OIL SEPARATOR, COMPRESSOR, AND REFRIGERATION CYCLE DEVICE

WIPO Patent Application WO/2024/057444

A1

This oil separator comprises: an oil separation section having a tubular outer tube part into which a refrigerant and refrigerator oil flow, and a tubular inner tube part that is provided in the interior of the outer tube part, and that separates the refrigerant and the refrigerator oil by forming a swirling flow in a gap between the inner tube part and the outer tube part; and an oil reservoir section that is provided below the oil separation section, and that stores the separated refrigerator oil. An oil reservoir chamber, which stores the separated refrigerator oil that flows in, and an oil surface detection chamber, which is connected to the oil reservoir chamber via a partition wall and is provided with an oil surface level sensor for detecting the oil surface of the refrigerator oil, are formed in the oil reservoir section. A pressure equalization means for bringing the pressure inside the oil surface detection chamber closer to the pressure inside the oil reservoir chamber is provided, and a reservoir bottom surface hole formed in the bottom surface of the oil reservoir chamber is connected to a detection bottom surface hole formed in the bottom surface of the oil surface detection chamber.

JPS6069386	[Title of the device] Scroll type compressor
WO/2021/246261	METHOD FOR CHARGING LUBRICANT
JP6058512	Scroll type fluid machinery

MATSUSHITA TAKAHIRO (JP)
KANDA MASAHIRO (JP)

PCT/JP2022/034414

March 21, 2024

September 14, 2022

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MITSUBISHI ELECTRIC CORP (JP)

F04C29/02; F04B39/02; F25B1/00; F25B43/02

WO2019202682A1	2019-10-24
WO2021229797A1	2021-11-18

JPH05141371A	1993-06-08
JP2002138961A	2002-05-17

KISA PATENT & TRADEMARK FIRM (JP)

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