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    MOTOR HOUSING WITH SILENCER FOR A VACUUM CLEANING DEVICE
    1.
    发明申请
    MOTOR HOUSING WITH SILENCER FOR A VACUUM CLEANING DEVICE 审中-公开
    用于真空清洁装置的消音器电机壳体

    公开(公告)号：WO2017140319A1

    公开(公告)日：2017-08-24

    申请号：PCT/DK2017/050034

    申请日：2017-02-10

    Applicant: NILFISK A/S

    Inventor： LARSEN, Peter Nøhr ,  SAHSAH, Bilal

    IPC: A47L9/00 ,  A47L9/22

    CPC classification number: A47L9/0081 ,  A47L9/22

    Abstract: A compact motor housing for housing a motor and a blower of a cleaning device and with integrated air outlet silencing. The motor housing encloses a flow passage between a flow inlet and outlet. The housing has a blower chamber fluidically connected to the flow inlet, and via first and second outlet openings also fluidically connected to at least two parallel, preferably similar, silencer ducts each being arranged in an area limited by an angle of less than 90°, seen in a view parallel with the blower and motor axis. The silencer ducts each have at least one wallbetween the blower chamber and the external wall of the motor housing for causing at least one flow direction bend, so as to provide a noise attenuating effect. The areas occupied by the at least two silencer ducts are non-overlapping, seen in a view parallel with the blower and motor axis. With a circular blower chamber, a compact box shaped motor housing can be provided with corner volumes available for silencer ducts.

    Abstract translation:

    紧凑的电机外壳，用于容纳电机和清洁设备的鼓风机，并具有集成的出气口静音功能。 马达壳体包围流动入口和出口之间的流动通道。 壳体具有与流动入口流体连接的鼓风室，并且经由第一和第二出口开口流体连接至至少两个平行的，优选类似的消音管道，每个消音管道布置在由小于90°的角度限制的区域中， 在与鼓风机和电机轴线平行的视图中看到。 消声器管道在鼓风机室和电机壳体的外壁之间各具有至少一个壁，用于引起至少一个流动方向弯曲，从而提供噪声衰减效果。 在与鼓风机和马达轴线平行的视图中观察，由至少两个消音器管道占据的区域不重叠。 通过一个圆形鼓风机室，一个紧凑的箱形电机外壳可以提供消音管道的角部容积。

    HIGH PRESSURE CLEANER WITH ADJUSTABLE PRESSURE OR FLOW LEVEL
    2.
    发明申请
    HIGH PRESSURE CLEANER WITH ADJUSTABLE PRESSURE OR FLOW LEVEL 审中-公开
    具有可调节压力或流量级的高压清洁器

    公开(公告)号：WO2016023559A1

    公开(公告)日：2016-02-18

    申请号：PCT/DK2015/050237

    申请日：2015-08-14

    Applicant: NILFISK A/S

    Inventor： KRISTENSEN, Mikkel Aggersbjerg

    IPC: B05B9/01 ,  B05B12/00 ,  B08B3/02

    CPC classification number: B05B12/002 ,  B05B9/01 ,  B05B9/0403 ,  B05B12/00 ,  B08B3/026 ,  B08B3/028

    Abstract: A high pressure cleaner with adjustable flow and/or pressure. A controller (CTL) serves to receive a wireless control signal (WCS) from a remote control unit (RCU), e.g. integrated in the spray handle (SH), in response to an input from a user. The controller (CTL) controls the high pressure module (HPM), e.g. electric power to its electric motor, so as to adjust a flow and/or pressure level at the liquid output (L_O) of the high pressure module (HPM) in accordance with the wireless control signal (WCS), between a plurality of different flow and/or pressure levels in an active state of the high pressure module (HPM). Further, the controller may be arranged to switch off electric power to the motor of the high pressure module (HPM) and/or activate a safety valve in response to a wireless control signal (WCS). The user interface (U_I) that allows the user to enter the desired flow and/or pressure level, may further visualize the flow and/or pressure level to the user.

    Abstract translation: 具有可调节流量和/或压力的高压清洁器。 控制器（CTL）用于从远程控制单元（RCU）接收无线控制信号（WCS），例如， 响应于来自用户的输入而集成在喷雾手柄（SH）中。 控制器（CTL）控制高压模块（HPM）。 电力，以便根据无线控制信号（WCS）在多个不同流量之间调节在高压模块（HPM）的液体输出（L_O）处的流量和/或压力水平 和/或高压模块（HPM）的活动状态下的压力水平。 此外，控制器可以被布置为响应于无线控制信号（WCS）而切断对高压模块（HPM）的电动机的电力和/或激活安全阀。 允许用户输入所需流量和/或压力水平的用户界面（U_I）可进一步使用户可视化流量和/或压力水平。

    A CONNECTION ELEMENT FOR A MOUTHPIECE
    3.
    发明申请
    A CONNECTION ELEMENT FOR A MOUTHPIECE 审中-公开
    一个连接元素的MOUTHPIECE

    公开(公告)号：WO1997013445A1

    公开(公告)日：1997-04-17

    申请号：PCT/DK1996000439

    申请日：1996-10-14

    Applicant: NILFISK A/S ,  HAMMEKEN, Nils, Preben ,  MATTHIASSEN, Benny

    Inventor： NILFISK A/S

    IPC: A47L09/02

    CPC classification number: A47L9/242 ,  A47L9/02

    Abstract: A connecting element for coupling of the suction pipe (3) of a suction cleaner to a mouthpiece (2) having a suction sole (9) with an abutment surface (10) and an elongated suction slot which debouches on the abutment surface (10) of the suction sole (9), and wherein the connecting element comprises flexible joints (4, 5, 7, 8) which may transmit an angle change of the suction pipe (3) of the vacuum cleaner about the longitudinal axis of the suction pipe to a rotation of the vacuum cleaner mouthpiece in the plane of the abutment surface (10), and also allows a freedom of movement between the vacuum cleaner mouthpiece (2) and the vacuum cleaner suction pipe (3) whereby the abutment surface may freely assume different orientations relative to the longitudinal axis of the suction pipe. According to the invention the flexible joint has a freedom of movement which allows the suction pipe to be freely movable about an axis (8a) which is parallel with the suction slot in an angle ( alpha ) outwards to both sides of a plane (11) which is perpendicular to the plane of the abutment surface (10) and extends along and through the elongated suction slot, and the suction pipe (3) has or may assume an angle ( beta ) in the plane (11) which is perpendicular to the plane of the abutment surface (10), said angle ( beta ) being, relative to the plane (10) of the abutment surface, less than 80 DEG .

    Abstract translation: 用于将抽吸清洁器的吸入管（3）联接到具有带有抵靠表面（10）的吸力鞋底（9）的吸嘴（2）和在邻接表面（10）上脱出的细长吸入槽的连接元件， ，并且其中所述连接元件包括柔性接头（4,5,7,8），所述柔性接头可以将所述真空吸尘器的吸入管（3）的角度变化围绕所述吸入管的纵向轴线传播 使真空吸尘器吸嘴在邻接表面（10）的平面中旋转，并且还允许真空吸尘器吸嘴（2）和真空吸尘器吸入管（3）之间的自由运动，从而邻接表面可以自由地呈现 相对于抽吸管的纵向轴线的不同取向。 根据本发明，柔性接头具有运动自由度，其允许吸管能够围绕平行于平面（11）的两侧的角度（α）的与吸入槽平行的轴线（8a）自由移动， 其垂直于所述邻接表面（10）的平面并且沿着并穿过所述细长的吸入槽延伸，并且所述吸入管（3）具有或可以在所述平面（11）中具有或可以呈现垂直于 邻接表面（10）的平面，所述角度（β）相对于邻接表面的平面（10）小于80°。

    A BLOWER FOR A VACUUM CLEANER
    4.
    发明申请
    A BLOWER FOR A VACUUM CLEANER 审中-公开
    用于真空清洁器的鼓风机

    公开(公告)号：WO1997019629A1

    公开(公告)日：1997-06-05

    申请号：PCT/DK1996000486

    申请日：1996-11-22

    Applicant: NILFISK A/S ,  ANDERSEN, Tommy

    Inventor： NILFISK A/S

    IPC: A47L05/22

    CPC classification number: F04D29/444 ,  A47L5/22 ,  F04D29/281

    Abstract: A vacuum cleaner blower (1) with a blower wheel (7) and a motor (2) arranged for rotating the blower wheel (7) abuts its axis of symmetry (13), and a diffuser (8) extending radially beyond the outer periphery of the blower wheel (7), and wherein the diffuser (8) has guide surfaces (17, 18) which form diffusion flow passages (14) that define the flow direction for the air conveyed through the diffuser (8) from the blower wheel (7), said flow direction being anywhere in the diffuser flow passage (14) definable by velocity components in radial, axial and tangential directions, respectively, relative to the axis of rotation (13) of the blower (7). The diffuser flow passages (14) according to the invention formed by the guide surfaces (17, 18) being so provided that they convey the flow of air in such a manner that the velocity component of the flow in the axial direction relative to the velocity component of the flow in the radial direction is higher at the outlet opening of the diffuser flow (14) than at the inlet opening, makes it possible in case of given installation dimensions to design an efficient diffuser while simultaneously providing the blower wheel with a relatively large outer periphery.

    Abstract translation: 具有鼓风轮（7）和布置用于使鼓风轮（7）旋转的马达（2）的真空吸尘器鼓风机（1）邻接其对称轴（13），以及扩径器（8），径向延伸超出外周 ，并且其中所述扩散器（8）具有引导表面（17,18），所述引导表面形成扩散流动通道（14），所述扩散流动通道限定从所述鼓风机叶轮输送通过所述扩散器（8）的空气的流动方向 （7）中，所述流动方向是在所述扩散器流动通道（14）中的任何地方，所述扩散器流动通道（14）可相对于所述鼓风机（7）的旋转轴线（13）分别以径向，轴向和切线方向的速度分量来定义。 根据本发明的由引导表面（17,18）形成的扩散器流动通道（14）被设置成使得它们以这样的方式传送空气流，使得流体在轴向上的速度分量相对于速度 在径向方向上的流动分量在扩散器流（14）的出口处比在入口开口处更高，使得在给定的安装尺寸的情况下可以设计有效的扩散器，同时为鼓风机叶轮提供相对的 大外围大

    PROPULSION SYSTEM FOR CLEANING MACHINES
    6.
    发明申请
    PROPULSION SYSTEM FOR CLEANING MACHINES 有权

    公开(公告)号：US20250113966A1

    公开(公告)日：2025-04-10

    申请号：US18377033

    申请日：2023-10-05

    Applicant: Nilfisk A/S

    Inventor： Thomas J. Suelflow ,  Kurt Vetse ,  Stephen Klopp

    IPC: A47L11/40 ,  A46B9/02 ,  A46B13/00 ,  A46B13/02 ,  A47L11/24 ,  A47L11/293 ,  B60K1/00 ,  B60K1/02

    Abstract: A cleaning machine for cleaning along an intended direction of use includes a drive assembly, a cleaning element, and a multi-directional wheel. The Drive assembly includes a motor and a pair of drive wheels operable connected to the motor. Each wheel of the pair of wheels can be configured to be driven independently of the other wheel. The cleaning element can be disposed forward of the pair of drive wheels along the intended direction of use of the cleaning machine. The multi-directional wheel disposed forward along the intended direction of use of the pair of drive wheels. The multi-directional wheel can define a pivot axis and can be configured to swivel about the pivot axis in a range of direction extending 360°.

    ADAPTER PLATE
    9.
    发明申请
    ADAPTER PLATE 审中-公开

    公开(公告)号：US20170273519A1

    公开(公告)日：2017-09-28

    申请号：US15512362

    申请日：2015-09-15

    Applicant: NILFISK A/S

    Inventor： Henrik MATHIASSEN ,  Steen Klimt JOHANNESEN ,  Thomas ELMER ,  Trine BAEK NIELSEN

    IPC: A47L9/00 ,  B65D25/20

    Abstract: An adapter device for arranging a container (4, 6) on the upper face (5) of a cleaning device (9), said adapter device consisting of an adapter plate (1, 2) with a support surface (13, 15) and at least one locking element for locking the container in place on the (4, 6) adapter plate. The adapter plate (1, 2) is divided into at least two parts and consists of a front adapter plate (1) and a rear adapter plate (2) which can be separately mounted on the upper face (5) of the cleaning device (9).

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