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公开(公告)号：US20170239676A1
公开(公告)日：2017-08-24
申请号：US15504273
申请日：2015-08-14
Applicant: Nilfisk A/S
Inventor： Mikkel Aggersbjerg Kristensen
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.
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公开(公告)号：US20160288175A1
公开(公告)日：2016-10-06
申请号：US15037522
申请日：2014-11-10
Applicant: Nilfisk A/S
Inventor： Lars Therkildsen
Abstract: A cleaning device contains a cleaning nozzle unit with at least one nozzle having an exit channel with a nozzle opening. The unit is mounted on a rotary shaft having a longitudinal axis and a direction of rotation and the cleaning device further includes a propeller mounted on the rotary shaft. The propeller has at least one plate shaped vane with a first plate part having a leading edge with a length and a second plate part having a trailing edge with a length, the leading edge is oriented in the direction of rotation and the trailing edge is oriented in an opposite direction. The propeller has at least one first opening between the leading edge and a neighboring trailing edge, said first opening(s) having at least one height h1, determined parallel to the longitudinal axis of the rotary shaft and between the leading edge and the neighboring trailing edge.
Abstract translation: 清洁装置包括清洁喷嘴单元，其具有至少一个具有喷嘴开口的出口的喷嘴。 该单元安装在具有纵向轴线和旋转方向的旋转轴上，并且清洁装置还包括安装在旋转轴上的螺旋桨。 螺旋桨具有至少一个板状叶片，其第一板部分具有长度的前缘，第二板部分具有一段长度的后缘，前缘沿旋转方向定向，后缘定向 在相反的方向。 螺旋桨在前缘和相邻的后缘之间具有至少一个第一开口，所述第一开口具有至少一个高度h1，该高度h1平行于旋转轴的纵向轴线确定，并且在前缘和相邻拖尾之间 边缘。
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公开(公告)号：US20250113967A1
公开(公告)日：2025-04-10
申请号：US18430179
申请日：2024-02-01
Applicant: Nilfisk A/S
Inventor： Thomas J. Suelflow , Kurt Vetse , Stephen Klopp
IPC: A47L11/40 , A46B13/00 , A46B13/02 , A47L9/00 , A47L9/28 , A47L11/24 , A47L11/292 , B60B19/00 , B60K1/02
Abstract: A cleaning machine includes a driving assembly, a cleaning element, and a controller assembly. The driving assembly includes a pair of drive wheels, a rear motor, a multi-directional wheel, and a front motor. Each wheel of the pair of drive wheels is configured to be driven independently of the other wheel of the pair of drive wheels. The rear motor is operably coupled to the pair of drive wheels and is disposed to drive at least one wheel of the pair of drive wheels. The multi-directional wheel is disposed forward of the pair of drive wheels. The front motor is operably coupled to is disposed to steer the multi-directional wheel. The cleaning element is disposed forward of the pair of drive wheels. The controller assembly is disposed to control at least one of the rear motor, the front motor, or a combination thereof.
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公开(公告)号：US20250064282A1
公开(公告)日：2025-02-27
申请号：US18727556
申请日：2023-02-01
Applicant: Nilfisk A/S
Inventor： Mikael Hansen
Abstract: A method of operating a vacuum device includes operating the vacuum device. Voltage is provided to a turbine of the vacuum device to spin a rotary element of the turbine. A flow of air is drawn through a portion of the vacuum device in response to spinning the rotary element of the turbine. A pressure difference between a first location inside the vacuum device and a second location inside the vacuum device. The first location is disposed upstream relative to a direction of the flow of air from the turbine. The first location is also disposed downstream relative to the direction of the flow of air from a filter element of the vacuum device. An amount of voltage across the turbine is adjusted in response to the measured pressure difference. A performance characteristic of the turbine is monitored.
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Patent Agency Ranking
公开(公告)号：US20240180382A1
公开(公告)日：2024-06-06
申请号：US18504842
申请日：2023-11-08
Applicant: Nilfisk A/S
Inventor： Alexandros Matthaios
CPC classification number: A47L11/4008 , A47L11/4011 , G06F3/1423 , G06F3/147 , G06V20/50 , G06V40/10
Abstract: A method of operating a cleaning machine can include determining if a human is detected nearby. If a human is not detected, the process can restart. If a human is detected, then a determination can be made if there is emergency information to show. If there is emergency information to be shown, then the emergency information can be shown. If there is no emergency information to be shown, then an attention seeking mode can be enabled. The presence of a target group can be determined. The availability of content relevant to the target group can be determined. If content relevant to the target group is available, then the content can be displayed. If content relevant to the target group is not available, then the method can restart or return to a previous step.
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公开(公告)号：US20240110726A1
公开(公告)日：2024-04-04
申请号：US17957586
申请日：2022-09-30
Applicant: Nilfisk A/S
Inventor： Hans Jørgen Bank Olesen , Leif Nørgaard Christensen
IPC: F24H9/1832 , F24H9/02
CPC classification number: F24H9/1832 , F24H9/02
Abstract: A heating unit for heating a fluid includes a tank, a burner element, and a lower unit. The tank defines top and bottom ends and includes an outer wrap, an inner wrap, and a cooling chamber. The outer wrap extends along an axial centerline defined by the tank. The inner wrap is disposed within the outer wrap. The cooling chamber is defined in-part by and is disposed between the inner and outer wraps along a radial direction of the tank. The burner element is disposed on the top end of the tank. The blower unit is disposed on the bottom end of the tank and is in fluid communication with the burner element via the cooling chamber. An outlet of the blower unit is disposed along the axial centerline of the tank.
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公开(公告)号：US20220197293A1
公开(公告)日：2022-06-23
申请号：US17270707
申请日：2019-08-27
Applicant: Nilfisk A/S
Inventor： Claus Thybo , Rasmus Pedersen
Abstract: The invention provides an autonomous surface treatment vehicle, e.g. a floor cleaner, with an autonomy system navigating according to a map, a scanning sensor to detect a position of an obstacle within a scanning zone and generate a detection signal. A safety system is arranged to generate a safety stop in case the detection signal indicates an obstacle within a safety zone. The safety system can enter a special mode of operation, e.g. upon request from the autonomy system, where a special safety zone selection algorithm selects the safety zone e.g. from a special set of pre-determined safety zones. Especially, such special mode can provide safety zones with a relaxed speed limit in combination with a restricted direction limit, so as to provide a faster driving near a wall or similar known obstacle.
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公开(公告)号：US20200288936A1
公开(公告)日：2020-09-17
申请号：US16885835
申请日：2020-05-28
Applicant: Nilfisk A/S
Inventor： Kipp Knutson , Stuart McDonald , Stephen Klopp , John Black , Dave Wood , Donald Joseph Legatt
Abstract: A control system for a robotic floor cleaning machine configured to perform a cleaning operation along a cleaning path can comprise a controller, and a plurality of sensors. The controller can be configured to control autonomous movement of the robotic floor cleaning machine along the cleaning path and autonomous performance of the cleaning operation. The plurality of sensors can be configured to sense a location of the robotic floor cleaning machine relative to surroundings of the robotic floor cleaning machine. At least two sensors from the plurality of sensors are configured to locate the robotic floor cleaning machine in overlapping areas of the surroundings.
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公开(公告)号：US10674882B2
公开(公告)日：2020-06-09
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
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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