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Patent Searching and Data


Title:
COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/118384
Kind Code:
A1
Abstract:
This compressor comprises: a closed container; a cylinder which is provided in the closed container and has a compression chamber in which a refrigerant is compressed provided on the interior thereof; a main shaft which is provided in the closed container; a bearing which is provided to the main shaft and comprises a discharge port for discharging the refrigerant compressed in the compression chamber; and a discharge mechanism which comprises a guide cover provided to the bearing and having a guide hole on the interior thereof and a valve body provided in the guide hole, and which opens and closes the discharge port via the movement of the valve body in the guide hole, wherein a connection hole that connects the guide hole and the closed container interior into which the refrigerant discharged from the discharge port is discharged is formed in the guide cover, and refrigeration oil retained in the closed container is supplied to the connection hole.

Inventors:
HAMADA RYO (JP)
Application Number:
PCT/JP2020/044806
Publication Date:
June 09, 2022
Filing Date:
December 02, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C29/12; F04B39/10
Foreign References:
JP2006299941A2006-11-02
JPH02145675U1990-12-11
JPS6348988U1988-04-02
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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