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Patent Searching and Data


Title:
SHUT-OFF VALVE DEVICE AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/026643
Kind Code:
A1
Abstract:
This shut-off valve device is provided to a liquid communication pipe (11) and a gas communication pipe (14) which connect an outdoor unit (110) and an indoor unit (120) of an air conditioner (100). The shut-off valve device includes a first unit (72) and a second unit (73) that is separate from the first unit (72). The first unit (72) includes a first refrigerant pipe (P11) connected to the liquid communication pipe (11), a first shut-off valve (EV5) that is provided to the first refrigerant pipe (P11) and switches between allowing the flow of and blocking a refrigerant in the first refrigerant pipe (P11), and a first casing (30) that accommodates the first refrigerant pipe (P11) and the first shut-off valve (EV5). The second unit (73) includes a second refrigerant pipe (P12) connected to the gas communication pipe (14), a second shut-off valve (EV6) that is provided to the second refrigerant pipe (P12) and switches between allowing the flow of and blocking a refrigerant in the second refrigerant pipe (P12), and a second casing (40) that accommodates the second refrigerant pipe (P12) and the second shut-off valve (EV6).

Inventors:
YASUNO MASAFUMI (JP)
FUKUYAMA YUTA (JP)
KAKIHATA KAZUYA (JP)
Application Number:
PCT/JP2022/023757
Publication Date:
March 02, 2023
Filing Date:
June 14, 2022
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F1/32; F25B41/24; F25B41/40
Domestic Patent References:
WO2019102517A12019-05-31
WO2020174622A12020-09-03
Foreign References:
JP2019113258A2019-07-11
JP2019045129A2019-03-22
JP2006300381A2006-11-02
JP2012013275A2012-01-19
JPH024377Y21990-02-01
JPH1078273A1998-03-24
JP2016191502A2016-11-10
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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