Intake air control device for an internal combustion engine

Details Intake air control device for an internal combustion engine Intake air control device for an internal combustion engine

1992-11-12

1993-08-03

Nelli, Raymond A.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

F02B 3100, F02M 3510

Patent

active

052319644

ABSTRACT:
An intake air control device including swirl control means for controlling the intensity of a swirl in the combustion chamber. If combustion becomes worse during driving conditions under which a strong swirl should be created, an order means issues an order to actuate the swirl control means so as to weaken the intensity of the strong swirl. Next, a determination means determines whether combustion after the order is worse than combustion before the order, and when the result is negative, it is determined that a swirl control means problem has occurred.

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