Air intake control system for an internal combustion engine

Details Air intake control system for an internal combustion engine Air intake control system for an internal combustion engine

1990-10-04

1992-01-14

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Charge volume varying

123 52MF, 180197, F02D 908, F02B 2908

Patent

active

050800655

ABSTRACT:
An internal combustion engine has a plurality of cylinders and intake passages leading to the cylinders respectively. A plurality of intake control valves block and unblock the intake passages respectively. Drive devices open and close the intake control valves mutually-independently. A detecting device serves to detect a predetermined condition of the engine under which a speed of the engine is required to vary. A control device performs a control of closing the intake control valves mutually-independently by use of the drive devices after the detecting device detects the predetermined condition of the engine.

REFERENCES:
patent: 4363302 (1982-12-01), Pischinger
patent: 4461151 (1984-07-01), Kanesaka
patent: 4714063 (1987-12-01), Oda et al.
patent: 4736814 (1988-04-01), Yogo et al.
patent: 4796584 (1989-01-01), Goto et al.

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