REFRIGERANT COMPRESSOR AND REFRIGERATION/COLD STORAGE APPLIANCE IN WHICH SAME IS USED

REFRIGERANT COMPRESSOR AND REFRIGERATION/COLD STORAGE APPLIANCE IN WHICH SAME IS USED

A refrigerant compressor (100) reserves lubricating oil (103) having kinetic viscosity of 0.1 to 5.1 mm/S at 40 C in a sealed container (101), and accommodates therein an electric component (106), and a compression component (107). The compression component (107) includes: as a shaft portion, a cran...

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Hauptverfasser: IDE, Terumasa, KAWABATA, Hirotaka, HAYASHI, Hiroto, YOKOTA, Kazuhiro, TORIMASU, Hiroki, AKASHI, Hironari, HAYASHI, Yasushi, OYAGI, Shingo, ISHIDA, Yoshinori, YAGI, Akio
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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creator IDE, Terumasa
KAWABATA, Hirotaka
HAYASHI, Hiroto
YOKOTA, Kazuhiro
TORIMASU, Hiroki
AKASHI, Hironari
HAYASHI, Yasushi
OYAGI, Shingo
ISHIDA, Yoshinori
YAGI, Akio
description A refrigerant compressor (100) reserves lubricating oil (103) having kinetic viscosity of 0.1 to 5.1 mm/S at 40 C in a sealed container (101), and accommodates therein an electric component (106), and a compression component (107). The compression component (107) includes: as a shaft portion, a crank shaft (108) including a main shaft (109) and an eccentric shaft (110); and as a bearing portion, a main bearing (114) supporting the main shaft (109) and an eccentric bearing (119) supporting the eccentric shaft (110). A treated surface, such as an oxide film, having hardness equal to or more than hardness of the bearing portion (the main bearing (114) or the eccentric bearing (119)) is formed on at least one of a surface of the main shaft (109) and a surface of the eccentric shaft (110). With this, even when lubricating oil having low viscosity is used, satisfactory reliability can be realized at a sliding portion.
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title REFRIGERANT COMPRESSOR AND REFRIGERATION/COLD STORAGE APPLIANCE IN WHICH SAME IS USED
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