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公开(公告)号：US20240215783A1
公开(公告)日：2024-07-04
申请号：US18557097
申请日：2021-10-21
Applicant: Beijing Roborock Technology Co., Ltd.
Inventor： Chengyang WANG
CPC classification number: A47L9/22 , A47L9/0081 , A47L9/106
Abstract: A fan assembly is described, including a housing, a fan, and a flexible member located between two ends of the fan and the housing. The fan is fixed within the housing by the flexible member, and the flexible member is configured to avoid a direct contact between the fan and the housing.
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公开(公告)号：US20250057383A1
公开(公告)日：2025-02-20
申请号：US18725249
申请日：2022-08-02
Applicant: Beijing Roborock Technology Co., Ltd.
Inventor： Chang MI , Zhimin YANG , Chengyang WANG
IPC: A47L11/40
Abstract: A self-cleaning maintenance station and a self-cleaning system are provided. The self-cleaning maintenance station includes a self-cleaning maintenance station body that includes a water storage chamber and a water storage tank assembled at a top end of the self-cleaning maintenance station body, where the water storage chamber bas a semi-enclosed structure, and the water storage chamber, with an opening facing upward and forward, is disposed at a top of the self-cleaning maintenance station body and is configured to accommodate the water storage tank; and the water storage tank, after being at least partially inserted into the water storage chamber, is assembled at the top end of the self-cleaning maintenance station body.
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公开(公告)号：US20240226792A1
公开(公告)日：2024-07-11
申请号：US18557082
申请日：2022-04-01
Applicant: Beijing Roborock Technology Co., Ltd.
Inventor： Chengyang WANG
CPC classification number: B01D46/103 , A47L9/0063 , B01D46/0005 , B01D46/16 , A47L2201/024 , B01D2265/06 , B01D2271/02 , B01D2279/55
Abstract: A filtering element, a dust collection pile, and a cleaning system are disclosed. The filtering element includes a frame and a filter screen. The filter screen id disposed on the frame. A receiving groove is formed on the filter screen. The receiving groove includes a first opening, a second opening, and a third opening, wherein the first opening and the second opening are provided opposite to each other, and both ends of the third opening penetrate through the first opening and the second opening.
