Automatic ice maker using thermoacoustic refrigeration and refri

Details Automatic ice maker using thermoacoustic refrigeration and refri Automatic ice maker using thermoacoustic refrigeration and refri

1998-12-14

2000-11-14

Tapolcai, William E.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

62346, F25B 906

Patent

active

06145320&

ABSTRACT:
An automatic ice maker for saving an ice making time. The automatic ice maker has a U-shaped resonator filled up with an inertia gas, a pair of ice trays attached to both ends of the U-shaped resonator in a reverse direction to each other, a pair of speakers attached to both ends of the U-shaped resonator for compressing and expanding parcels of the inertia gas by applying an acoustic pressure to the U-shaped resonator thereby varying a temperature distribution in the U-shaped resonator, a pair of heat exchangers for transferring an inner temperature of the U-shaped resonator to the ice trays, a reversible motor for driving the U-shaped resonator in a forward or a reverse direction at an angle of 180 degrees, and an electric control unit for sequentially operating the speakers and the reversible motor. The automatic ice maker can be adopted to a refrigerator or other refrigeration system. By the automatic ice maker, the ice making time can be saved and the productivity in making the ice increases.

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