Passive syrup delivery system

A - Human Necessities – 23 – G

Patent

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Details

A23G 9/28 (2006.01) A23G 9/04 (2006.01)

Patent

CA 2502476

A pump (28) transfers syrup through a supply line (32) and through a valve assembly (34) for mixing with ice cream in a mixing chamber (26) to form a frozen dessert or milkshake. When the syrup flows through the passive valve (48), the pressure along the supply line (32) increases. When syrup delivery is complete, a first timer is initiated to dispense ice cream into the mixing chamber for 4 seconds to flush out any remaining syrup. A second timer is also initiated when the syrup delivery is complete to reverse the pump (28) for 2 seconds to remove the residual pressure in the supply line. By removing the residuals pressure, syrup in the supply line (32) is prevented from oozing out of the valve apparatus and into the mixing chamber.

L'invention concerne un système de distribution passif de sirop comprenant une pompe (28) transférant du sirop à travers une ligne d'alimentation (32) et un ensemble de valve (34), aux fins de mélange avec de la glace dans une chambre de mélange (26), de manière à créer un dessert glacé ou un lait frappé. Quand le sirop s'écoule à travers la valve passive (48), la pression le long de la ligne d'alimentation (32) augmente. Quand la distribution du sirop est achevée, une première minuterie est initialisée de manière à alimenter la glace dans la chambre de mélange pendant 4 secondes afin de rincer le sirop restant. Une seconde minuterie est également initialisée quand la distribution du sirop est achevée, de manière à inverser la pompe (28) pendant 2 secondes afin d'éliminer la pression résiduelle dans la ligne d'alimentation. L'élimination de la pression résiduelle empêche le sirop dans la ligne d'alimentation (32) de sortir de l'appareil à valve et de s'écouler dans la chambre de mélange.

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