Title:
ELECTRIC VALVE CONTROL DEVICE AND ELECTRIC VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/085065
Kind Code:
A1
Abstract:
[Problem] To provide an electric valve control device and an electric valve device with which an electric valve can be returned from a lock state to a normal state. [Solution] An electric valve control device 70 has a computer for controlling a stepping motor of an electric valve 5. Upon detection of stepping out of the stepping motor during control of the stepping motor such that a rotor 41 rotates in a first direction so as to change the valve opening degree of the electric valve 5, the computer controls the stepping motor such that the rotor 41 rotates in a second direction, which is opposite to the first direction.
Inventors:
OGIWARA KAI (JP)
HAGIMOTO HIROSHI (JP)
HAGIMOTO HIROSHI (JP)
Application Number:
PCT/JP2022/039504
Publication Date:
May 19, 2023
Filing Date:
October 24, 2022
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K31/04; F25B41/35
Domestic Patent References:
| WO2019187866A1 | 2019-10-03 |
Foreign References:
| JP2013200046A | 2013-10-03 | |||
| JP2012229735A | 2012-11-22 | |||
| JP2015052329A | 2015-03-19 |
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
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