Prime-mover dynamo plants – Traction
Patent
1992-08-10
1993-12-21
Williams, Howard L.
Prime-mover dynamo plants
Traction
290 8, 290 22, 290 46, B60L 1108, F02N 1104
Patent
active
052723798
ABSTRACT:
A power supply device for electric vehicle. The power supply device includes an engine, transmission, generator-motor, power converting circuit, battery and alternating drive motor. In operation, the battery supplies a direct current to the power converting circuit which converts the direct current to an alternating current which is supplied to the generator-motor to start the engine. Thereafter, the generator-motor acts as a generator so as to generating an alternating current which is supplied to the drive motor via the power converting circuit. Additionally, the power converting circuit converts the alternating current to a direct current for recharging the battery. According to another embodiment of the invention, a rectifier is provided for converting the alternating current of the generator-motor to a direct current which is supplied to the storage battery and to a direct current load. Additionally, an inverter converts the direct current voltage from the storage battery and the direct current voltage from the rectifier into an alternating current. A switch alternatively connects the output side of the converter to a first side of the generator motor in starting the engine and to a second side of the alternating current driving motor after the engine has started.
REFERENCES:
patent: 3786696 (1974-01-01), Aleem
patent: 4099589 (1978-07-01), Williams
patent: 4306156 (1981-12-01), Monoco et al.
Nishimura Shinji
Sugiyama Takeshi
Hoover Robert Lloyd
Mitsubishi Denki K.K.
Williams Howard L.
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