Title:
DEVICE FOR SUCKING LIQUID AND METHOD FOR SUCKING LIQUID
Document Type and Number:
WIPO Patent Application WO/2004/027390
Kind Code:
A1
Abstract:
When a plurality of liquids are sucked simultaneously through a plurality of suction paths connected with one pump, ending of one suction may impede other suctions. A multiple valve for connecting each suction path with the pump in one to one correspondence is disposed between the plurality of suction paths and the pump. Suction is performed while changing over connection of the suction path and the pump sequentially in time division manner. Since the pump and a suction path are independent of other suction paths for some predetermined time, the liquid can be sucked without being affected by the end of suction in other suction paths.
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Inventors:
SHOJI YOSHIYUKI (JP)
YOKOBAYASHI TOSHIAKI (JP)
YOKOBAYASHI TOSHIAKI (JP)
Application Number:
PCT/JP2002/009555
Publication Date:
April 01, 2004
Filing Date:
September 18, 2002
Export Citation:
Assignee:
HITACHI HIGH TECH CORP (JP)
SHOJI YOSHIYUKI (JP)
YOKOBAYASHI TOSHIAKI (JP)
SHOJI YOSHIYUKI (JP)
YOKOBAYASHI TOSHIAKI (JP)
International Classes:
B01L3/00; F04B13/02; G01N35/10; C40B60/14; G01N1/00; (IPC1-7): G01N1/00; G01N35/10
Domestic Patent References:
| WO2000052446A1 | 2000-09-08 | |||
| WO2000045957A1 | 2000-08-10 | |||
| WO1999063323A1 | 1999-12-09 |
Foreign References:
| JPH0545365A | 1993-02-23 | |||
| JP3149867B2 | 2001-03-26 | |||
| US5273905A | 1993-12-28 |
Attorney, Agent or Firm:
Sakuta, Yasuo c/o Hitachi Ltd. (5-1, Marunouchi 1-chom, Chiyoda-ku Tokyo, JP)
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