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Patent Searching and Data


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 (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
INOUE Hideaki (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
SHIBAYAMA Kouji (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
WADE Takuya (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
FURUSE Harukuni (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
Application Number:
JP2019/011678
Publication Date:
October 03, 2019
Filing Date:
March 20, 2019
Export Citation:
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Assignee:
ULVAC, INC. (2500, Hagisono Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
International Classes:
F16K3/10; F16K3/18; F16K51/02
Foreign References:
JP2012251624A2012-12-20
JPS60103704U1985-07-15
JP3655715B22005-06-02
Attorney, Agent or Firm:
OIKAWA Shu et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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