Title:
ROTARY MACHINE AND METHOD FOR MANUFACTURING INNER BODY PART OF ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/003661
Kind Code:
A1
Abstract:
An electric compressor comprising an electric motor equipped with a rotor and a stator, and a motor housing arranged around the periphery of the stator. The motor housing comprises a tubular inner housing, a tubular inner housing, and a helical groove that circles the outer circumference of the inner housing at least once and through which a cooling medium passes. The groove includes a pair of side surfaces opposing each other in the rotational axis direction of the rotor, and a bottom surface connected to both side surfaces. Both side surfaces are provided so as to have a draft angle inclined in the direction opposite the direction in which the side surfaces oppose each other, with the release direction orthogonal to the rotational axis direction as a reference.
Inventors:
IIZUKA KUNIAKI (JP)
SASAKI YUJI (JP)
INOMATA TATSUMI (JP)
YUMOTO RYOSUKE (JP)
IIJIMA KAI (JP)
FUKUI TATSUYA (JP)
SUGIURA HIKARU (JP)
KATSU YOSHIHITO (JP)
SASAKI YUJI (JP)
INOMATA TATSUMI (JP)
YUMOTO RYOSUKE (JP)
IIJIMA KAI (JP)
FUKUI TATSUYA (JP)
SUGIURA HIKARU (JP)
KATSU YOSHIHITO (JP)
Application Number:
PCT/JP2019/012961
Publication Date:
January 02, 2020
Filing Date:
March 26, 2019
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F04D29/58; F04D29/42; H02K5/06; H02K5/20; H02K9/19
Domestic Patent References:
| WO2015098328A1 | 2015-07-02 |
Foreign References:
| JP2008527955A | 2008-07-24 | |||
| JP2009017777A | 2009-01-22 | |||
| CN1545185A | 2004-11-10 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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