Structure for fixing shaft member in rotor member for fluid pump
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United States of America Patent
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-
Feb 27, 2018
Issued Date -
N/A
app pub date -
Jul 24, 2014
filing date -
Aug 9, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a fluid-pump inner rotor that can be easily fitted to an outer rotor. This fluid-pump inner rotor includes a rotor member having a through hole along a rotational axis and a shaft member fitted in the through hole. Fitting strength between a first hole region provided in an inner face of the through hole of the rotor member which region extends along a rotational axis of the rotor member from one of end faces thereof perpendicular to this rotational axis and a first shaft region provided in an outer face of the shaft member is set greater than fitting strength between a second hole region provided in the inner face of the through hole of the rotor member and a second shaft region provided in the outer face of the shaft member.
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