Title:
液面検知装置、およびそれを備えた空気調和装置
Document Type and Number:
Japanese Patent JP7278408
Kind Code:
B2
Abstract:
A liquid level detector includes: a vertically-mounted accumulator configured to store refrigerant; a heater configured to heat the accumulator; a temperature detector configured to detect a surface temperature of the accumulator; a pressure detector configured to detect a pressure of the refrigerant in the accumulator; and a controller configured to detect a position of a liquid surface of the refrigerant in the accumulator based on a surface temperature of the accumulator detected by the temperature detector when the accumulator is heated by the heater, and a pressure of the refrigerant in the accumulator detected by the pressure detector.
Inventors:
Hiroki Maruyama
Takuya Matsuda
Hiroyuki Okano
Naomichi Tamura
Takuya Matsuda
Hiroyuki Okano
Naomichi Tamura
Application Number:
JP2021558043A
Publication Date:
May 19, 2023
Filing Date:
November 18, 2019
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G01F23/22
Domestic Patent References:
| JP2006250480A | ||||
| JP1107071A |
Foreign References:
| WO2014054312A1 | ||||
| WO2019065242A1 | ||||
| CN105865574A | ||||
| US20150064040 |
Attorney, Agent or Firm:
Patent Attorney Corporation Kisa Patent and Trademark Office
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