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Title:
ULTRASONIC CLEANING DEVICE AND WASHING MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/202274
Kind Code:
A1
Abstract:
An ultrasonic cleaning device and a washing machine. The ultrasonic cleaning device comprises: a cleaning tub (1) for containing washing water; a water feeding unit (2) for feeding water into the cleaning tub (1); a water level measurement unit (4) for measuring the liquid level in the cleaning tub (1), wherein a measurement end of the water level measurement unit (4) extends into the cleaning tub (1); and a water blocking structure (5), which is arranged inside the cleaning tub (1) and is used for blocking the water fed by the water feeding unit (2) from impacting the measurement end of the water level measurement unit (4). The provision of the water blocking structure (5) on the cleaning tub (1) reduces the flow speed at which a fed water flow flows to the measurement end of the water level measurement unit (4), which prevents the fed water flow from oscillating to overflow from the cleaning tub (1), and also avoids the inaccuracy of a level measurement result of the water level measurement unit (4). Therefore, the present invention ensures that the level of fed water is accurate, prevents the fed water in the cleaning tub (1) from being insufficient or overflowing, and has a simple structure and low costs.

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Inventors:
LIU JIANSHE (CN)
LIU ZUNAN (CN)
LIU PEIFEI (CN)
YU YUANYUAN (CN)
Application Number:
PCT/CN2023/081550
Publication Date:
October 26, 2023
Filing Date:
March 15, 2023
Export Citation:
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Assignee:
HEFEI HAIER WASHING MACHINE CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
D06F19/00; B08B3/12; D06F33/34; D06F39/00
Foreign References:
CN107570483A2018-01-12
JP2012024510A2012-02-09
CN107237088A2017-10-10
CN111358380A2020-07-03
JP2016144784A2016-08-12
JPH10309255A1998-11-24
Attorney, Agent or Firm:
BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)
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