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Patent Searching and Data


Title:
GATE VALVE
Document Type and Number:
WIPO Patent Application WO/2019/194067
Kind Code:
A1
Abstract:
The gate valve according to the present invention is provided with: a valve case including a hollow portion, a first opening, and a second opening, the openings being provided to face and communicate with each other to form a flow passage while interposing the hollow portion therebetween; a neutral valve body that is provided in the hollow portion of the valve case and can close the first opening; a rotary shaft that has a rotary shaft extending in a direction of the flow passage and functions as a position switch part for actuating the neutral valve body between a valve close position where the neutral valve body closes the first opening and a valve open position where the neutral valve body opens the first opening by being retracted therefrom; and a rotary device provided with an electrical actuator for rotating the rotary shaft.

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)
ENDO Jirou (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
SUZUKI Mikiya (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
TOKUHIRA Shinnosuke (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
TERUI Takaaki (Inc. 2500, Hagisono, Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
Application Number:
JP2019/013600
Publication Date:
October 10, 2019
Filing Date:
March 28, 2019
Export Citation:
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Assignee:
ULVAC, INC. (2500, Hagisono Chigasaki-sh, Kanagawa 43, 〒2538543, JP)
International Classes:
F16K3/18; F16K3/10
Foreign References:
JP5613087B22014-10-22
JP2004108471A2004-04-08
JP2014027706A2014-02-06
Attorney, Agent or Firm:
OIKAWA Shu et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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