Temperature-responsive controller for regulating ice production

Details Temperature-responsive controller for regulating ice production Temperature-responsive controller for regulating ice production

1991-09-17

1992-11-17

Tapolcai, William E.

Refrigeration

Processes

Congealing flowable material, e.g., ice making

62135, 62233, F25C 504

Patent

active

051633000

ABSTRACT:
An automatic ice maker in an ice making compartment of a refrigerator includes an ice tray placed in the ice making compartment, a temperature sensing element for sensing the temperture of the ice tray, an ice removing driver for driving the ice tray so that ice is removed from it, and a controller for controlling the ice removing driver. The controller initiates one or more timing operations when the temperature sensed by the temperature sensing element falls to or below one of a plurality of set temperatures. When one of these timing operations runs to completion, the system determines that the ice making operation has been completed. The time period corresponding to each set temperature decreases with decreasing set temperatures.

REFERENCES:
patent: 3423949 (1969-01-01), Leeson et al.
patent: 4424683 (1984-01-01), Manson
patent: 4475357 (1984-10-01), Linstromberg
patent: 4912939 (1990-04-01), Obermann et al.
patent: 4986083 (1991-01-01), Naruse et al.

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