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Vehicle system to recapture kinetic energy

  • US 7,201,095 B2
  • Filed: 02/17/2005
  • Issued: 04/10/2007
  • Est. Priority Date: 02/17/2004
  • Status: Active Grant
First Claim
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1. A fluid drive system having energy regeneration and storage capabilities for driving a vehicle comprising:

  • an electrical energy supply source mounted on the vehicle;

    at least one electrical motor electrically connected to said electrical supply source;

    a hydraulic pump driven by said electrical motor;

    a low pressure hydraulic fluid supply tank supplying fluid to said hydraulic pump;

    a pneumatically charged accumulator tank for storing pressurized hydraulic fluid;

    a combination hydraulic motor and pump being alternately driven by hydraulic fluid from said hydraulic pump and said pneumatically charged accumulator tank; and

    an electrical regeneration system for regenerating said electrical energy supply, said electrical regeneration system powered by hydraulic fluid pumped by said combination hydraulic motor and pump.

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