Title:
OPEN/CLOSE VALVE UNIT AND REFRIGERATION DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/215218
Kind Code:
A1
Abstract:
This open/close valve unit comprises: a block body having formed therein a first main flow path which has a first opening and a second opening that are an inlet and an outlet for a fluid, and a second main flow path which has a third opening and a fourth opening that are an inlet and an outlet for the fluid and which is parallel to the first main flow path; a first open/close valve that is provided to the first main flow path and has a first valve body that moves in the first main flow path to open/close the first main flow path; and a second open/close valve that is provided to the second main flow path and has a second valve body that moves in the second main flow path to open/close the second main flow path. The first open/close valve is set to an open state while in an energized state, and the second open/close valve is in a non-energized state when the first open/close valve is in the energized state, and is set to an open state by the dynamic pressure of the fluid flowing through the second main flow path.
Inventors:
KUMOKAWA SHOTA (JP)
ISHIMURA KATSUHIRO (JP)
OKANO HIROYUKI (JP)
ISHIMURA KATSUHIRO (JP)
OKANO HIROYUKI (JP)
Application Number:
PCT/JP2021/014855
Publication Date:
October 13, 2022
Filing Date:
April 08, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B49/02; F25B41/20; F25B41/24
Domestic Patent References:
| WO2018092186A1 | 2018-05-24 |
Foreign References:
| JPH08109877A | 1996-04-30 | |||
| JPS62186012A | 1987-08-14 | |||
| JP2017149370A | 2017-08-31 | |||
| JP2020109343A | 2020-07-16 | |||
| JPH05118720A | 1993-05-14 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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