Method and apparatus for making nugget ice in a refrigerator

a technology of nugget ice and refrigerator, which is applied in the field of ice making systems, can solve the problems of consuming a lot of food storage space by the refrigerator ice bin, unable to meet the needs of customers, and the supply of commercial or residential nugget ice machines at very high prices, and achieves the effect of quick production of on-demand nugget i

Inactive Publication Date: 2018-10-04
DING JIANFENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009]The present invention is to provide an ice making system that can quickly produce on-demand nugget ice in a refrigerator, which includes an auger type icemaker having a flooded cyli...

Problems solved by technology

Since the ice production is so slow, ice must be produced all the time and stored in an ice bin below freezing temperature for daily use.
The other disadvantage includes taking plenty food storage space by the ice bin in the refrigerator.
Because of complexity stand-alone commercial or residential nugget ice machines are supplied at very expensive prices.
However it i...

Method used

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  • Method and apparatus for making nugget ice in a refrigerator
  • Method and apparatus for making nugget ice in a refrigerator
  • Method and apparatus for making nugget ice in a refrigerator

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Embodiment Construction

[0019]The preferred embodiment of the present invention is shown in FIG. 1. An ice making system that can quickly produce on-demand nugget ice in a refrigerator, which includes an auger type icemaker 100 (shown in greater detail in FIG. 2) having a flooded cylindrical evaporator 150 (show in greater detail in FIG. 2 & 3) with insulation on the outside (not shown) a rotating auger 110 (shown in greater detail in FIG. 2), a gear motor 200, a chilled water reservoir 300 (shown in greater detail in FIG. 4) having a float valve 304 (shown in greater detail in FIG. 4), an ice container and a dedicated refrigerant control device 505 (shown in FIG. 5) having a 3-way solenoid valve 509 (shown in FIG. 5).

[0020]As shown in FIG. 2, the flooded evaporator 150 has double thin-walled stainless steel cylinders, which includes an outer cylinder 104 and an inner cylinder 105. The two cylinders are welded to two copper flanges 108 and 109 to form a closed space. The space between the two cylinders is ...

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Abstract

An ice making system for producing on-demand nugget ice in a refrigerator includes an auger type icemaker having a double thin-walled cylindrical flooded, evaporator and a chilled water reservoir connecting to refrigerated rater. When ice is demanded, the evaporator is then connected to the refrigeration circuit through a dedicated refrigerant control device to achieve −40° F. rapid cooling. With near 32° F. chilled water, a layer of ice can form on the evaporator surface within 1 minute. Meanwhile a rotating auger scrapes ice layer into flake ice and compresses it through an extrusion and delivery tubing to form cylindrical ice. Then it breaks into nugget ice in the tubing and drops in an ice container.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]Not ApplicableFIELD OF THE INVENTION[0002]This invention generally relates to ice making systems, and more particularly to producing on-demand nugget ice in a refrigerator.BACKGROUND OF THE INVENTION[0003]Crescent ice is widely available in a refrigerator for home use. The automatic icemaker in a refrigerator produces crescent ice cubes from an ice mold and the ice mold must be installed at a location below freezing temperature. Water is filled in the ice mold and then freezes for about an hour to become solid ice. A heater located at the bottom of the mold is turned on at around 14° F. by a thermostat to separate ice cubes from the mold. Since the ice production is so slow, ice must be produced all the time and stored in an ice bin below freezing temperature for daily use. The other disadvantage includes taking plenty food storage space by the ice bin in the refrigerator.[0004]Different from crescent ice, nugget ice is very popular for c...

Claims

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Application Information

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IPC IPC(8): F25C1/14F25B13/00F25B39/00
CPCF25C1/147F25B39/02F25B39/00F25B13/00F25B5/00F25B49/02F25B2339/0242F25B2341/062F25B2600/2511F25B41/39F25C5/142
Inventor DING, JIANFENGSHAO, HAOMING
Owner DING JIANFENG
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