Title:
ELECTRIC VALVE
Document Type and Number:
WIPO Patent Application WO/2022/009632
Kind Code:
A1
Abstract:
[Problem] To provide an electric valve demonstrating high durability and low power consumption. [Solution] An electric valve (1) includes: a main valve body (10) having a valve chamber (14) and a valve port (13a); a valve body (30) for opening/closing the valve port (13a); and a support member (20) supporting the valve body (30) so that the valve body (30) can move backward and forward relative to the valve port (13a). The electric valve (1) includes: a drive shaft (25) having a male screw portion (26); a rolling bearing (23) rotatably supporting the drive shaft (25); a planetary gear mechanism (50) connected to the drive shaft (25); and a female screw body (32) fixed to the valve body (30). The female screw body (32) is threaded with the male screw portion (26). The support member (20) supports the female screw body (32) so as to regulate rotation about an axis line (L) and allow movement in the axis line (L) direction.
Inventors:
YANAGISAWA SHU (JP)
Application Number:
PCT/JP2021/022861
Publication Date:
January 13, 2022
Filing Date:
June 16, 2021
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K31/04
Foreign References:
| JP2014137127A | 2014-07-28 | |||
| JP2016540933A | 2016-12-28 | |||
| JP2000346225A | 2000-12-15 | |||
| JP2013130271A | 2013-07-04 |
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
Download PDF:
Previous Patent: LIGHT-BLOCKING PLATE FOR VEHICLE
Next Patent: LOW-FREQUENCY TREATMENT APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM
Next Patent: LOW-FREQUENCY TREATMENT APPARATUS, CONTROL METHOD, AND CONTROL PROGRAM