Title:
COMPRESSOR AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2020/202515
Kind Code:
A1
Abstract:
Provided is a compressor and the like with high reliability. A compressor (100) includes a cylindrical oil ring (15) provided between a compression mechanism portion (2) and an electric motor (6). A stator (6a) of the electric motor (6) is provided with at least one oil passage that connects one side of the stator (6a) with the other side of the same in an axial direction. An upstream end of a discharge pipe (Pb) is located radially inward of the oil ring (15), and the oil ring (15) is provided radially inward of the oil passage when viewed cross-sectionally. In the cross-sectional view including a part where the discharge pipe (Pb) is inserted into the oil ring (15), at least a part of the oil passage overlaps with the oil ring (15) in a radial direction.
Inventors:
NOZAKI TSUTOMU (JP)
MATSUNAGA KAZUYUKI (JP)
KURONO RYO (JP)
MATSUNAGA KAZUYUKI (JP)
KURONO RYO (JP)
Application Number:
PCT/JP2019/014882
Publication Date:
October 08, 2020
Filing Date:
April 03, 2019
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F04C29/02; F04B39/00; F04B39/04; F04C18/02
Foreign References:
| JP2002098056A | 2002-04-05 | |||
| JP2003003974A | 2003-01-08 | |||
| JP2016113901A | 2016-06-23 | |||
| JP2015109732A | 2015-06-11 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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