B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 3/04 (2006.01) B08B 9/00 (2006.01) F15D 1/08 (2006.01) G01N 35/10 (2006.01)
Patent
CA 2203972
A flow damper for cleaning stations, in particular for cleaning pipettor tips, is described, a cleaning liquid being introduced into the cleaning station through a pipettor needle and flowing around the pipettor tip before it is conducted away out of the cleaning station. In order to avoid wetting of the isolation surfaces of the pipettor needle and a level detector electrode, if provided, there are provided, according to the invention, in the cleaning station at least one screen having a preferably central entry orifice for the jet of liquid emerging from the pipettor needle and a device for diverting the liquid flow in the direction essentially opposite that of the entering j et of liquid. Furthermore, a plurality of exit orifices, preferably arranged radially around the entry orifice, for the diverted liquid flow are formed in the at least one screen.
Cette invention concerne un dispositif directeur de flux pour postes de nettoyage, en particulier des nettoie-pointes de pipette, la solution nettoyante étant injectée dans le nettoie-pipettes au moyen d'une aiguille de pipettage et forcée de circuler autour des pointes de pipette avant son évacuation du nettoie-pipettes. Pour éviter le mouillage des surfaces d'isolation du pipetteur et du détecteur de niveau à électrode, le cas échéant, l'invention prévoit au moins un écran dans le nettoie-pipettes ayant de préférence un orifice central d'admission du jet de solution nettoyante sorte de l'aiguille de pipettage et un dispositif déviateur servant à orienter le jet dans une direction essentiellement opposée à celle de l'admission. De plus, l'écran prévu comporte une pluralité d'orifices de sortie, disposés de préférence radialement autour de l'orifice d'admission, servant à évacuer le liquide dévié.
Bickoni Dieter
Gross Jurgen
Konigstein Helmut
Neuberger Heinz
Schleicher Martin
Behringwerke Aktiengesellschaft
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Dade Behring Marburg Gmbh
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