Refrigerant compressor and refrigeration device including refrigerant compressor
US10865782B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2016 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Jun 16, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2253/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A refrigerant compressor comprises an electric component; and a compression component which is driven by the electric component and compresses a refrigerant. At least one of slide members included in the compression component is made of an iron-based material. An oxide coating film (150) is provided on a slide surface of the iron-based material, the oxide coating film including a first portion (151), a second portion (152), and/or a third portion (153). The first portion (151) contains at least fine crystals (155). The second portion (152) contains columnar grains (156). The third portion (153) contains layered grains (157).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.