REFRIGERATING DEVICE

PROBLEM TO BE SOLVED: To provide a refrigerating device capable of reliably and efficiently circulating a lubricant among compressors.SOLUTION: A plurality of oil retention tanks for separating oil mixed in a discharged refrigerant of each compressor, and retaining the same, are disposed, a lubrican...

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Bibliographic Details
Main Authors UENO KIYOTAKA, KUBOTA HIKARI
Format Patent
LanguageEnglish
Published 07.10.2013
Subjects
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a refrigerating device capable of reliably and efficiently circulating a lubricant among compressors.SOLUTION: A plurality of oil retention tanks for separating oil mixed in a discharged refrigerant of each compressor, and retaining the same, are disposed, a lubricant L is recovered in the same outdoor unit first, then the lubricant L is replenished from the other outdoor unit when the lubricant is continuously insufficient regardless of the recovery. In particular, a pressure of a high pressure refrigerant is added to a first pipe conduit through which the lubricant passes, in recovering the lubricant from the oil retention tank.
Bibliography:Application Number: JP20120074827