Refrigeration – Automatic control – By congealed removable product condition
Reexamination Certificate
2007-06-05
2007-06-05
Tapolcai, William E. (Department: 3744)
Refrigeration
Automatic control
By congealed removable product condition
C062S303000, C062S347000
Reexamination Certificate
active
11017815
ABSTRACT:
An ice making machine composed of a water tank for storing an amount of ice making water, an upright ice making plate arranged above the water tank, and a water sprinkler located immediately above the ice making plate to spray ice making water supplied from the water tank to the ice making plate so that the ice making water falls along the ice making plate, in which the ice making water sprayed to the ice making plate during operation at an ice making mode is frozen and formed into ice cubes in the course of falling along the ice making plate. The ice making machine includes a drainage mechanism for draining the ice making water from the water tank, a water supply mechanism for supplying washing water into the water tank, and an electric controller for activating the drainage mechanism after finish of operation at a defrost mode and for activating the water supply mechanism after the ice making water has been drained from the water tank, wherein the washing water supplied into the water tank under control of the controller is sprayed by the water sprinkler for washing the ice making plate.
REFERENCES:
patent: 3369376 (1968-02-01), Kious
patent: 5237837 (1993-08-01), Naruse et al.
patent: 6725675 (2004-04-01), Kampert et al.
patent: 6857284 (2005-02-01), Brooks
patent: 3067175 (2000-05-01), None
Banno Yoshikazu
Furukawa Yoshio
Katou Nobuhiko
Morimoto Ryoji
Nishio Tomoyuki
Hoshizaki Denki Kabushiki Kaisha
Rader & Fishman & Grauer, PLLC
Tapolcai William E.
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