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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/189488
Kind Code:
A1
Abstract:
Provided is motor comprising: a rotor having a shaft extending along a center axis; a stator facing the rotor in a radial direction; a housing surrounding the stator; a hermetic chamber provided within the housing and containing a cooling medium; and a pressure regulation device connected to the hermetic chamber. The pressure regulation device has: a pressure regulation section comprising an elastic body in contact with the cooling medium; and a sharp section positioned outside the hermetic chamber and capable of coming into contact with the pressure regulation section.

Inventors:
NAKAMURA, Yoshinobu (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2019/013402
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K9/19
Foreign References:
JP2016167940A2016-09-15
JPS63160051U1988-10-19
JPH07111222A1995-04-25
JPH03226964A1991-10-07
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