Engine supercharger drive device
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United States of America Patent
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Sep 8, 2015
Grant Date -
Jul 26, 2012
app pub date -
Apr 6, 2012
filing date -
Oct 14, 2009
priority date (Note) -
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Abstract
A supercharger drive device (1) for a combustion engine (E) includes a gear carrier shaft (6) operable to rotate in unison with a crankshaft (2) of the combustion engine (E), a high speed gear (8) and a low speed gear (10) provided in the gear carrier shaft (6), a drive shaft (14) of a supercharger (12) which is rotatable when coupled with either one of the high speed gear (8) and the low speed gear (10), a gear shifter (16) for selecting one of the high speed gear (8) and the low speed gear (10) for transmitting a motive force from the gear carrier shaft (6) to the drive shaft (14) through the selected one of the high and low speed gears (8) and (10), and a shifter drive unit (18) for actuating the gear shifter (16) in dependence on the rotational speed of the combustion engine (E).
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