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    APPLICATION OF CLEANING SOLUTION ON A SURFACE MAINTENANCE MACHINE
    1.
    发明申请
    APPLICATION OF CLEANING SOLUTION ON A SURFACE MAINTENANCE MACHINE 审中-公开

    公开(公告)号：WO2021188514A1

    公开(公告)日：2021-09-23

    申请号：PCT/US2021/022529

    申请日：2021-03-16

    Applicant: TENNANT COMPANY

    Inventor： JOYNT, Daniel

    IPC: A47L11/10 ,  A47L11/18 ,  A47L11/40

    Abstract: A surface maintenance machine comprises a surface maintenance head assembly with attached surface maintenance tool for collecting debris/fluid using a fluid delivery/recovery system. Embodiments include an outlet nozzle configured to dispense cleaning fluid exiting the outlet nozzle on the surface maintenance tool. The outlet nozzle is fluidly connected to a cleaning fluid source which can vary the intensity of cleaning fluid exiting the outlet nozzle such that different intensities of the cleaning fluid correspond to the cleaning fluid being dispensed on different areas of the surface maintenance tool. Embodiments also include a second outlet nozzle, located opposite the first, which is configured to dispense cleaning fluid exiting the outlet nozzle on the surface maintenance tool. Further embodiments include a pump which can vary the intensity of cleaning fluid exiting the outlet nozzle in a cyclical manner and suspend the cleaning fluid from exiting the outlet nozzle.

    A CLEANER HEAD FOR A VACUUM CLEANER
    2.
    发明申请
    A CLEANER HEAD FOR A VACUUM CLEANER 审中-公开

    公开(公告)号：WO2020245560A1

    公开(公告)日：2020-12-10

    申请号：PCT/GB2020/050967

    申请日：2020-04-17

    Applicant: DYSON TECHNOLOGY LIMITED

    Inventor： ISAACS, Andrew

    IPC: A47L9/04 ,  A47L11/18 ,  A47L11/20

    Abstract: A cleaner head for a vacuum cleaner includes a suction cavity comprising an opening through which debris enters the cleaner head, and an outlet. An agitator is mounted in the suction cavity in a cantilevered manner for rotation relative thereto. The agitator includes a core having a first, free end, a second end remote from the free end, and upstanding helical ridges extending between the free end and the second end, and a row of bristles located between the helical ridges and inclined relative to the core in a direction extending towards the free end of the core.

    CLEANER HAVING A ROLLER AND A FLOW REGULATOR
    6.
    发明申请
    CLEANER HAVING A ROLLER AND A FLOW REGULATOR 审中-公开

    公开(公告)号：WO2023046282A1

    公开(公告)日：2023-03-30

    申请号：PCT/EP2021/076112

    申请日：2021-09-22

    Applicant: AKTIEBOLAGET ELECTROLUX

    Inventor： KLINTEMYR, Andreas ,  NORDIN, Niklas

    IPC: A47L11/19 ,  A47L11/18 ,  A47L11/40

    Abstract: The disclosure concerns a cleaner (2) comprising a housing (4) configured to be moved over a surface (6) to be cleaned and a roller (8) partially arranged in the housing (4). The roller (8) is configured to rotate about a rotational axis (10) and to engage with the surface (6) to be cleaned. The roller (8) comprises a container (12) for liquid, an outlet arrangement (14) for dispensing of liquid to the surface (6) to be cleaned, and a flow path (16) for liquid extending from the container (12) for liquid to the outlet arrangement (14). The cleaner (2) comprises a flow regulator (18) arranged in the flow path (16). The flow regulator (18) is configured to be activated by a rotation (22) of the roller (8) such that liquid is transferred via the flow regulator (18) from the container (12) for liquid to the outlet arrangement (14).

    A CLEANER HEAD FOR A VACUUM CLEANER
    8.
    发明申请
    A CLEANER HEAD FOR A VACUUM CLEANER 审中-公开

    公开(公告)号：WO2020245559A1

    公开(公告)日：2020-12-10

    申请号：PCT/GB2020/050966

    申请日：2020-04-17

    Applicant: DYSON TECHNOLOGY LIMITED

    Inventor： GONCALVES, Ashley

    IPC: A47L9/04 ,  A47L11/18 ,  A47L11/20

    Abstract: A cleaner head for a vacuum cleaner includes a suction cavity having an opening through which debris enters the cleaner head, and an outlet. An agitator is mounted in the suction cavity in a cantilevered manner for rotation relative thereto. The agitator includes a core which is conical in shape and has a first, free end and a second end which has a larger diameter than the first end. The cleaner head includes an agitator engaging member for pressing against the agitator any debris which has become wrapped around the agitator.

    FLEXIBLE ROTARY BRUSH HUB
    9.
    发明申请
    FLEXIBLE ROTARY BRUSH HUB 审中-公开
    柔性旋转布鲁斯

    公开(公告)号：WO2017044817A1

    公开(公告)日：2017-03-16

    申请号：PCT/US2016/051061

    申请日：2016-09-09

    Applicant: SMITH, Simon E.

    Inventor： SMITH, Simon E.

    IPC: A47L11/18 ,  A47L11/40

    CPC classification number: B63B59/08 ,  A46B13/008 ,  A46B13/02 ,  B08B1/002 ,  B08B1/04 ,  E04H4/1618

    Abstract: A rotary cleaning apparatus for underwater cleaning including a housing, a battery, a motor and a flexible hub system. The flexible hub system includes a toroidal brush system coupled to a circular centrifugal pump assembly. The flexible hub system includes a flexible hub allowing the flexible hub system to bend out of plane. When the flexible hub system is rotated underwater at a curved surface, the brush system cleans the surface while the suction of the centrifugal pump assembly flexes the flexible hub system to evenly contact the surface.

    Abstract translation: 一种用于水下清洗的旋转清洁装置，包括壳体，电池，电动机和柔性轮毂系统。 柔性轮毂系统包括耦合到圆形离心泵组件的环形刷系统。 柔性轮毂系统包括允许柔性轮毂系统弯曲成平面的柔性轮毂。 当柔性轮毂系统在弯曲表面水下旋转时，刷子系统清洁表面，同时离心泵组件的抽吸使柔性轮毂系统弯曲以均匀地接触表面。

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