Automatic icemaker with simplified ice piece ejection

Details Automatic icemaker with simplified ice piece ejection Automatic icemaker with simplified ice piece ejection

1979-05-03

1980-11-18

Makay, Albert J.

Refrigeration

Means producing shaped or modified congealed product

Thawing means

62340, 165105, F25C 110

Patent

active

042338190

ABSTRACT:
An icemaker with simplified ice ejection. A hollow rotatable mold is provided with parallel rows of ice cups mutually inverted on opposing sides of the mold axis of rotation. A volatile liquid at low pressure within the mold is volatilized by heat energy of incoming fresh water in the upward facing cups. The heated vapor communicates with the inverted cups to cause expansion of the cups and contraction of the ice pieces resulting in a shear action which ejects the ice pieces with the aid of gravity into a storage receptacle. After ejection, the exposed surface of the empty ice cups accelerates formation of new ice pieces in the upward facing cups via the boiling-condensing cycle of the volatile liquid.

REFERENCES:
patent: 2341700 (1944-02-01), Diack et al.
patent: 2407058 (1946-09-01), Clum
patent: 2941377 (1960-06-01), Nelson
patent: 3618335 (1971-11-01), Toma
patent: 3736767 (1973-06-01), Lukes
patent: 3914957 (1975-10-01), Jacobs
patent: 4003214 (1977-01-01), Schumaker

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