Title:
SOLENOID VALVE
Document Type and Number:
WIPO Patent Application WO/2013/172520
Kind Code:
A1
Abstract:
A solenoid valve includes a valve configured to control a flow of a fluid; and a solenoid configured to operate the valve. The valve includes a pipe-like holder; a supply chamber, a control chamber and an exhaust chamber formed in the holder separately from each other in a longitudinal direction thereof; a supply port, a control port and an exhaust port formed on an outer peripheral surface of the holder, to be respectively connected to the supply chamber, and the control chamber and the exhaust chamber; a spool movably provided in the holder; an annular groove formed on an outer peripheral surface of the spool, the annular groove serving to connect the control chamber and the supply chamber or the exhaust chamber when the spool is moved; and a feedback passage formed in the spool, to be connected to the control chamber.
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Inventors:
LEE CHANG HOON (KR)
ROH EUI DONG (KR)
AHN CHAN SHIK (KR)
ROH EUI DONG (KR)
AHN CHAN SHIK (KR)
Application Number:
PCT/KR2012/009418
Publication Date:
November 21, 2013
Filing Date:
November 08, 2012
Export Citation:
Assignee:
UNICK CORP (KR)
International Classes:
F16K31/06; F15B13/044; H01F7/16
Foreign References:
| KR101009266B1 | 2011-01-18 | |||
| KR20100087381A | 2010-08-04 | |||
| KR20090126620A | 2009-12-09 | |||
| JP2001263521A | 2001-09-26 |
Attorney, Agent or Firm:
DAWOOL PATENT AND LAW FIRM (123 Yeoksam-roGangnam-gu, Seoul 135-936, KR)
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