Title:
EXPANSION VALVE AND REFRIGERATION CYCLE DEVICE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2018/131122
Kind Code:
A1
Abstract:
This expansion valve (1) has a valve main body (3) provided with a valve chamber (5). A valve seat (9) is provided in the valve main body (3) and a valve body (7) is inserted into the valve main body (3). The valve main body (3) is provided with a first pipe (13) and a second pipe (15) that both communicate with the valve chamber (5). Rectifier plates (21) are respectively disposed in a portion where the valve main body (3) and the first pipe (13) are connected and a portion where the valve main body (3) and the second pipe (15) are connected. Refrigerant passages (23a) and refrigerant passages (23b) which have different passage areas through which a refrigerant passes, are provided in the rectifier plates (21). The passage area of the refrigerant passages (23b) is narrower than the passage area of the refrigerant passages (23a). The thickness of the rectifier plates (21) is set to a uniform thickness (T).
Inventors:
SHIMAZU YUSUKE (JP)
Application Number:
PCT/JP2017/000836
Publication Date:
July 19, 2018
Filing Date:
January 12, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B41/06
Domestic Patent References:
| WO2016002022A1 | 2016-01-07 |
Foreign References:
| JP2006275452A | 2006-10-12 | |||
| JP2004076957A | 2004-03-11 | |||
| JP2014238207A | 2014-12-18 | |||
| JPS5083820A | 1975-07-07 | |||
| JP2007162851A | 2007-06-28 | |||
| JP2014238207A | 2014-12-18 |
Other References:
See also references of EP 3569954A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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