ROTARY COMPRESSOR - FUJITSU GENERAL LTD

Title:

ROTARY COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2021/201033

Kind Code:

A1

Abstract:

The present invention provides a rotary compressor that is capable of inhibiting the over-compression of a compressed refrigerant compressed in a compression chamber, and that excels in energy efficiency and reliability. Provided is a rotary compressor (1) comprising a discharge port (190) that is provided to an end plate (160), with a portion of the discharge port (190) being positioned on the outer side of a cylinder inner wall (123), and a discharge groove (137) that is provided to the cylinder inner wall (123) and communicates with a compression chamber (133) and the discharge port (190), the compression chamber (133) compressing a refrigerant by contracting along with the revolution of an annular piston (125). The discharge port (190) faces the end part (128a), at the compression chamber–side cylinder inner wall (123), of a vane groove (128).

Inventors:

UCHIKAI HIDETO (JP)
FURUKAWA MOTONOBU (JP)
KATAYAMA HIROKI (JP)
SASAKI TAKAHIRO (JP)

Application Number:

PCT/JP2021/013690

Publication Date:

October 07, 2021

Filing Date:

March 30, 2021

Export Citation:

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Assignee:

FUJITSU GENERAL LTD (JP)

International Classes:

F04C18/356

Foreign References:

JP2016160793A	2016-09-05
JPS62156181U	1987-10-03
JPS5260912U	1977-05-04
CN207033735U	2018-02-23