Dispensing – Automatic control – Motor control
Patent
1989-06-23
1991-04-30
Valenza, Joseph E.
Dispensing
Automatic control
Motor control
222 54, 2221293, 2221294, 222504, 25112918, 251285, B67D 508
Patent
active
050110438
ABSTRACT:
A beverage dispenser valve system in which the mixture ratio is controlled by continuous modulation of the solenoid valves. The solenoid valves have a movable stop (or push rod) that controls the travel of the armature, which in turn controls the position of a needle valve with respect to the valve seat to gradually change the flow opening and thus the syrup and water flow rates. A microprocessor uses the movable stop to adjust the syrup and/or water flow rate to deliver the proper ratio of syrup to water based on the flow of water and syrup as measured by flow meters. In addition, the total flow rate from the nozzle can be controlled and varied in relation to the distance the cup lever arm is depressed, thus, the flow rate can be made slow at the beginning and end, and fast in-between.
REFERENCES:
patent: 3762605 (1973-10-01), Seaton
patent: 4196829 (1980-04-01), Seaton
patent: 4202387 (1980-05-01), Upton
patent: 4342443 (1982-08-01), Wakeman
patent: 4428398 (1984-01-01), Mito et al.
patent: 4487333 (1984-12-01), Pounder et al.
patent: 4499920 (1985-02-01), Steffan et al.
patent: 4508091 (1985-04-01), Wakeman
patent: 4884720 (1989-12-01), Whigham et al.
patent: 4886190 (1989-12-01), Kirschner et al.
Bearden John H.
Whigham Roger C.
Boston Thomas R.
Brooks W. Dexter
Reim Steven
The Coca-Cola Company
Valenza Joseph E.
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