Fluid dispensing apparatus and method

Details Fluid dispensing apparatus and method Fluid dispensing apparatus and method

G - Physics

01

N

G01N 35/00 (2006.01) B25J 15/04 (2006.01) C12M 1/00 (2006.01) G01N 35/10 (2006.01)

Patent

CA 2143451

A chemical analyser (10) includes a fluid dispensing system (46) with a carrier member (18) and fluid dispensing head (72). The carrier member (18) includes a docking fixture (52) and the fluid dispensing head includes a docking receptacle (54). By engagement of the docking fixture and receptacle the carrier member carries the fluid dispensing head to a position above a recess (34) into which fluid is precisely dispensed. The carrier member also returns the fluid dispensing head to a storage location (64) substantially separating the fluids to be dispensed from the environment of the analyzer. When the fluid dispensing head is in its storage location the carrier member may disengage to perform other functions in the analyzer.

L'analyseur chimique (10) se compose d'un système de distribution de fluide (46) muni d'un élément support (18) et d'une tête de distribution de fluide (72). L'élément support (18) est muni d'un dispositif de retenue (52); la tête de distribution de fluide (72) est munie d'un réceptacle collecteur (54). Lorsque le dispositif de retenue est poussé contre le réceptacle collecteur, l'élément support amène la tête de distribution de fluide en une position telle qu'elle dépasse d'un évidement (34) dans lequel la distribution du fluide peut se faire avec précision. Le retour en position repos (64) de la tête de distribution de fluide est également assuré par l'élément support, séparant ainsi de l'environnement de l'analyseur le fluide à distribuer. Lorsque la tête de distribution de fluide est en position repos, l'élément support peut être désenclenché pour l'accomplissement d'autres fonctions dans l'analyseur.

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