Motor-assisted variable geometry turbocharging system
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 14, 2000
Grant Date -
N/A
app pub date -
Jul 3, 1997
filing date -
Jul 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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