Motor-assisted variable geometry turbocharging system

Details Motor-assisted variable geometry turbocharging system Motor-assisted variable geometry turbocharging system

1995-07-28

1996-10-01

Koczo, Michael

Power plants

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

With supercharging means for engine

60600, 60602, 60611, F02B 3714

Patent

active

055602088

ABSTRACT:
The motor-assisted variable geometry turbocharging system has a motor to add power to the turbocharging shaft, especially at low exhaust gas volume. Additionally, the turbocharger has control over compressor air inlet direction and/or control of exhaust gas to a two-volute expander. These are individually controlled directly or indirectly from an engine controller to enhance turbocharger performance. In a preferred embodiment, the motor is an electric motor, mounted directly on the turbocharger shaft intermediate the turbo expander and turbo compressor and within the main housing.

REFERENCES:
patent: 4850193 (1989-07-01), Kawamura
patent: 4878347 (1989-11-01), Kawamura
patent: 4882905 (1989-11-01), Kawamura
patent: 4901530 (1990-02-01), Kawamura
patent: 5025629 (1991-06-01), Woollenweber

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