Control device of a varable cylinder engine

Details Control device of a varable cylinder engine Control device of a varable cylinder engine

1995-08-28

1996-10-08

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123198F, F02D 1702, F02M 2507

Patent

active

055620868

ABSTRACT:
A control device of an engine having cylinders which are divided into two cylinder groups. The first cylinder group is provided with a first throttle valve and a first recirculation valve. The second cylinder group is provided with a second throttle valve and a second recirculation valve. When shifting from full cylinder operation to partial cylinder operation where the second cylinder group is left idle, the sum of the load of both the cylinder groups is maintained as substantially the same load as the total load before shifting to the partial cylinder operation, the first throttle valve is gradually opened, and the second throttle valve is gradually closed.

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Toyota Technical Publication No. 5006, Nov. 30, 1993 pp. 155-156.

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