Variable capacity turbocharger control device

Details Variable capacity turbocharger control device Variable capacity turbocharger control device

1985-02-27

1987-07-14

Koczo, Michael

Power plants

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

With supercharging means for engine

F02B 3712

Patent

active

046793984

ABSTRACT:
An apparatus for controlling a turbocharger includes a compressor and a turbine coupled to the compressor and comprises a variable capacity device for varying the flow rate of an exhaust gas introduced into the turbine in the low speed state of an engine connected to the turbocharger, an exhaust gas bypass device bypassing the variable capacity device and the turbine to control the flow rate of the exhaust gas in the high speed state of the engine, and an overboost device for detecting the accelerating state of the engine and controlling the operation of the exhaust gas bypass device such that the exhaust gas bypass device reduces the flow rate of the exhaust gas introduced into the turbine only when the supercharging pressure has reached a predetermined pressure in the accelerating state of the engine.

REFERENCES:
patent: 4177006 (1979-12-01), Nancarrow
patent: 4459808 (1984-07-01), Rydquist et al.

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