Supercharger control system for internal combustion engines

Details Supercharger control system for internal combustion engines Supercharger control system for internal combustion engines

1984-01-24

1986-01-21

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

F02B 3712

Patent

active

045651787

ABSTRACT:
A supercharger control system for an internal combustion engine wherein a control valve is advantageously placed in the inlet bypass of the supercharger. The control valve is activated and controlled by a combination of the throttle position and the pressure differential within the intake manifold. A linkage including a lost-motion mechanism connects the control valve to the engine throttle valve for limiting the closing of the control valve for supercharging to corresponding open positions of the throttle valve. A pressure differential device urges the control valve toward a closed position for supercharging upon the occurrence of a lower pressure at a venturi portion of the air intake than at a portion upstream thereof at the supercharger outlet.

REFERENCES:
patent: 4227372 (1980-10-01), Kakimoto et al.
patent: 4434775 (1984-03-01), Yoshimura et al.
patent: 4466414 (1984-08-01), Yoshimura et al.
SAE Paper No. 810006, Supercharging for Fuel Economy, Buike et al., 1981.

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