Title:
PARTITION VALVE
Document Type and Number:
WIPO Patent Application WO/2019/188650
Kind Code:
A1
Abstract:
This partition valve has: a valve box having a hollow section and having a first opening and a second opening, which are provided facing each other across the hollow section and which serve as flow passages communicating with each other; a neutral valve body disposed within the hollow section of the valve box and capable of closing the first opening; a rotating shaft which causes the neutral valve body to pivot between a valve closing position where the neutral valve body closes the first opening, and a valve open position where the neutral valve body is separated from the first opening to open the first opening; a rotating device comprising a rack and pinion device which rotates the rotating shaft, and comprising a rotating air cylinder which drives the rack and pinion device; an unblocking drive section comprising an unblocking air cylinder which operates to open the neutral valve body; and a sequence circuit by which the operation of opening the neutral valve body and the operation of rotating the neutral valve body can be sequentially performed.
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Inventors:
WADA SHINICHI (JP)
INOUE HIDEAKI (JP)
SHIBAYAMA KOUJI (JP)
WADE TAKUYA (JP)
FURUSE HARUKUNI (JP)
INOUE HIDEAKI (JP)
SHIBAYAMA KOUJI (JP)
WADE TAKUYA (JP)
FURUSE HARUKUNI (JP)
Application Number:
PCT/JP2019/011678
Publication Date:
October 03, 2019
Filing Date:
March 20, 2019
Export Citation:
Assignee:
ULVAC INC (JP)
International Classes:
F16K3/10; F16K3/18; F16K51/02
Foreign References:
| JP2012251624A | 2012-12-20 | |||
| JPS60103704U | 1985-07-15 | |||
| JP3655715B2 | 2005-06-02 |
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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