Systems and methods for controlling automatic transmission...

Power plants – Pressure fluid source and motor – Condition responsive control means responsive to – or...

Reexamination Certificate

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C060S337000

Reexamination Certificate

active

07832206

ABSTRACT:
Systems and methods of controlling automatic transmission fluid (ATF) in a vehicle include torque converter systems generally having a pump, a turbine and a stator. The stator is selectively rotated during periods of predetermined low ATF temperature, thereby causing temporarily induced inefficiencies that warm the ATF.

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patent: 6974011 (2005-12-01), Gradu et al.
patent: 2005/0211523 (2005-09-01), Takahashi

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