Tray ice maker

Details Tray ice maker Tray ice maker

F - Mech Eng,Light,Heat,Weapons

25

C

62/18, 341/2

F25C 1/04 (2006.01)

Patent

CA 1107375

C-2895 D-856 TRAY ICE MAKER ABSTRACT OF THE DISCLOSURE An automatic ice maker control circuit having an im- proved tolerance to sense the presence of stuck ice pieces in a predetermined pocket of an ice tray. A solid state tempera- ture sensor and time delay circuit includes an operational amplifier controlled by a temperature sensor in one portion of a bridge network for sensing above or below freezing tempera- tures in the pocket, depending upon the presence of liquid or a stuck cube respectively, in said sensing pocket. The ice maker is conditioned for immediate harvest after the below freezing temperature is effected in the tray pocket when the sensor senses an above-freezing temperature. The time delay circuit conditions the ice maker for a delayed harvest until the predetermined temperature is effected in the tray sensing pocket is the sensor senses a below-freezing temperature.

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