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Propulsion system for a motor vehicle using a bidirectional energy converter

  • US 5,998,885 A
  • Filed: 09/21/1998
  • Issued: 12/07/1999
  • Est. Priority Date: 09/21/1998
  • Status: Expired due to Term
First Claim
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1. A motor vehicle propulsion system comprising:

  • an electrical energy source;

    a traction motor coupled to receive electrical energy from said electrical energy source;

    a first bus provided electrical energy by said electrical energy source;

    a second bus of relatively lower voltage than said first bus;

    an electrically-driven source of reaction gas for said electrical energy source, said source of reaction gas coupled to receive electrical energy from said first bus;

    means coupled to said second bus for storing electrical energy at said lower voltage; and

    a bidirectional energy converter coupled to convert electrical energy from said first bus to said second bus and from said second bus to said first bus.

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