Method and apparatus for controlling CVVT of an engine

Details Method and apparatus for controlling CVVT of an engine Method and apparatus for controlling CVVT of an engine

2006-03-07

2006-03-07

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090160, C123S090170

Reexamination Certificate

active

07007645

ABSTRACT:
Controlling of a CVVT can be improved by controlling the CVVT based on an estimated oil temperature, the estimated oil temperature being calculated on the basis of a coolant temperature at starting of the engine and a period of time that has elapsed after the starting of the engine.

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