Method and apparatus for improving the performance of a variable

Details Method and apparatus for improving the performance of a variable Method and apparatus for improving the performance of a variable

1996-10-28

1997-11-25

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

F02M 700

Patent

active

056900716

ABSTRACT:
A method of compensating for torque variations resulting from camshaft motion in a variable camshaft timing system by adjusting the intake manifold mass air flow as a function of the camshaft schedule. The adjustment can be made using the air bypass valve, or by modifying the throttle command to an electronically controlled throttle if the vehicle is so equipped.

REFERENCES:
patent: 5239473 (1993-08-01), Ribbens et al.
patent: 5278760 (1994-01-01), Ribbens et al.
patent: 5331933 (1994-07-01), Matsushita
patent: 5385129 (1995-01-01), Eyberg
patent: 5561600 (1996-10-01), McCombie
patent: 5576963 (1996-11-01), Ribbens et al.

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