DC electric car with auxiliary power and AC drive motor
First Claim
1. In combination with an electrically powered motor vehicle of the type including a direct current storage battery and a direct current motor having an electrical input circuit connected to receive direct current from the battery and having a rotatable shaft mechanically coupled to drive traction wheels, the improvement which comprises:
- an alternating current motor having an input circuit for receiving alternating current and a rotatable shaft mechanically coupled to drive the traction wheels in response to the flow of alternating current through the input circuit of the alternating current motor;
an alternating current generator having a rotatable shaft and an electrical output circuit connected to energize the input circuit of the alternating current motor, the generator being operable to produce alternating current in response to mechanical rotation of the generator shaft; and
,an internal combustion engine mechanically coupled to drive the generator shaft.
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Accused Products
Abstract
An electric car is provided with a DC drive motor powered by a conventional storage battery and an AC drive motor powered by the combination of an AC generator driven by an auxiliary internal combustion engine. The car may be driven by the DC motor alone, for example during short range stop and go driving, or it may be driven by the AC motor alone, for example during relatively constant speed long range driving, or it may be driven by both motors in combination when increased power is required.
58 Citations
4 Claims
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1. In combination with an electrically powered motor vehicle of the type including a direct current storage battery and a direct current motor having an electrical input circuit connected to receive direct current from the battery and having a rotatable shaft mechanically coupled to drive traction wheels, the improvement which comprises:
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an alternating current motor having an input circuit for receiving alternating current and a rotatable shaft mechanically coupled to drive the traction wheels in response to the flow of alternating current through the input circuit of the alternating current motor; an alternating current generator having a rotatable shaft and an electrical output circuit connected to energize the input circuit of the alternating current motor, the generator being operable to produce alternating current in response to mechanical rotation of the generator shaft; and
,an internal combustion engine mechanically coupled to drive the generator shaft. - View Dependent Claims (2, 3, 4)
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Specification