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    Fan and cleaning apparatus
    1.
    发明授权
    Fan and cleaning apparatus 有权

    公开(公告)号：US12209591B2

    公开(公告)日：2025-01-28

    申请号：US18015969

    申请日：2021-06-17

    Applicant: Beijing Roborock Technology Co., Ltd.

    Inventor： Changcheng Li ,  Xing Li

    IPC: F04D29/54 ,  A47L5/22 ,  A47L9/00 ,  F04D25/06

    Abstract: A fan and a cleaning apparatus. The fan comprises: a fluid module for generating and guiding an airflow, the fluid module comprising a diffuser which has a first positioning mechanism; and a stator module detachably connected to the diffuser, the stator module being provided with a second positioning mechanism adaptive to the first positioning mechanism. The fan uses a modular structure, is simple to assemble, and is suitable for mechanical production.

    Autonomous cleaning device
    3.
    发明授权
    Autonomous cleaning device 有权

    公开(公告)号：US11612295B2

    公开(公告)日：2023-03-28

    申请号：US17678559

    申请日：2022-02-23

    Applicant: Beijing Roborock Technology Co., Ltd.

    Inventor： Xing Li ,  Pan Cheng ,  Chuanlin Duan ,  Zhimin Yang ,  Jungang Liu ,  Fan Yang ,  Erdong Gu ,  Rongxin Hu ,  Lei Wang ,  Lei Zhang

    IPC: A47L11/40

    Abstract: An autonomous cleaning device, includes: a mobile platform, configured to move autonomously on a cleaning surface; and a cleaning module, disposed on the mobile platform and including: a wet cleaning module, configured to clean at least part of the cleaning surface in a wet cleaning mode; and a lifting structure, connected to the wet cleaning module and configured to enable the wet cleaning module to move upward or downward with respect to the mobile platform; wherein the wet cleaning module includes: a cleaning head configured to clean the cleaning surface; and a driving unit configured to drive the cleaning head to conduct reciprocating movement on a target surface which indicates a part of the cleaning surface.

    Stator, fan, and cleaning device
    5.
    发明授权
    Stator, fan, and cleaning device 有权

    公开(公告)号：US12199486B2

    公开(公告)日：2025-01-14

    申请号：US18022198

    申请日：2021-09-03

    Applicant: Beijing Roborock Technology Co., Ltd.

    Inventor： Changcheng Li ,  Xing Li

    IPC: H02K3/52 ,  A47L9/00 ,  A47L9/22 ,  F04D17/08 ,  F04D29/28 ,  F04D29/44 ,  H02K11/33 ,  H02K21/20

    Abstract: Disclosed are a stator and a fan. The stator comprises: an annular stator outer ring. A plurality of stator teeth which are uniformly distributed are connected in the circumferential direction of the inner side of the stator outer ring; the stator teeth are provided along the radial direction of the stator outer ring; a winding group coil is wound outside each stator tooth; the depths of first lead grooves of the insulating wire frames corresponding to the winding group coils in the same phase are the same, and depths of first lead grooves of the insulating wire frames corresponding to the winding group coils of different phases are different from each other, so that in the circumferential direction of the stator outer ring, the wires of different phases are staggered in height, and thus the wires of the phases of the stator are arranged in order.

    Fan and cleaning device
    6.
    发明授权
    Fan and cleaning device 有权

    公开(公告)号：US12188476B2

    公开(公告)日：2025-01-07

    申请号：US18008978

    申请日：2021-06-17

    Applicant: Beijing Roborock Technology Co., Ltd.

    Inventor： Changcheng Li ,  Xing Li

    IPC: F04D17/16 ,  F04D29/42 ,  F04D29/44

    Abstract: A fan including: a motor stator; an axial diffuser, fixedly connected to the motor stator and comprising an outer cylinder, a main body portion disposed in the outer cylinder, and diffuser blades connected to the outer cylinder and the main body portion, the diffuser blades separating an annular space between the outer cylinder and the main body portion into more than one pressure diffusion ducts, the main body portion being provided with a central shaft hole; an air inlet cover, fixedly connected to the axial diffuser, the air inlet cover and the axial diffuser forming an impeller chamber and an annular no-gate channel around the impeller chamber, the annular no-gate channel communicating with the impeller chamber and the pressure diffusion ducts, and the air inlet cover being provided with an air inlet; and an impeller, disposed in the impeller chamber and used to introduce air from the air inlet.

    BASE STATION AND CLEANING ROBOT SYSTEM
    9.
    发明申请
    BASE STATION AND CLEANING ROBOT SYSTEM 有权

    公开(公告)号：US20250127359A1

    公开(公告)日：2025-04-24

    申请号：US18682776

    申请日：2022-03-22

    Applicant: Beijing Roborock Technology Co., Ltd.

    Inventor： Xing Li ,  Pan Cheng ,  Xiang Lin

    IPC: A47L9/28 ,  A47L11/40

    Abstract: The present application provides a base station and a cleaning robot system. The base station is used for cleaning a cleaning system of a cleaning robot. The base station comprises: a base station body; and a cleaning assembly, which is movably provided on the base station body, the cleaning assembly comprising a first cleaning piece capable of floating up and down relative to the base station body, and the first cleaning piece interferes with the cleaning system to remove debris on the cleaning system.

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