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METHOD OF CONTROLLING OPERATION OF A VEHICLE

  • US 20100332089A1
  • Filed: 06/28/2010
  • Published: 12/30/2010
  • Est. Priority Date: 06/30/2009
  • Status: Active Grant
First Claim
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1. A method of controlling a fluid level around a transmission gear of a vehicle, the method comprising the steps of:

  • (a) providing a set of predetermined operating conditions, each predetermined operating condition having a corresponding predetermined fluid level requirement;

    (b) operating a vehicle at an actual operating condition;

    (c) determining a predetermined operating condition equivalent to the actual operating condition; and

    (d) arranging a fluid level around a transmission gear to be equivalent to the predetermined fluid level requirement corresponding to the predetermined operating condition,wherein the predetermined operating conditions are selected from the group of;

    a predetermined operating condition that is at least defined by a direction of torque being transmitted through the transmission gear,a predetermined operating condition that is at least defined by a longitudinal inclination of the vehicle,a predetermined operating condition that is at least defined by a lateral inclination of the vehicle,a predetermined operating condition that is at least defined by a lateral acceleration of the vehicle,a predetermined operating condition that is at least defined by a reverse gear ratio of the vehicle,a predetermined operating condition that is at least defined by an amount of contaminant of the fluid,a predetermined operating condition that is at least defined by a fluid quality,a predetermined operating condition that is at least defined by a temperature of a transmission component,a predetermined operating condition that is at least defined by a previous actual operating condition, anda predetermined operating condition that is at least defined by a predicted future operating condition.

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