Air intake system for supercharged automobile engine

Details Air intake system for supercharged automobile engine Air intake system for supercharged automobile engine

1982-12-03

1984-05-01

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Having plural throttle valve structure

123403, 123341, 261 23A, 261DIG51, F02M 1104

Patent

active

044454740

ABSTRACT:
An air intake system for a supercharged automobile engine comprises a supercharger disposed on an air intake passage, a primary throttle valve disposed in a primary passage downstream of the supercharger and operatively coupled to an accelerator pedal, a secondary throttle valve disposed in a secondary passage and adapted to be controlled in association with the primary throttle valve, an auxiliary throttle valve in the secondary passage upstream of the secondary throttle valve, and an actuator operable to maintain the secondary throttle valve in a full open position when and so long as the load on the engine is equal to or larger than a predetermined medium load and to gradually open the secondary throttle valve with increase of the suction pressure when and so long as the load on the engine is smaller than the predetermined medium load.

REFERENCES:
patent: 3796413 (1974-03-01), Woods
patent: 4060062 (1977-11-01), Tsutsui et al.
patent: 4089308 (1978-05-01), Pierlot
patent: 4416115 (1983-11-01), Iida

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