Title:
VALVE DEVICE AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/244476
Kind Code:
A1
Abstract:
[Problem] To provide a valve device and an air conditioning device with which leakage of a refrigerant can be suppressed and the number of components can be reduced. [Solution] A valve device 10 has one valve body 100 having a plurality of refrigerant passages, and a plurality of valve units mounted to the valve body 100. The plurality of refrigerant passages include an entrance passage 110 connected to an entrance opening 171 in a front surface 101 of the valve body 100, an exit passage 120 connected to an exit opening 172 in a rear surface 102 of the valve body 100, a refrigerant expansion passage 130 connecting the entrance passage 110 and the exit passage 120, and a bypass passage 140 connecting the entrance passage 110 and the exit passage 120. The plurality of valve units include an expansion valve unit 200 capable of changing the passage area of the refrigerant expansion passage 130, a first opening/closing valve unit 300 capable of opening and closing the refrigerant expansion passage 130, and a second opening/closing valve unit 400 capable of opening and closing the bypass passage 140.
Inventors:
KAINUMA HIROSHI (JP)
Application Number:
PCT/JP2022/014739
Publication Date:
November 24, 2022
Filing Date:
March 25, 2022
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F25B41/31; B60H1/22; B60H1/32; F25B41/335
Foreign References:
| JPH102623A | 1998-01-06 | |||
| JP2000130889A | 2000-05-12 | |||
| JP2013072531A | 2013-04-22 |
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
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