Torque compensation method and system
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jul 10, 2014
app pub date -
Jan 17, 2014
filing date -
May 6, 2010
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Abstract
A system and method of compensating for torque converter slip in a motor vehicle include measuring rotational speeds of an engine crankshaft and mainshaft, as well as measuring operating temperatures of a fluid associated with the motor vehicle. Engine output torque is adjusted as required by controlling some combination of ignition timing, intake air flow, fuel injection, and accessory load. A system and method for deactivating a torque compensation system retrieves a number of times the torque compensation system has been activated over a set period. If the number exceeds a predetermined number of activations, the torque compensation system is deactivated.
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