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Title:
MULTIPORT VALVE FOR WATER QUALITY ANALYZER
Document Type and Number:
WIPO Patent Application WO/2019/186690
Kind Code:
A1
Abstract:
This multiport valve for a water quality analyzer is provided with: a valve head which on the outer surface has multiple ports for connecting piping, has a connection surface where the ends of flow paths communicating with each of the ports are arranged in the same plane, and which is made of a resin material that has corrosion resistance against chemicals used in the water quality analyzer; a rotor which has a flat surface in which a groove is formed for switching the connection state between the ends of the flow paths arranged at the connection surface, and which is arranged with said flat surface facing the connection surface; and a drive mechanism which rotates the rotor.

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Inventors:
MAEDA Kazuma (1 Nishinokyo-kuwabaracho, Nakagyo-ku, Kyoto-sh, Kyoto 11, 〒6048511, JP)
Application Number:
JP2018/012409
Publication Date:
October 03, 2019
Filing Date:
March 27, 2018
Export Citation:
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Assignee:
SHIMADZU CORPORATION (1 Nishinokyo-kuwabaracho, Nakagyo-ku Kyoto-sh, Kyoto 11, 〒6048511, JP)
International Classes:
F16K11/06
Domestic Patent References:
WO2013069401A12013-05-16
Foreign References:
JPS4825722Y11973-07-26
JP2005009994A2005-01-13
Attorney, Agent or Firm:
NOGUCHI Daisuke (Noguchi Patent Office, Rapport Nanba Bldg. 9F 8-1, Motomachi 2-chome, Naniwa-ku, Osaka-sh, Osaka 16, 〒5560016, JP)
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