System and method of compensating heating performance of...

Details System and method of compensating heating performance of... System and method of compensating heating performance of...

2005-09-29

2008-11-04

Estremsky, Sherry (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Control by sensed ambient condition, pattern indicia,...

C477S037000, C477S044000, C477S107000

Reexamination Certificate

active

07445579

ABSTRACT:
A system for compensating a heating performance a motor vehicle with a CVT, wherein the system includes a coolant-temperature sensor for sensing an engine-coolant temperature, and a transmission ECU electronically linked to the CVT and the coolant-temperature sensor, wherein the transmission ECU is so programmed as to: determine whether or not heating-performance compensation is required in accordance with at least the engine-coolant temperature; obtain, if it is determined that heating-performance compensation is required, a target input rotation of the CVT in such a way as to avoid input rotation of the CVT from being below a lower limit value determined to restrain degradation of the drivability and shift quality while compensating the heating performance every vehicle speed; and shift-control the CVT in accordance with the target input rotation.

REFERENCES:
patent: 4713987 (1987-12-01), Matsumura
patent: 5146891 (1992-09-01), Nakazawa et al.
patent: 7101311 (2006-09-01), Deguchi
patent: 2000-179670 (2000-06-01), None
patent: 2004-150475 (2004-05-01), None
patent: 2004-239334 (2004-08-01), None

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