Automotive air blowers
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United States of America Patent
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Apr 27, 2010
Grant Date -
Nov 23, 2006
app pub date -
Feb 13, 2004
filing date -
Feb 17, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An automotive air blower, in particular a supercharger, comprises an air pump, such as an air impeller (2) connected to the output shaft (4) of a transmission system, the input shaft of which is connected, in use, to the engine of a motor vehicle. The input and output shafts (6, 4) are connected to respective branches of a three-branch epicyclic differential gearset. The third branch of the gearset and the input shaft (6) are connected to the rotor (20, 22) of respective electrical machines, the electrical connections of the stators (24, 26) of which machines are connected together via a controller (27) arranged to control the flow of electric power between them.
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