B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
222/7.3
B67D 1/00 (2006.01) B01F 3/04 (2006.01)
Patent
CA 1149785
ABSTRACT OF THE DISCLOSURE A method of and apparatus for making and dispensing carbonated water; the method has the steps of using carbon dioxide propellant gas at a predetermined propellant pressure for propelling flat water through cooling coils and into a carbonator, pressurizing the carbonator at a predetermined storage pressure which is less than the propellant pressure exhausting used propellant gas into cooled propellant water, commonly admitting water and exhausted gas into the carbonator while restricting and backing up the flowing propelled water and gas and mixing them together under a pressure above the storage pressure, and storing and dispensing under the storage pressure; flat water may also be selectively diverted and dispensed after cooling and before contact with exhausted propellant gas, and the propellant pressure may be boosted with municipal water pres- sure; the apparatus has a pneumatically powerable water pump, a carbonator, a propelled water conduit connecting a pump outlet to a carbonator inlet, a fill valve in the water conduit and under control of a carbonator water level sensor, a cooling coil in the water conduit, a carbon dioxide gas conduit having a propellant gas pressure regulator and outlet connected to the pump and a storage pressure regulator and outlet connected to the carbonator, an automatic vent valve for venting carbon dioxide from the carbonator, and a propellant gas exhaust conduit connecting a pump gas outlet to the propelled water conduit downstream of the cooling coil and upstream of a turbulator leading into a restrictor spray nozzle in the carbonator. The double acting positive displacement pump has first and second opposed cylinders, an elongate piston rod connected to cylinder pistons, a plurality of tie rods fastening the cylinders together, spacers on the tie rods and between the cylinders, a control cradle mounted on the tie rods and fixed in position by slots in the spacers, a propellant gas control valve on the cradle, and a valve actuator on the cradle and operatively connected to the piston rod. The propellant gas control valve has a body, a pair of sleeves within the body, a spool valve within the sleeves, an actuator on each end of the spool, and a valve cap holding the sleeves and the spool in the body; the valve body and end cap each have a pocket at each end into which a spool seal is recessible and fluid ports are provided between the seal pockets and the sleeves.
370065
Credle William S.
Harvill William A.
Mcmillin John R.
Tracy Gene A.
Coca-Cola Company (the)
Cornelius Company (the)
Ridout & Maybee Llp
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