Icemaker with improved water quantity control

Details Icemaker with improved water quantity control Icemaker with improved water quantity control

1988-05-03

1989-09-19

Tapolcai, William E.

Refrigeration

Time or program actuator

Congelation product maker

62347, 200249, 200286, F25C 104

Patent

active

048669482

ABSTRACT:
There is a pair of cantilevered switch blades having cooperating electrical contacts mounted on their distal ends. The first blade follows a cam and the second is lifted by a pivotable ramp member to vary the distance between its contact and the cam, thereby varying the time the switch is closed. The switch controls a solenoid which controls the water flow to the icemaker tray, thus the size of the ice "cubes" is determined by the distance the second blade is lifted. The blade slides on the ramp as it is lifted so that the range of motion of the pivotable member is greater than the range of motion of the blade. The ramp is shaped so that equal amounts of movements of the pivotable member corresponds to equal increments of ice volume. A spring finger integrally formed with the ramp member cooperates with a notched member to provide a set of predetermined ice "cube" increments. The switch is one of a gang of blade switches that control icemaker functions.

REFERENCES:
patent: 3280578 (1966-10-01), Linstromberg
patent: 3358101 (1967-12-01), Bletz
patent: 3988552 (1976-10-01), Faben
patent: 4214136 (1980-07-01), Rossi et al.

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