Ice maker having a position control for an ice-making tray upon

Details Ice maker having a position control for an ice-making tray upon Ice maker having a position control for an ice-making tray upon

1996-11-26

1999-03-16

Tapolcai, William E.

Refrigeration

Processes

Congealing flowable material, e.g., ice making

62353, F25C 112

Patent

active

058815635

ABSTRACT:
An automatic ice maker adapted for use in a refrigerator includes an ice-making tray rotatable between an upright ice-making position and an inverted ice-discharging position by a motor. A container is disposed beneath the tray for receiving ice when the tray is in the inverted position. First and second switches are each moved between first and second states in response to rotation of the tray. The second switch can be moved to its second state in response to the container being full of ice. Whenever the refrigerator is started-up, e.g., after a power outage, a controller determines whether both of the switches are in their first states. If so, an ice making operation is performed. If not, the motor is actuated in a manner tending to rotate the tray to its upright position. When the tray reaches its upright position, a stop is contacted, whereupon a load is generated at the motor, causing the controller to stop the motor.

REFERENCES:
patent: 3071933 (1963-01-01), Shoemaker
patent: 3208233 (1965-09-01), Linstromberg
patent: 3714794 (1973-02-01), Linstromberg et al.
patent: 3727427 (1973-04-01), Eyman, Jr. et al.
patent: 3864933 (1975-02-01), Bright
patent: 4402194 (1983-09-01), Kuwako et al.
patent: 4835978 (1989-06-01), Cole

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