PREHEATING DEVICE FOR COMPRESSORS

A preheater for a compressor that is capable of heating a lubricant oil efficiently with smaller power is provided. A preheater (50) for a compressor (15) includes: a capacitive oil surface sensor (46) that is provided at a compressor (15) used in a refrigerating cycle, and detects an oil surface of...

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Bibliographic Details
Main Authors KISHIWAKI, Yuusuke, ISHIZEKI, Shinichi, FUJIWARA, Masahide, DOUMAE, Hiroshi, IKEDA, Motonobu
Format Patent
LanguageEnglish
French
German
Published 06.03.2019
Subjects
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
WEAPONS
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Summary:A preheater for a compressor that is capable of heating a lubricant oil efficiently with smaller power is provided. A preheater (50) for a compressor (15) includes: a capacitive oil surface sensor (46) that is provided at a compressor (15) used in a refrigerating cycle, and detects an oil surface of a lubricant oil A in the compressor (15); and a power supply unit (45) that applies high-frequency voltage to the oil surface sensor (46).
Bibliography:Application Number: EP20150868365