Title:
液体クロマトグラフ用ポンプ及びその運転方法
Document Type and Number:
Japanese Patent JP4276827
Kind Code:
B2
Abstract:
Pump comprises a first and a second chamber (12, 13), a first and a second plunger (2, 3) forming a first and a second volume with the chambers, a liquid connecting channel for joining the two volumes, a liquid inlet channel (10) connected to the first volume for feeding a liquid into the first volume, and a liquid outlet channel (11) connected to the second volume for removing liquid from the second volume. An Independent claim is also included for a process for controlling a pump used to introduce a liquid into a chromatograph.
Inventors:
Kenji Hirai
Kunihiko Takao
Hironori Kaji
Masato Ito
Kunihiko Takao
Hironori Kaji
Masato Ito
Application Number:
JP2002303697A
Publication Date:
June 10, 2009
Filing Date:
October 18, 2002
Export Citation:
Assignee:
Hitachi High-Technologies Corporation
International Classes:
F04B13/00; G01N30/32; F04B11/00; F04B49/06; G01N30/34
Domestic Patent References:
| JP6159235A | ||||
| JP63036668U | ||||
| JP64045984A | ||||
| JP59074377A | ||||
| JP55135979U |
Attorney, Agent or Firm:
Manabu Inoue
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