Beverage cooling system, and cooling tank for beverage cooling system

The integrated water-tank and thermoelectric cooling system addresses complexity and size issues in conventional systems, achieving efficient multi-stage cooling and versatile temperature control with reduced costs and improved maintainability.

JP2026086319APending Publication Date: 2026-05-26ASAHI BREWERIES LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
ASAHI BREWERIES LTD
Filing Date
2025-05-27
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Conventional beverage cooling systems are limited by complexity, size, and installation difficulties, and often require multiple units to serve beverages at different temperature ranges, with Peltier elements failing to achieve sufficient cooling below freezing and complicating the device configuration.

Method used

A combined water-tank type ice cooling mechanism and thermoelectric cooling mechanism, where the thermoelectric cooling mechanism's heat sink dissipates heat into the cooling liquid of the water-tank type ice cooling mechanism, allowing for integrated multi-stage cooling without additional cooling circuits, and using water as a coolant for easier handling and maintenance.

Benefits of technology

The system achieves high thermal efficiency with low power consumption, enabling cooling to below freezing temperatures and serving beverages at different temperature ranges from a single unit, reducing manufacturing costs and complexity while facilitating easier installation.

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Abstract

We propose a novel technology for beverage cooling equipment used to cool beverages such as beer. [Solution] The water tank type ice cooling mechanism 10 is configured to cool the coolant 6 in the cooling tank 11 with a refrigerator 12, cool the first cooling channel 31 in the cooling tank 11 with the coolant 6, and cool the beverage flowing through the first cooling channel 31. The thermoelectric cooling mechanism 20 is configured to cool the thermoelectric conversion module 21 with the coolant 6, cool the second cooling channel 32 with the thermoelectric conversion module 21, and cool the beverage flowing through the second cooling channel 32. The thermoelectric cooling mechanism 20 has a heat sink 22 for dissipating the heat absorbed by the cooling block 23 of the thermoelectric conversion module 21. The heat dissipation part 22a of the heat sink 22 is exposed inside the cooling tank 11 of the water tank type ice cooling mechanism 10 to dissipate the heat from the thermoelectric conversion module 21 into the coolant 6. The first cooling channel 31 and the second cooling channel 32 are connected, and the beverage is cooled in the water tank type ice cooling mechanism 10 and the thermoelectric cooling mechanism 20.
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