Control system for a turbo-supercharger of an internal combustio

Details Control system for a turbo-supercharger of an internal combustio Control system for a turbo-supercharger of an internal combustio

1988-02-02

1990-03-20

Hart, Douglas

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

F02B 3700

Patent

active

049090356

ABSTRACT:
A turbo-supercharger for an engine includes a turbine casing formed with two scrolls. A shut-off valve is provided for closing one of the scrolls in a low speed engine operation. The shut-off valve is operated by a pneumatic actuator which is normally biased to force the shut-off valve to the open position. Under a low speed engine operation, the intake suction pressure is applied to the actuator to move the shut-off valve to the closed position.

REFERENCES:
patent: 3557549 (1971-01-01), Webster
patent: 4203296 (1980-05-01), Tanaka
patent: 4404804 (1983-09-01), Tadokoro
patent: 4617799 (1986-10-01), Tadokoro
patent: 4658586 (1987-04-01), Iwasa
patent: 4745753 (1988-05-01), Tadokoro

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