Title:
MOTOR-OPERATED VALVE
Document Type and Number:
WIPO Patent Application WO/2023/084893
Kind Code:
A1
Abstract:
A motor-operated valve comprises a valve body 12 having a valve chamber 13 communicating with a refrigerant inflow passage 16 and a refrigerant outflow passage 15, a valve element 17 that moves back and forth with respect to a valve seat 14 formed in the valve chamber to change the refrigerant flow rate, an electric motor 23 that drives the valve element, a board 46 that controls an electric motor, and a board accommodating portion including a case 43 that accommodates the board, wherein the board has a fixing hole for fixing the board in the case, the case has a supporting projection inserted into the fixing hole to support the board in the case, and the supporting projection is formed integrally with a case portion. It is preferable that the supporting projection have a stepped portion 57 and the board be sandwiched between the stepped portion and a pressing projection 61 provided on a back surface of a lid 47 that closes the case.
Inventors:
YOSHIDA TATSUYA (JP)
HIRATSUKA MASAKI (JP)
HIRATSUKA MASAKI (JP)
Application Number:
PCT/JP2022/033522
Publication Date:
May 19, 2023
Filing Date:
September 07, 2022
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K31/04
Foreign References:
| JP2021110409A | 2021-08-02 | |||
| JP2021032295A | 2021-03-01 | |||
| JP2007227354A | 2007-09-06 | |||
| JP2021110409A | 2021-08-02 |
Attorney, Agent or Firm:
MASHIKO Naomichi (JP)
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