Torque converter clutch dynamic control

Details Torque converter clutch dynamic control Torque converter clutch dynamic control

2007-11-27

2007-11-27

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C701S055000, C701S068000, C477S169000

Reexamination Certificate

active

11515517

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.

REFERENCES:
patent: 5908095 (1999-06-01), Jackel et al.
patent: 6299565 (2001-10-01), Jain et al.
patent: 6486183 (2002-11-01), Salhberg et al.
patent: 6568256 (2003-05-01), Lee
patent: 6780141 (2004-08-01), Kao et al.
patent: 6834225 (2004-12-01), Jiang et al.

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