Title:
COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/118385
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 bearing which is provided in the closed container and comprises a discharge port for discharging the refrigerant compressed in the compression chamber; and a discharge mechanism which comprises a guide cover that is provided to the bearing had has a cylindrical section with a guide hole configured on the interior thereof, a valve body that is provided in the guide hole, and a connection member that is provided in the guide hole and connects the guide cover and the valve body, and which opens and closes the discharge port via the movement of the valve body in the guide hole, wherein if ar is the inner diameter of the cylindrical section in the direction orthogonal to the movement direction in which the valve body moves along the guide hole, br is the outermost diameter of the valve body in the direction orthogonal to the movement direction in which the valve body moves along the guide hole, and Δc is the clearabce between the inner diameter ar of the cylindrical section and the outermost diameter br of the valve body, then Δc=ar-br and 1/1000≤Δc/br≤1/100.
Inventors:
HAMADA RYO (JP)
Application Number:
PCT/JP2020/044807
Publication Date:
June 09, 2022
Filing Date:
December 02, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C29/12; F04B39/10
Foreign References:
| JP2006299941A | 2006-11-02 | |||
| JPH08133307A | 1996-05-28 | |||
| JPS56105683U | 1981-08-18 | |||
| JPS5785661U | 1982-05-27 | |||
| JPH08144974A | 1996-06-04 | |||
| JPS58178489U | 1983-11-29 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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