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Title:
SWITCHING VALVE, BINARY PUMP, AND LIQUID CHROMATOGRAPH PROVIDED WITH BINARY PUMP
Document Type and Number:
WIPO Patent Application WO/2018/055866
Kind Code:
A1
Abstract:
[Problem] A switching valve is used in a binary pump. This switching valve is provided with a first liquid delivery port to which a first pump unit is connected, a second liquid delivery port to which a second pump unit is connected, and an output port leading to an output unit that outputs a liquid to be delivered. The switching valve is configured so as to be switched to any of the following states: a first state in which the first liquid delivery port is connected to the output port and the second liquid delivery port is not connected to any port; a second state in which the second liquid delivery port is connected to the output port and the first liquid delivery port is not connected to any port; and a third state in which both the first liquid delivery port and the second liquid delivery port are connected to the output port.

Inventors:
YANAGIBAYASHI Jun (1 Nishinokyo-kuwabaracho, Nakagyo-ku, Kyoto-sh, Kyoto 11, 〒6048511, JP)
IMAMURA Shinya (1 Nishinokyo-kuwabaracho, Nakagyo-ku, Kyoto-sh, Kyoto 11, 〒6048511, JP)
Application Number:
JP2017/024093
Publication Date:
March 29, 2018
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
SHIMADZU CORPORATION (1 Nishinokyo-kuwabaracho, Nakagyo-ku Kyoto-sh, Kyoto 11, 〒6048511, JP)
International Classes:
F04B53/10; F04B13/02; F04B23/06; G01N30/26; G01N30/32; G01N30/86
Domestic Patent References:
WO2015189927A12015-12-17
Foreign References:
JP2014020541A2014-02-03
JP2014042905A2014-03-13
JP2005121384A2005-05-12
US7670480B22010-03-02
JP2007327847A2007-12-20
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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