Hydraulically-actuated exhaust gas recirculation system and turb

Details Hydraulically-actuated exhaust gas recirculation system and turb Hydraulically-actuated exhaust gas recirculation system and turb

1997-06-09

2000-03-28

Wolfe, Willis R.

Power plants

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

With supercharging means for engine

F02M 2507

Patent

active

060416025

ABSTRACT:
An exhaust gas recirculation pump is used to pump exhaust gas from an exhaust manifold to the intake manifold of an engine. The recirculation pump is hydraulically actuated. The compressor stage of a turbocharger is hydraulically assisted by a hydraulically-driven turbine mechanically connected to the turbocharger compressor stage to provide additional compressed intake airflow during transient engine conditions or during periods when the engine provides low exhaust energy to the gas-driven turbine section of the turbocharger.

REFERENCES:
patent: 3869866 (1975-03-01), Timoney
patent: 4231225 (1980-11-01), Aya
patent: 4478043 (1984-10-01), Kobavashi et al.
patent: 4622817 (1986-11-01), Kobayashi
patent: 5375419 (1994-12-01), Wright et al.
patent: 5657630 (1997-08-01), Kjemtrup et al.
patent: 5771868 (1998-06-01), Khair
patent: 5791146 (1998-08-01), Dungner

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