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Battery powered vehicle drive

  • US 3,874,472 A
  • Filed: 01/25/1974
  • Issued: 04/01/1975
  • Est. Priority Date: 01/25/1974
  • Status: Expired due to Term
First Claim
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1. In combination with a vehicle having an internal combustion engine, a drive propelling transmission and a flywheel driven by the transmission, a drive motor connected to the transmission for propelling the vehicle, generator means driven by the engine for generating a source of electrical energy, at least two energy storing battery assemblies for alternately storing the electrical energy output of the generator means, charging circuit means connected to the generator means for charging one of the battery assemblies while the other of the battery assemblies is energizing the drive motor, an auxiliary generator continuously driven by the flywheel and connected to the charging circuit means, and coast control means connected to the auxiliary generator for enabling the same under coasting conditions of the vehicle to charge one of the battery assemblies.

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