Rotary machine and pump driving apparatus
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United States of America Patent
Stats
-
Mar 29, 2016
Grant Date -
Apr 25, 2013
app pub date -
Oct 24, 2012
filing date -
Oct 24, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A rotary machine includes a rotary shaft having two driving reactive force receiving parts that are displaced in an axial direction and are applied with diametrical reactive forces having different rotation phases from driving targets as normal loads; and bearings that rotatably support the rotary shaft wherein the rotary shaft is rotated at a state where the rotary shaft is supported by the bearings to drive the driving targets via the driving reactive force receiving parts, wherein the bearings are respectively provided at both axial sides of one of the two driving reactive force receiving parts, which receives a higher normal load, and wherein a leading end side of the rotary shaft more than the other of the two driving reactive force receiving part, which receive a lower normal load lower than the higher normal load, is configured as a free end.
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