Title:
COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/240846
Kind Code:
A1
Abstract:
Provided is a compressor in which abrasion resistance of a sliding material has been improved. To solve this problem, a compressor 40 comprises a compression chamber 43 that is formed inside a cylinder 41 and that compresses a gas, and a piston ring 421 and a rider ring 422 that form the compression chamber 43 by contact with the inner wall of the cylinder 41, the piston ring 421 and the rider ring 422 being provided with a resin member and metal particles that are positioned inside the resin member and that have a surface layer including an affinity site having an affinity for the resin member.
Inventors:
ONODERA TASUKU (JP)
KOBAYASHI YOSHIO (JP)
KOBAYASHI YOSHIO (JP)
Application Number:
PCT/JP2020/044591
Publication Date:
December 02, 2021
Filing Date:
December 01, 2020
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
F04B39/00; F16J9/26
Foreign References:
| JP2015200339A | 2015-11-12 | |||
| JP2015203390A | 2015-11-16 | |||
| JP2011179392A | 2011-09-15 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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