Incrementally heated fluid dispenser with non-volatile...

Details Incrementally heated fluid dispenser with non-volatile... Incrementally heated fluid dispenser with non-volatile...

G - Physics

01

F

G01F 11/00 (2006.01) B67D 7/80 (2010.01) A45D 34/00 (2006.01) A47J 31/54 (2006.01) B65D 81/18 (2006.01) G01F 11/28 (2006.01)

Patent

CA 2327934

The present invention discloses a method and apparatus for quickly heating a predetermined volume of viscous fluid and dispensing it efficiently at one or more selected temperatures. The viscous fluid includes non-volatile constituent parts. In one embodiment, the predetermined volume of viscous fluid is partially housed in a predelivery chamber (836) separate from the main fluid reservoir (860). A heater assembly (816) heats the viscous fluid in the predelivery chamber in a short time period and in small volumes to prevent overheating and adversely effecting the composition of the viscous fluid. To avoid continually heating the viscous liquid, a timer circuit (912) is used in one embodiment.

Dans la présente invention, on divulgue une méthode et un appareil pour chauffer rapidement un volume prédéterminé de fluide visqueux et le distribuer efficacement à une ou plusieurs températures choisies. Le fluide visqueux contient des constituants non volatils. Dans une réalisation, le volume prédéterminé de liquide visqueux est contenu partiellement dans une chambre de prédistribution (836), séparée du réservoir (860) principal de fluide. Un assemblage de chauffage (816) sert à chauffer le liquide visqueux dans la chambre de prédistribution, par petits volumes et en une courte durée, afin de prévenir une surchauffe et d'affecter négativement la composition du fluide visqueux. Afin d'éviter le chauffage continu du liquide visqueux, une réalisation de l'invention concerne l'utilisation d'un circuit temporisateur (912).

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