Title:
電動弁
Document Type and Number:
Japanese Patent JP6518713
Kind Code:
B2
Abstract:
The invention provides an electrically operated valve which can more accurately detect a position of a valve body. An electrically operated valve is provided with a valve shaft, a valve body, a rotor member which is movable together with the valve shaft in a parallel direction to a first direction, a stator member which applies a turning force to the rotor member, a permanent magnet member which turns together with the rotor member, an angle sensor which detects an angle of rotation of the permanent magnet, and a guide member which guides a relative movement of the rotor member or the valve shaft in relation to the permanent magnet member. A distance between the permanent magnet and the angle sensor is fixed when the permanent magnet member turns.
Inventors:
Satoshi Uehara
Bunta Narukawa
Bunta Narukawa
Application Number:
JP2017079164A
Publication Date:
May 22, 2019
Filing Date:
April 12, 2017
Export Citation:
Assignee:
Fuji Koki Co., Ltd.
International Classes:
F16K37/00; F16K31/04
Domestic Patent References:
| JP8326952A | ||||
| JP2016090499A |
Foreign References:
| WO2009125527A1 |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office