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Regeneration and brake management system

  • US 7,311,163 B2
  • Filed: 11/16/2004
  • Issued: 12/25/2007
  • Est. Priority Date: 11/16/2004
  • Status: Active Grant
First Claim
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1. A method of operating a regenerative powertrain system comprising:

  • providing a prime mover;

    providing an energy storage device associated with said prime mover;

    providing a regenerative braking system including a controller and at least one friction brake; and

    at least partially disabling said at least one friction brake during regenerative braking;

    wherein said at least partially disabling said at least one friction brake during regenerative braking includes;

    detecting a vehicle deceleration request;

    applying said at least one friction brake to an initial non-zero pressure level prior to said regenerative braking;

    initiating regenerative braking while maintaining said at least one friction brake at said initial non-zero pressure level; and

    disabling further friction brake application during said regenerative braking.

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