CONTINUOUS CAMSHAFT PHASE SHIFTING APPARATUS
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United States of America Patent
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Issued Date -
Mar 18, 2010
app pub date -
Sep 18, 2007
filing date -
Sep 19, 2006
priority date (Note) -
Abandoned
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Abstract
A phase shift mechanism (A) for controlling a phase shift angle between a camshaft (12) and a drive (10) comprises a planetary gear train (20). The planetary gear train (20) has first and second planet gears (34, 26) that are united to rotate about common axis at the same angular velocity, and a carrier (32) which includes a first planet bearing (62) and a second planet bearing (64) on which the united first and second planet gears (34, 36) respectively rotate and a locking mechanism (24) carried by the carrier (32) for locking the planetary gear train (20) in a locked condition by preventing the planet gears (34, 36) from rotating relative to the carrier (32) such that the phase shift angle remains the same and the output shaft 26 rotates with the input shaft (18) at the same angular velocity.
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