Control device for internal combustion engine

Details Control device for internal combustion engine Control device for internal combustion engine

2006-12-19

2006-12-19

Kwon, John T. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

C123S568210

Reexamination Certificate

active

07150264

ABSTRACT:
Deterioration of emission is restrained even if the actual control condition including the required torque is different from the set control condition. An ECU establishes a control amount of an EGR valve in such a manner that a condition amount, which is a control parameter controlling the EGR valve, is established as a target value. The ECU selects the condition amount as the control parameter among a fresh-air amount, an exhaust oxygen concentration, and an intake oxygen concentration, in which an operation amount of the EGR valve is minimum.

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Patent Abstracts of Japan, vol. 011, No. 397, Dec. 25, 1987, & JP 62 1627i63 A (Toyota motor corp.), Jul. 18, 1987.

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