Ice making machine

Details Ice making machine Ice making machine

1986-09-18

1988-12-20

Tapolcai, William E.

Refrigeration

Automatic control

By congealed removable product condition

62347, 62352, F25C 510

Patent

active

047917920

ABSTRACT:
The present invention provides an ice making machine including an ice making water tank adapted to supply ice making water in circulation to an ice making section during the ice making cycle, a harvesting water tank adapted to supply harvesting water to the ice making section during the harvesting cycle, a compressor adapted to supply refrigerant gas to an evaporator tube of the ice making section, a float switch provided to the harvesting water tank and adapted to sense the upper water limit of the harvesting water, a water feed valve adapted to supply water to the harvesting water tank, and a control circuit having a relay for sensing that the machine is in the ice making cycle, the circuit being connected to the float switch and to the water feed valve for controlling the operation thereof. The water feed valve is open only when an AND output signal of the relay and the float switch is issued.

REFERENCES:
patent: 3423952 (1969-01-01), Pugh
patent: 3791163 (1974-02-01), Dickson et al.
patent: 3877242 (1975-04-01), Creager
patent: 4617806 (1986-10-01), Sakai et al.

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