REFRIGERATING APPARATUS AND REFRIGERANT COMPRESSOR

• Main Authors: KOUSOKABE, HIROKATSU, FUKUDA, KATSUMI, IIZUKA, TADASHI, TANAKA, MAKOTO, HATA, HIROAKI, NAKA, REISHI, HOMMA, YOSHIHARU, NARIYOSHI, KOJI, IWATA, HIROSHI
• Format: Patent
• Language: English
• Published: 08.07.1992
• Edition: 5
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; COMBINED HEATING AND REFRIGERATION SYSTEMS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYES; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; FUELS; GENERATION; HEAT PUMP SYSTEMS; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; LUBRICANTS; LUBRICATING COMPOSITIONS; MANUFACTURE OR STORAGE OF ICE; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; POLISHES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION; WEAPONS

A refrigerating apparatus comprising a refrigeration cycle comprising at least a compressor, a condenser, a dryer, an expansion mechanism and an evaporator, a refrigerant composed mainly of a fluorocarbon type refrigerant containing no chlorine and having a critical temperature of 40 DEG C or higher, and a refrigerating machine oil comprising as base oil an ester oil of one or more fatty acids which contains at least two ester linkages in the molecule and has a viscosity at 40 DEG C of 2 to 70 cSt and a viscosity at 100 DEG C of 1 to 9 cSt.