| 摘要 |
1,014,648. Carbonating and cooling apparatus. PRODUCT R. & D. Inc. Oct. 1, 1962 [Oct. 5, 1961], No. 37139/62. Heading B1C. In beverage carbonating, cooling and dispensing apparatus comprising a closed carbonating tank 20 into which beverage is introduced from a tank 64, Fig. 3, through a valved conduit 66, 51, a head of carbon dioxide from a container 67 being maintained above the beverage in the tank 20, a pump 37, Figs. 1 and 7, operative independently of the filling means is provided for circulating the beverage in the tank 20 through the carbon dioxide head. Refrigerating coils 29 are provided. The carbonated beverage is dispensed through a valve 63. Beverage in the tank is drawn into the pump through an intake 42 (see Fig. 7), by an electromagnetically driven impeller 44 is discharged through a port 47a and a standpipe 49 at the top of which it is sprayed out into the carbon dioxide head. A dome-shaped baffle 82, Fig. 9 (not shown) at the top of the standpipe and a tube 85, Fig. 10 (not shown) extending from the carbon dioxide head to a region of reduced pressure adjacent the port 47a may be provided to increase carbonation. Supply of beverage is controlled by a float 54 containing a magnet 56 which, when the level is low, opens a solenoid valve 65 in the beverage supply conduit 66. The beverage in the tank 64 may be pre-carbonated. The tank 64 may be connected by a pipe 71 to the container 67, a reducing valve 69 in the carbon dioxide supply pipe 70, 52 creating a pressure differential between the tanks 20 and 64 to force liquid into the tank 20. A pressure-relief tube 53 is provided.
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