Powertrain control apparatus and method

Details Powertrain control apparatus and method Powertrain control apparatus and method

2008-01-29

2008-01-29

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Clutch control

C192S003290, C701S051000, C701S112000

Reexamination Certificate

active

07324886

ABSTRACT:
A powertrain control apparatus controls a powertrain including a lock-up clutch, and an engine, in which fuel supply is cut off, directly to an automatic transmission. The control apparatus includes a control unit that controls the engine so that fuel supply resumes in the engine and a setting unit that sets a hydraulic-pressure instruction value based on a temperature of a combustion chamber of the engine so that a time required to discharge the lock-up clutch is longer when the temperature of the combustion chamber is a first temperature than when the temperature of the combustion chamber is a second temperature which is higher than the first temperature, when the lock-up clutch is controlled to be brought to the disengaged state from the engaged state and the fuel supply to the engine is resumed. The lock-up clutch is then operated by hydraulic pressure corresponding to the hydraulic-pressure instruction value.

REFERENCES:
patent: 6942598 (2005-09-01), Kondo et al.
patent: 7073647 (2006-07-01), Morise et al.
patent: 2005-114069 (2005-04-01), None

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