Electronically controlled beverage dispenser

Details Electronically controlled beverage dispenser Electronically controlled beverage dispenser

2005-02-15

2005-02-15

Norman, Marc (Department: 3744)

Refrigeration

Automatic control

By congealed removable product condition

C222S146600

Reexamination Certificate

active

06854282

ABSTRACT:
An electronic control for the operation of a beverage dispenser of the refrigerated ice bank type is shown. The control provides for reliable determinations of when ice production is needed and when it is not needed. A microprocessor receives information from an ice bank probe and from a temperature probe located within the ice bank. Data collected by the microprocessor from both the ice bank probe and the temperature probe is used to determine if the ice bank is either insufficient in size and should be increased or is of sufficient size such that the compressor can be turned off. A carbonator level probe is also shown and connected to the microprocessor. The microprocessor is programmed whereby the carbonator probes are sampled in a manner to accurately determine the level of water in the carbonator and therefore the need for turning on or turning off any water pump connected thereto. Both the operation of the compressor and the water pump are controlled by the microprocessor wherein the programming thereof provides for adequate hysteresis protection so that short cycling of the compressor and water pump is avoided.

REFERENCES:
patent: 4497179 (1985-02-01), Iwans
patent: 4833897 (1989-05-01), Burns
patent: 5005364 (1991-04-01), Nelson
patent: 5022233 (1991-06-01), Kirschner et al.
patent: 5078505 (1992-01-01), Nyman et al.
patent: 5190189 (1993-03-01), Zimmer et al.

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