Title:
COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/144953
Kind Code:
A1
Abstract:
A compressor according to the present disclosure comprises: an electric motor unit that has a rotor and stator; a drive shaft that is fixed to the rotor and rotates by means of the motive power of the electric motor unit; a compression unit that is connected to the drive shaft and compresses refrigerant by using the motive power of the electric motor unit transmitted by the drive shaft; a container in the interior of which the electric motor unit, the drive shaft, and the compression unit are housed, and at the bottom of which refrigerator oil is stored; a suction pipe that is provided to the container and supplies, to the interior of the container, the refrigerant compressed by the compression unit; a refrigerant flow passage part comprising a plurality of flow passage sections that pass through the stator, and piping that connects at least two of the flow passage sections; and supply piping that connects to the refrigerant flow passage part and supplies, to the refrigerant flow passage part, refrigerant outside of the container.
Inventors:
HORIGUCHI DAISUKE (JP)
TATSUWAKI KOHEI (JP)
TATSUWAKI KOHEI (JP)
Application Number:
PCT/JP2022/003014
Publication Date:
August 03, 2023
Filing Date:
January 27, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C29/00; F04C18/02; F04C29/04; H02K9/19
Foreign References:
| JP2013042588A | 2013-02-28 | |||
| JPS4718006U | 1972-10-31 | |||
| JP2009284755A | 2009-12-03 | |||
| JPH0370062U | 1991-07-12 | |||
| JPS6240284U | 1987-03-10 | |||
| JPH03119581U | 1991-12-10 | |||
| CN209134205U | 2019-07-19 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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