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Electronic rear brake proportioning system

  • US 6,357,836 B1
  • Filed: 08/30/1999
  • Issued: 03/19/2002
  • Est. Priority Date: 03/04/1997
  • Status: Expired due to Fees
First Claim
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1. An electronic rear brake proportioning system for a vehicle having at least one front wheel brake and one rear wheel brake, the wheel brakes being coupled to and actuated by a master cylinder, the electronic rear brake proportioning system comprising:

  • a normally open solenoid valve connected between the master cylinder and the rear wheel brake; and

    a controller electrically connected to said solenoid valve, said controller being enabled when a first vehicle operating parameter exceeds a first threshold and said controller being operable to close said solenoid valve to isolate the rear wheel brake from the master cylinder when a second vehicle operating parameter exceeds a second threshold while said first operating parameter continues to exceed said first threshold.

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