Hot water system and method of controlling the same

By installing connecting pipes and water pumps between storage water heaters, the contradiction between water volume, size, and power selection of storage water heaters is resolved, achieving the effect of providing a large water volume with a small volume and low power water heater, thus improving the user's bathing experience.

CN115930429BActive Publication Date: 2026-07-17A O SMITH (CHINA) WATER HEATER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
A O SMITH (CHINA) WATER HEATER CO LTD
Filing Date
2021-09-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing storage-type water heaters have contradictions in terms of water volume, size, and power selection, resulting in large installation space requirements and high wire diameter requirements, which cannot meet the water needs of users with multiple bathrooms.

Method used

By installing a connecting pipe and a water pump between two storage water heaters, the water heaters can be supplied together. The water pump drives the hot water to flow between the pipes, increasing the water supply and flow rate, and reducing the size and power requirements of a single water heater.

Benefits of technology

It achieves the effect of providing a large volume of water with a small size and low power, improves the user's bathing experience, avoids the occurrence of cold water intervals, realizes the connection of hot water between water heaters, and ensures the stability of the outlet water temperature.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115930429B_ABST
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Abstract

The application discloses a hot water system and a control method thereof, and relates to the field of water heaters. The hot water system comprises a first storage water heater and a second storage water heater which are provided with heating devices; the first storage water heater is provided with a first interface which is in communication with an inner cavity of the first storage water heater; the second storage water heater is provided with a second interface which is in communication with an inner cavity of the second storage water heater; a communication pipeline is arranged for connecting the first interface and the second interface; and a water pump is arranged on the communication pipeline and used for driving water heated by the heating device of the first storage water heater to flow to the second storage water heater through the communication pipeline, or driving water heated by the heating device of the second storage water heater to flow to the first storage water heater through the communication pipeline. The application can combine multiple storage water heaters for use, improve the hot water supply of a single storage water heater, and increase the water flow by using the water pump, thereby providing a more comfortable water use experience for users.
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