Intake air calculating system for automotive engine

Details Intake air calculating system for automotive engine Intake air calculating system for automotive engine

1989-06-14

1990-08-28

Raevis, Robert

Measuring and testing

Simulating operating condition

Marine

G01M 1900

Patent

active

049514997

ABSTRACT:
The quantity of intake air passing a throttle valve of an engine is calculated and a weight for a weighted mean is derived from a map in accordance with the throttle valve position and engine speed. The quantity of the intake air is calculated by multiplying the ratio of a weight at a last time to a weight at a present time by an intake air quantity produced at the last time to provide a product, by dividing a throttle passing air quantity produce by the throttle passing air calculator at the present time by a weight at the present time to provide a quotient, and by adding the product and the quotient.

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