油分率測定装置およびこれを用いた冷凍装置

Japanese Patent JP4578729

B2

An oil content measuring device measures the oil content of a refrigerant in a supercritical or a vapor phase state. A refrigeration system uses the oil content measuring device. The oil content measuring device has an electrostatic capacity measuring device for measuring an electrostatic capacity of the refrigerant containing a refrigerating machine oil, a density measuring device for measuring a density of at least one of the refrigerant and the refrigerating machine oil, a computing device for performing a computation on correlation characteristics between the electrostatic capacity and an oil content which indicates the ratio of the amount of the refrigerating machine oil to the amount of the refrigerant containing the refrigerating machine oil, using the density measured by the density measuring device. An oil content determining device determines an oil content at the measuring time from an electrostatic capacity using the correlation characteristics obtained by the computing device.

WO/2019/165734	RAPID COMBINED DETECTION DEVICE FOR DETECTING DETERIORATION DEGREE OF FRYING OIL AND DETECTION METHOD THEREFOR
WO/1994/010556	APPARATUS FOR DETECTING AND INDICATING THE PRESENCE OF OIL DERIVATES CONTAINED IN WATER, ESPECIALLY SOIL OR GROUND WATERS
JP2021128154	PLATED COPPER CONDUCTOR STRUCTURES FOR SELF-RESONANT SENSORS AND MANUFACTURE THEREOF

Tadashi Hotta
Yukatsu Ozaki
Toshio Hirata

JP2001206891A

November 10, 2010

July 06, 2001

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株式会社日本自動車部品総合研究所
株式会社デンソー

G01N27/22; F25B1/00; F25B31/00; G01N33/30

JP3233269A
JP9178689A
JP7146042A
JP11125616A
JP7253250A

Kazuyuki Yahagi
Taihei Nonobe

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