ULEV concept for high-performance engines

Details ULEV concept for high-performance engines ULEV concept for high-performance engines

1998-04-23

2000-02-29

Argenbright, Tony M.

Internal-combustion engines

Spark ignition timing control

Electronic control

123 9017, F02P 515

Patent

active

060296267

ABSTRACT:
An internal combustion engine includes an adjusting device for an exhaust camshaft and an ignition control device. In order to provide an internal combustion engine in which pollutant emissions can be further reduced and stricter limits on pollutant emissions can be met, an adjusting device provided for the intake camshaft is controlled in a partial load range in such fashion that the exhaust camshaft is retarded. At the same time, an ignition control device retards the ignition timing point.

REFERENCES:
patent: 4961406 (1990-10-01), Burandt
patent: 5074260 (1991-12-01), Yagi et al.
patent: 5107802 (1992-04-01), Yagi et al.
patent: 5168851 (1992-12-01), Itoyama et al.
patent: 5398502 (1995-03-01), Watanabe
patent: 5622144 (1997-04-01), Nakamura et al.

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