Supercharge pressure control system for automotive engine with s

Details Supercharge pressure control system for automotive engine with s Supercharge pressure control system for automotive engine with s

1990-01-31

1991-09-24

Smith, Leonard E.

Internal-combustion engines

Charge forming device

Supercharger

60602, 60611, F02D 2300

Patent

active

050505726

ABSTRACT:
A supercharging pressure control system for an automotive engine with a supercharger controlling a pressure of incoming supercharging air into the automotive engine. The pressure of the incoming supercharging air is feedback-controlled so as to reach a target pressure of supercharging air which is determined depending upon engine operating conditions. A feedback control gain is varied higher when the incoming supercharging air pressure is higher than the target supercharging air pressure when compared to being lower than the target supercharging air pressure.

REFERENCES:
patent: 4477875 (1984-10-01), Suzuki et al.
patent: 4646522 (1987-03-01), Mamiya et al.
patent: 4697422 (1987-10-01), Veno et al.
patent: 4970864 (1990-11-01), Kazuo et al.

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