Control system for a variable valve actuating mechanism of an in

Details Control system for a variable valve actuating mechanism of an in Control system for a variable valve actuating mechanism of an in

1990-02-22

1991-06-18

Kamen, Noah P.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 9016, 123435, F02B 7700

Patent

active

050241915

ABSTRACT:
A control system for a variable valve actuating mechanism for an internal combustion engine for varying the lift or timing of intake or exhaust valves in response to engine operating conditions. The control system includes sensors for detecting the pressure in the combustion cylinder and the temperture at the mounting seat of the spark plug. A warning device and fail safe conditions can be activated when an abnormal condition is detected by one of the sensors.

REFERENCES:
patent: 4356551 (1982-10-01), Iwase et al.
patent: 4541392 (1985-09-01), Ogino
patent: 4648364 (1987-03-01), Wills
patent: 4876995 (1989-10-01), Otobe et al.
patent: 4899701 (1990-02-01), Inoue et al.
patent: 4924823 (1990-05-01), Ogura et al.

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