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Patent Searching and Data


Title:
AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/199719
Kind Code:
A1
Abstract:
This air conditioning system (100) comprises: refrigerant piping (3) for channeling refrigerant between an outdoor unit (1) and a plurality of indoor units (2); detection devices (22) provided in air-conditioned areas respectively handled by the plurality of indoor units (2), the detection devices (22) each having a refrigerant sensor (220) for detecting leakage of the refrigerant into the corresponding air-conditioned area, and a relay (221) for closing a leakage notification circuit (25) if the refrigerant sensor (220) detects leakage of the refrigerant; and a cutoff valve device (4) having a cutoff valve (40) provided to the refrigerant piping (3), and a control unit (41) for closing the cutoff valve (40) when the leakage detection circuit (25) is closed, the control unit (41) being connected to the leakage detection circuit (25).

Inventors:
ADACHI NAOYA (JP)
ARAI KENTA (JP)
Application Number:
PCT/JP2023/011453
Publication Date:
October 19, 2023
Filing Date:
March 23, 2023
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
F24F11/526; F24F11/36; F25B41/24; F25B49/02
Domestic Patent References:
WO2017002215A12017-01-05
WO2021157395A12021-08-12
WO2017163321A12017-09-28
Foreign References:
JP2018091550A2018-06-14
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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