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Method of synchronizing engine torque with vehicle torque load for accomplishing vehicle transmission shifting

  • US 6,246,941 B1
  • Filed: 03/25/1999
  • Issued: 06/12/2001
  • Est. Priority Date: 03/25/1999
  • Status: Expired due to Term
First Claim
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1. A method of engaging and disengaging transmission gears in a vehicle comprising the steps of:

  • (a) actuating an intent switch for preparing the transmission to engage or disengage the transmission gears;

    (b) processing an input torque parameter representing torque from an engine;

    (c) processing an output torque parameter representing torque at a transmission output shaft; and

    (d) adjusting the input torque parameter to approximate the output torque parameter for achieving a zero torque load between the engine and transmission output shaft to facilitate engaging and disengaging transmission gears.

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