats
-
Feb 14, 1995
Grant Date -
N/A
app pub date -
Mar 17, 1993
filing date -
Apr 24, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system of changing over an electric power source for an electric motor vehicle including a secondary battery and a generator. The system is provided with a changeover circuit for changing over a state of connection between the secondary battery and the generator; and a controller for determining a power supply mode on the basis of a vehicle speed and an electric current value for driving a motor, the controller being adapted to instruct a changeover to the power supply mode to the switching circuit, thereby allowing high-speed and long-distance running.
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