Engine operation using fully flexible valve and injection events

Details Engine operation using fully flexible valve and injection events Engine operation using fully flexible valve and injection events

1991-02-19

1992-06-02

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

F02D 1304

Patent

active

051177900

ABSTRACT:
A system for controlling operational modes of an engine including valve and injection events, in which the engine comprises a plurality of cylinders having an intake and exhaust valve, an injector, a chamber and an intake and exhaust port. The plurality of cylinders are connected by an intake and exhaust manifold. The system comprises a cylinder control unit for independently governing an operational mode of each of the cylinders. The cylinder control unit comprises a valve control unit for controlling the operation of the intake and exhaust valves. The cylinder control unit also controls opening and closing of the intake and exhaust valves in accordance with the independently governed operational mode of each cylinder. The cylinder control unit further comprises an injector control unit for controlling the operation of the each of the injectors. The injector control unit controls fuel injection timing of each of the injectors, independently of the operation of the intake and exhaust valves. The cylinder control unit independently controls each of the cylinders to control the valve and injection events to achieve a plurality of operational modes for the engine.

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