×

Hybrid electric vehicle

  • US 7,004,273 B1
  • Filed: 11/24/2003
  • Issued: 02/28/2006
  • Est. Priority Date: 04/26/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A hybrid electric vehicle comprised of:

  • a drive train;

    an electric motor for driving said drive train;

    a power unit electrically coupled to said electric motor;

    an electric energy storage system comprising a bank of ultracapacitors electrically coupled to said electric motor; and

    wherein said power unit and said electric energy storage system provide electricity to said electric motor for powering said vehicle; and

    a power management controller programmed to control output power of said power unit to maintain said energy storage system between a predetermined high voltage set-point and a predetermined low voltage set-point.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×