Coolant compressor and refrigeration device using same
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsYoshinori ISHIDA, Shingo OYAGI, Hiroyuki FUKUHARA, Hirotaka KAWABATA
Life of this patent
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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).
Claims15
A refrigerant compressor comprising:
- an electric component;
- and
- a compression component which is driven by the electric component and compresses a refrigerant,
- wherein at least one of slide members included in the compression component is made of an iron-based material, and an oxide coating film is provided on a slide surface of the iron-based material, the oxide coating film including a first portion containing at least fine crystals, a second portion containing columnar grains, and/or a third portion containing layered grains.
Dependencies are inferred from the claim text.