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US 6,335,574 B1Granted
Control apparatus for hybrid vehicle
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Abstract
The hybrid vehicle having an engine, an electric motor, a starter motor that starts the engine, and a power drive unit that drives the electric motor. The control apparatus includes an engine start controller which starts the engine when an engine start is requested. The engine start controller starts the engine using the electric motor if the temperature of the electric motor or the power drive unit is less than a predetermined value. In contrast, if at least one of the temperature of the electric motor or the power drive unit is no less than the predetermined value, the engine start controller starts the engine using the starter motor.
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