Title:
ACTUATOR FOR MULTI-DIRECTION SWITCHING VALVE
Document Type and Number:
WIPO Patent Application WO/2021/085711
Kind Code:
A1
Abstract:
An actuator for a multi-direction switching valve according to the present invention is an actuator for rotating a valve shaft of a multi-direction switching valve having a plurality of inlet/outlet ports, and comprises: a housing which is stably seated on the upper side of the multi-direction switching valve and into which the end of the valve shaft is inserted; a motor mounted in the housing to generate rotational force; a drive gear for receiving the rotational force generated by the motor to rotate the valve shaft; a magnet disposed to surround a rotation shaft of the drive gear; a sensor mounted to be spaced apart from the magnet in an upward or downward direction to sense the change of a magnetic field generated during the rotation of the magnet; and a cover for covering the top of the housing so that the magnet and the sensor are inserted thereinto.
Inventors:
CHO HYUNG GEUN (KR)
Application Number:
PCT/KR2019/015256
Publication Date:
May 06, 2021
Filing Date:
November 11, 2019
Export Citation:
Assignee:
KORENS CO LTD (KR)
International Classes:
F16K27/12; F16K31/53; F16K31/04; F16K31/06; F16K31/08; H02K7/116; H02K11/215
Foreign References:
| KR101567400B1 | 2015-11-10 | |||
| KR20190053931A | 2019-05-20 | |||
| JP2011503469A | 2011-01-27 | |||
| JP2009081935A | 2009-04-16 | |||
| US6485258B1 | 2002-11-26 |
Attorney, Agent or Firm:
KIM, Sun Kee et al. (KR)
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