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Patent Searching and Data


Title:
TANK BOTTOM DIAPHRAGM VALVE
Document Type and Number:
WIPO Patent Application WO/2019/167637
Kind Code:
A1
Abstract:
Provided is a tank bottom diaphragm valve with which an additional reduction in the amount of accumulated liquid and improved stirring performance can be achieved. A body (2) has: a slanted lower surface (2b); a partition part (15) for partitioning a fluid inlet passage (3) and a fluid outlet passage (4); an inlet-passage-side outer edge part (16) that, together with the partition part (15), forms the fluid inlet passage (3); and an outlet-passage-side outer edge part (17) that, together with the partition part (15), forms the fluid outlet passage (4), which communicates with a discharge pipe part (5). The angle formed by an inner peripheral surface (16a) and an upper surface (16b) of the inlet-passage-side outer edge part (16) is an obtuse angle. The angle formed by an inner peripheral surface (17a) and a lower surface (17b) of the outlet-passage-side outer edge part (17) is an acute angle.

Inventors:
MASUDA Kazutaka (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
AKAMOTO Hisatoshi (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
ONISHI Takashi (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
Application Number:
JP2019/005246
Publication Date:
September 06, 2019
Filing Date:
February 14, 2019
Export Citation:
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Assignee:
FUJIKIN INCORPORATED (3-2 Itachibori 2-chome, Nishi-ku Osaka-sh, Osaka 12, 〒5500012, JP)
International Classes:
F16K7/17; F16K7/16; F16K27/07
Foreign References:
JPH10184946A1998-07-14
JPH09133247A1997-05-20
Attorney, Agent or Firm:
MATSUMURA Naoto et al. (Naniwasuji SIA Bldg. 16F 2-4-2, Shinmachi, Nishi-ku, Osaka-sh, Osaka 13, 〒5500013, JP)
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