Turbocharging system with integral assisting electric motor and cooling system therefor
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United States of America Patent
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-
Feb 25, 1997
Grant Date -
N/A
app pub date -
Sep 18, 1995
filing date -
Sep 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An exhaust gas-driven turbine drives a compressor to charge an internal combustion engine. An integral motor is positioned on the connecting shaft to add power to the turbocharging shaft, especially at low exhaust gas volume. Cooling for this motor includes circulation of engine oil therearound and may include insulation to limit heat inflow from the turbine and may include air flow through the motor to carry away heat inflow from the turbine.
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