Precision dispenser for liquids

B - Operations – Transporting – 67 – D

Patent

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Details

B67D 7/08 (2010.01) B67D 7/30 (2010.01) B67D 7/36 (2010.01) B67D 7/64 (2010.01) B67D 7/70 (2010.01) B67D 7/78 (2010.01) A61J 1/22 (2006.01) B65D 1/02 (2006.01) G01F 11/02 (2006.01) G01F 13/00 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2366878

A precision dispenser for liquids consisting of: a first pump (2) fed by a flask (1) containing liquid, connected thereto via an attachment (13) provided with a suction tube (16); an intermediate reservoir (3) fed by the first pump (2) and provided with one or more level probes (31-33); a second, high-precision, pump (4) downstream of said reservoir (3); a three-way solenoid valve (5) set downstream of the pump (4), from which it receives the liquid at input, and having two output ways, one output leading to the reservoir (3) and the other leading to a final receptacle (6) for collecting the liquid delivered; and a microprocessor unit for control and management of the pumps (2, 4), probes (31-33) and maintenance functions.

Un distributeur de précision destiné à des liquides comprend : une première pompe (2) alimentée par un flacon (1) contenant du liquide, relié à cette dernière par une fixation (13) équipée d'un tube d'aspiration (16) ; un réservoir intermédiaire (3) alimenté par la première pompe (2) et doté d'au moins un indicateur de niveau (31-33) ; une deuxième pompe (4) de grande précision située en aval dudit réservoir (3) ; une électrovanne à trois voies (5) placée en aval de la pompe (4) dont elle reçoit le liquide au niveau d'une entrée et qui comprend deux voies de sortie menant respectivement au réservoir (3) et au récipient final (6) servant à récupérer le liquide distribué ; et un microprocesseur qui commande et gère les pompes (2,4), les indicateurs (31-33) et les fonctions de maintenance.

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