Torque converter clutch dynamic control
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United States of America Patent
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Nov 27, 2007
Grant Date -
N/A
app pub date -
Sep 1, 2006
filing date -
Sep 1, 2006
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A method of dynamically controlling pressure to a torque converter clutch (TCC) of a torque converter coupled to a transmission is provided. The method includes: monitoring throttle position; monitoring engine speed; controlling pressure to the torque converter clutch to increase slip after the throttle position indicates a tip-in has occurred and when engine speed is low; regulating at least one of a transmission steady state pressure to the transmission and pressure to the torque converter to maintain the increased slip; and controlling pressure to the torque converter to reduce slip by engaging the torque converter clutch.
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