Refrigerant compressor and refrigeration device including refrigerant compressor
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United States of America Patent
Stats
-
Dec 15, 2020
Grant Date -
Nov 29, 2018
app pub date -
Aug 26, 2016
filing date -
Sep 7, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
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).
First Claim
Family
International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C10N:INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M
- C10M:LUBRICATING COMPOSITIONS
- F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04C:ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DIS....
- F25B:REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBIN....
- F03C:POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F01C:ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR EN....
- [Classification Symbol]
- [Patents Count]
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