Noise reduction mute device for steam heating

By designing a combination structure of base and outer guide shroud in the steam pot, and utilizing counterweight balls, guide channels, and sound-absorbing structures, the problem of poor noise reduction in existing steam pots has been solved, achieving the effects of reducing noise, improving heating efficiency, and extending service life.

CN224304356UActive Publication Date: 2026-05-29GUANGDONG KANGZUN RUIHUANG TECHNOLOGY INNOVATION CO LTD
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Patent Information

Application Number
CN202521033781.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2025-04-18
Filing Date
2025-05-23
Publication Date
2026-05-29
Estimated Expiration
2035-05-23

AI Technical Summary

Technical Problem

The noise reduction effect of the existing steam cooker's exhaust valve is not good, resulting in a low market share of household steam cookers in the home appliance market.

Method used

Design a noise reduction and silencing device including a base and an outer flow guide. Utilize a counterweight ball, a flow decompression chamber, a flow channel, and a blocking and silencing structure to reduce turbulent noise through diffusion, pressure reduction, and silencing.

Benefits of technology

It significantly reduces the operating noise of the steam cooker, improves heating efficiency, extends the service life of the device, and ensures uniform and efficient heating of food.

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Abstract

The utility model discloses a noise reduction muting device for steam heating, which relates to the technical field of steam heating noise reduction and comprises a base and an outer-layer flow guide cover which are mounted together, a flow guide pressure reduction cavity is formed between the base and the outer-layer flow guide cover, and the outer-layer flow guide cover is provided with a steam exhaust duct for exhausting steam entering the flow guide pressure reduction cavity. A balance weight ball is placed in a steam outlet of the base, and a plurality of flow guide channels used for reducing noise are arranged in the flow guide pressure reduction cavity. According to the utility model, steam flow is shunted, so that the pressure and speed of the steam flow are reduced in the flow guide channel, the turbulent flow of the steam flow is reduced, high-frequency noise is effectively eliminated, the noise reduction effect is further achieved, and meanwhile, the counterweight ball can prevent low-pressure steam from entering the heating cavity in advance to cause accumulation of condensed water and influence the heating efficiency.
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