Cylinder-disabling control system for multi-cylinder engine

Details Cylinder-disabling control system for multi-cylinder engine Cylinder-disabling control system for multi-cylinder engine

1996-03-11

1997-08-12

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

F02D 4100

Patent

active

056555083

ABSTRACT:
A cylinder-disabling control system for a multi-cylinder engine provided with an exhaust manifold to which each exhaust port is connected, which control system comprises: an engine performance sensor; an operation mode selector for selecting the cylinder-disabling mode or the all-cylinders-engaged mode; and a disabled-cylinder designator for designating as disabled at least one of the most upstream cylinder and the exhaust pulse-affected downstream cylinder, when the cylinder-disabling mode is selected, thereby improving driving stability at low rpm's.

REFERENCES:
patent: 4166437 (1979-09-01), Bianchi et al.
patent: 5558062 (1996-09-01), De Minco et al.

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