Title:
VACUUM VALVE
Document Type and Number:
WIPO Patent Application WO/2016/178480
Kind Code:
A1
Abstract:
The present invention comprises: a valve housing having a driving space formed therein and a moving passage part perforated in both surfaces thereof; a blade provided in the driving space, for opening and closing the moving passage part from the inside; a main shaft coupled to the rear surface of the blade; a vertical moving part which is formed beneath the valve housing, and in which the main shaft and a first piston, which moves vertically by air pressure, are connected to vertically move the blade; a horizontal moving part coupled to the lower part of the vertical moving part and provided with a vertical moving guide groove perforated vertically in both side surfaces; a horizontal moving unit having a second piston provided inside the horizontal moving part, a moving guide block formed beneath the second piston, and a cam roller formed at both sides of the moving guide block and passing through the vertical moving guide groove; and a main body bracket formed such that the vertical moving part and the horizontal moving part are accommodated beneath the valve housing, and having an opening and closing guide groove inclinedly formed in both side surfaces such that the cam roller, having passed through the vertical moving guide groove, is inserted so as to guide the forward-backward movement of the blade according to the upward-downward movement of the horizontal moving unit.
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Inventors:
KIM BAE JIN (KR)
KIM SANG MIN (KR)
CHOI KI SUN (KR)
KIM KANG HYUN (KR)
KIM SANG MIN (KR)
CHOI KI SUN (KR)
KIM KANG HYUN (KR)
Application Number:
PCT/KR2016/003883
Publication Date:
November 10, 2016
Filing Date:
April 14, 2016
Export Citation:
Assignee:
PRESYS CO LTD (KR)
International Classes:
F16K3/02; F16K3/18
Foreign References:
| JP3033529B2 | 2000-04-17 | |||
| KR101376045B1 | 2014-03-18 | |||
| JP2002323149A | 2002-11-08 | |||
| KR100596332B1 | 2006-07-06 | |||
| KR100390030B1 | 2003-07-04 |
Attorney, Agent or Firm:
STYP PATENT LAW FIRM IV-1 (KR)
특허법인 신태양 (KR)
특허법인 신태양 (KR)
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