Dish washing machine with heat exchangers
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 18, 2025
Grant Date -
Sep 21, 2023
app pub date -
Mar 17, 2022
filing date -
Mar 17, 2022
priority date (Note) -
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Abstract
A dish washing machine including a housing having an interior wash space and a liquid inlet. A spray nozzle sprays the liquid onto dishes. The machine further includes a heating tank for heating the liquid which is supplied to the rotating spray nozzle. A heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added from the liquid inlet. The heat exchange system comprising a pipe system defining a first path therethrough and a second path therethrough, with the first heat exchange system transferring heat from liquid in the second path to liquid in the first path. A first surface portion of the pipe system of the first path engaging the liquid in the first path having a greater thermal conductivity than a second surface portion of the pipe system of the second path engaging the liquid in the second path.
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