Method and apparatus for predicting and controlling manifold...

Details Method and apparatus for predicting and controlling manifold... Method and apparatus for predicting and controlling manifold...

2002-10-22

2004-11-02

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S436000

Reexamination Certificate

active

06810854

ABSTRACT:

TECHNICAL FIELD
The present invention relates to the control of internal combustion engines. More specifically, the present invention relates to a method and apparatus to control the torque of an internal combustion engine.
BACKGROUND OF THE INVENTION
In an engine torque-based control system, engine torque is controlled using throttle position, spark advance/retard, and the air/fuel mixture. An engine throttle directly regulates the power/torque produced by an internal combustion engine such a gasoline engine, as the angular position of a throttle plate controls the mass air flow through an internal combustion engine. Generally, the fuel mixed with the air entering the engine is controlled to increase proportionally to the air mass flow such that the power/torque of an internal combustion engine is directly proportional to the mass air flow through the engine.
SUMMARY OF THE INVENTION
The present invention is a method and apparatus for the control of engine torque. The present invention determines and controls the required air flow through the cylinder or “air-per-cylinder” necessary to deliver a requested torque.


REFERENCES:
patent: 5107813 (1992-04-01), Inoue et al.
patent: 6499449 (2002-12-01), Michelini et al.
patent: 2002-303177 (2002-10-01), None
Bishop, “Effect of Design Variables on Friction and Economy, ” SAE Paper No. 812A, Jan. 1964, pp. 334-354.

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