Controller for supercharged engine

Details Controller for supercharged engine Controller for supercharged engine

1993-04-14

1995-03-14

Bertsch, Richard A.

Internal-combustion engines

Charge forming device

Supercharger

123 9015, F02B 3344

Patent

active

053968743

ABSTRACT:
A controller for a supercharged engine includes a supercharger for supercharging intake air, an intercooler for cooling the intake air discharged from the supercharger, a valve timing varying device for varying valve timing so that an overlapping term, in which both intake and exhaust valves open, is longer when an engine speed is relatively high than when the engine speed is relatively low, and a controller for controlling the valve timing varying device so that when the overlapping term is short at relatively low speed of the engine, the intake valves close at a timing later than a timing at which the intake valves close when the overlapping term is long at relatively high speed of the engine.

REFERENCES:
patent: 4958606 (1990-09-01), Hitomi et al.
patent: 5133310 (1992-07-01), Hitomi et al.
patent: 5161497 (1992-11-01), Simko et al.
patent: 5222465 (1993-06-01), Sakamoto et al.
patent: 5230320 (1993-07-01), Hitomi et al.

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