Title:
電動弁
Document Type and Number:
Japanese Patent JP6826727
Kind Code:
B2
Abstract:
An object of the present invention is to provide an electrically operated valve capable of more accurately detecting the position of a valve body.In order to achieve the above object, the electrically operated valve of the present invention comprises a valve body, a driver configured to move the valve body along a first axis, a rotation shaft configured to rotate the driver around the first axis, a permanent magnet member, an angle sensor, and a yoke configured to cover a portion of the permanent magnet or a portion of the angle sensor. The permanent magnet member is disposed on the rotation shaft and configured to rotate with the rotation shaft. The angle sensor is configured to detect a rotation angle of a permanent magnet included in the permanent magnet member. The angle sensor is disposed above the permanent magnet.
Inventors:
Satoshi Uehara
Yusuke Arai
Takeshi Hosoya
Yusuke Arai
Takeshi Hosoya
Application Number:
JP2017070366A
Publication Date:
February 10, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
Fuji Koki Co., Ltd.
International Classes:
F16K37/00; F16K31/04
Domestic Patent References:
| JP2001012633A | ||||
| JP2009145293A | ||||
| JP2008215942A | ||||
| JP2016090499A | ||||
| JP2006233985A | ||||
| JP2005054654A |
Foreign References:
| WO2016091941A1 | ||||
| WO2016155723A2 |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office