Cooling structure of generator motor and generator motor
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United States of America Patent
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-
Nov 11, 2014
Issued Date -
N/A
app pub date -
Mar 26, 2012
filing date -
Mar 31, 2011
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A cooling structure of a generator motor includes: a first passage provided to an end side member placed at one end of a housing of a generator motor, the first passage extending toward a rotation center axis of an input/output shaft housed in the housing, the first passage opening to a side of the input/output shaft, and the first passage including a restriction section halfway through; and a second passage provided to the end side member, branching off from the first passage at a position on an outer side in a radial direction of the input/output shaft than the restriction section and subsequently extending toward a rotor attached to an outside of the input/output shaft, and the second passage opening to a side of the rotor.
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