Abstract: In a bagless vacuum cleaner, comprising a cyclonic separator having a cyclone tube (6), and a bucket (3) for containing a liquid, a diameter of the bucket (3) is at least 2 times a diameter of the cyclone tube (6). Preferably, in the bucket (3) there is a body (8) having a center in line with a center of the cyclone tube (6), a shape of the body (8) being or approximating a mushroom-shape.

Abstract: In a method of monitoring pollution of an air filter (Filt1) in a device in which an air flow (A) generated by a fan (F) engaged by a motor (M) passes the air filter (Filt1), the pollution is determined using data representative of a pressure difference (D2) over the fan (F), a pressure difference (D1) over the air filter, and a motor current (I) to the motor (M). The method comprises the steps of: estimating a flow through the air filter from data representative of the pressure difference (D2) over the fan (F), and the motor current (I) to the motor (M), estimating a filter resistance of the air filter from data representative of the flow through the air filter, and the pressure difference (D1) over the air filter, and estimating the pollution of the air filter from data representative of the filter resistance of the air filter.

Abstract: A fan assembly (10) includes a housing (20) with an air inlet (70), a fan inlet (60), and an air outlet (80). The fan assembly further includes an impeller (30) and a motor (40) configured to drive the impeller, the impeller having a plurality of circumferentially positioned spaced blades (34). An air-permeable guard (50) is positioned between the air inlet and the fan inlet to prevent users from touching the impeller (30), and is spaced a first distance (54) from the fan inlet (60), and a second distance from the air inlet (70) so that a filter (90) may be provided between the air inlet (70) and the air-permeable guard (50). Preferably, the first distance (54) is such so as to allow incoming air to at least partially rotate prior to entering the fan inlet.

Abstract: A separation device for separating a cyclone chamber from a collection chamber of a cyclonic separator has a guide member that includes a leading end, a trailing end, and a guide surface. The guide surface guides debris entrained in an airflow in the cyclone chamber in a helical path about an axis of the separation device and into the collection chamber. The guide surface extends about the axis of the separation device through an angle of less than 360 degrees for allowing debris in the cyclone chamber to also pass into the collection chamber from the cyclone chamber in an axial direction. The leading end of the guide member is at an angle between 30° and 60° towards the cyclone chamber with respect to the axis of the separation device to promote a helical flow of air and debris flowing over the guide surface.

Abstract: The present invention relates to a cyclone separation device for separating particles from air and a cyclone vacuum cleaner (80). It has the objective to reduce noise without impairing the dirt separation performance. This is achieved an arrangement comprising a cyclone chamber (10), a dirt collecting chamber (50) arranged adjacent to the cyclone chamber (10) for collecting dirt particles separated from air, a dirt-duct (40) between the cyclone chamber (10) and the dirt collecting chamber (50) for allowing dirt particles to pass from the cyclone chamber (10) towards the dirt collecting chamber (50), and an air-guide (60) arranged adjacent to the dirt-duct (40) for reducing the momentum of the air in the dirt-duct (40).

Abstract: The present invention relates to a teat for a feeding bottle. The teat has an outer wall (18) and a plurality of recesses (25) formed in an outer wall (18). The plurality of recesses (25) extend in a circumferential arrangement around a longitudinal axis of the teat. The present invention also relates to a teat with an outer wall (5, 46, 66). The outer wall has a region of reduced wall thickness (7, 47, 67, 84) extending in a circumferential band around a longitudinal axis of the teat.

Abstract: A vacuum cleaner (1) comprises an inlet (13), an outlet, a fan (14) for creating a flow of air through the vacuum cleaner (1) by drawing air to be cleaned through the inlet (13) into the vacuum cleaner (1) and by exhausting air through the outlet outwardly of the vacuum cleaner (1) and a separator (15, 41). The separator (15, 41) is rotatably arranged around an rotation axis (21), for creating, during use, a column of rotating air to separate at least a portion of the airborne particles (10) from the flow of air. The separator (15, 41) includes a number of vanes (25, 44) for the creation of the column of rotating air, wherein each vane (25, 44) is provided with a leading face (26) and a trailing face (27). The leading faces (26) of the vanes (25, 44) are inclined with respect to the rotation axis (21) for conveying the airborne particles (10) at least in an axial direction.

Abstract: A vortex finder (18,27,40) for a cyclonic separator (1) through which air flowing in a helical path ‘D’ about an axis A-A of a cyclone chamber (4) passes to an outlet (6) is disclosed. The vortex finder comprises a plurality of stationary overlapping vanes (13,19) extending in an axial direction and spaced radially around said axis ‘A’, the vanes (13,19) being positioned relative to each other so a helical flow of air about the axis of the cyclone chamber (4) passes over an outer surface (16) of the vanes (13,19) with a portion of the air flow being redirected around a leading edge (14) of each vane (13,19) and through a gap between adjacent vanes (13,19) to the outlet (6).

Abstract: The present invention relates to a separation device (14) for separating a cyclone chamber (15) from a collection chamber (16) of a cyclonic separator (10). The separation device (14) has a guide member (17) that comprises a leading end (17A), a trailing end (17B), and a guide surface (17C). The guide surface guides debris entrained in an airflow in the cyclone chamber in a helical path about an axis (X-X) of the separation device (14) and into the collection chamber (16). The guide surface extends about the axis of the separation device (14) through an angle of less than 360 degrees for allowing debris in the cyclone chamber (15) to also pass into the collection chamber (16) from the cyclone chamber in an axial direction. The leading end (17A) of the guide member (17) is at an angle (a) between 30 degrees and 60 degrees towards the cyclone chamber (15) with respect to the axis (X-X) of the separation device (14) to promote a helical flow of air and debris flowing over the guide surface.

Abstract: A teat includes a stem and a nipple, in which a structured area has an undulating surface on at least a partial region of the stem or nipple. The surface roughness of the undulating surface being greater than 100 ?m.

Abstract: Cleaning device for cleaning a surface (20), the cleaning device having a nozzle arrangement (10) comprising: —a brush (12) rotatable about a brush axis (14), said brush (12) being provided with brush elements (16) having tip portions (18) for contacting the surface to be cleaned (20) and picking up dirt and/or liquid particles (22, 24) from the surface (20) during the rotation of the brush (12), —a drive means for rotating the brush (12), —a first deflector element (32) with a first deflector surface (33) that extends substantially parallel to the brush axis (14), wherein the first deflector surface (33) is configured to interact with the brush (12) during the rotation of the brush (12) for releasing the picked-up dirt and/or the liquid particles (22, 24) from the brush (12), and —a second deflector element (34) that is spaced apart from the brush (12) and the first deflector element (32), the second deflector element (34) comprising a second deflector surface (35a) that is oriented transverse to the first d

Abstract: In a method of monitoring pollution of an air filter (Filt1) in a device in which an air flow (A) generated by a fan (F) engaged by a motor (M) passes the air filter (Filt1), the pollution is determined using data representative of a pressure difference (D2) over the fan (F), a pressure difference (D1) over the air filter, and a motor current (I) to the motor (M). The method comprises the steps of: estimating a flow through the air filter from data representative of the pressure difference (D2) over the fan (F), and the motor current (I) to the motor (M), estimating a filter resistance of the air filter from data representative of the flow through the air filter, and the pressure difference (D1) over the air filter, and estimating the pollution of the air filter from data representative of the filter resistance of the air filter.

Abstract: The present invention relates to a nozzle arrangement (10) for a cleaning device (100) for cleaning a surface, the nozzle arrangement comprising: —a brush (12) rotatable about a brush axis (14), the brush being provided with flexible brush elements (16) having tip portions (18) for contacting the surface to be cleaned (20) and picking up dirt and/or liquid particles (22, 24) from the surface (20) during the rotation of the brush (12), wherein the brush (12) is at least partly surrounded by a nozzle housing (28) and protrudes at least partly from a bottom side (30) of the nozzle housing (28), —a squeegee element (32) which is spaced apart from the brush (12) and attached to the bottom side (30) of the nozzle housing (28) on a first side (31) of the brush (12) where the brush elements (16) enter the nozzle housing (28) during the rotation of the brush (12), wherein the squeegee element (32) is configured for wiping dirt and/or liquid particles (22, 24) across or off the surface to be cleaned (20) during a movem

Abstract: The present invention relates to a nozzle arrangement (10) for a floor cleaning device (100), comprising a nozzle housing (28); a brush (12) rotatable about a brush axis (14), wherein the brush (12) is partially surrounded by the nozzle housing (28) and protrudes from a bottom side (30) of said nozzle housing (28), said brush (12) being provided with brush elements (16) for picking up dirt and/or liquid particles (22, 24) from a surface to be cleaned (20) during the rotation of the brush (12), and a protection assembly (32) for preventing obstacles (40) from getting sucked into the nozzle housing (28) or wrapped around the brush (12), wherein said protection assembly (32) is arranged within the nozzle housing (28) and comprises a plurality of spaced apart ribs (34) that extend at least partly through the brush (12), wherein a suction channel (42) is defined between a back end (44) of the ribs (34) and an opposite inner wall element (46) of the nozzle housing (28), wherein said back end (44) of the ribs (34) i

Abstract: Nozzle arrangement (10) of a vacuum cleaning device (100) for cleaning a surface (20), comprising: —a nozzle housing (28); —a brush (12) rotatable about a brush axis (14), said brush (12) being provided with flexible microfiber brush elements (16) having tip portions (18) for contacting the surface to be cleaned (20) and picking up dirt and liquid particles (22, 24) from the surface to be cleaned (20) during the rotation of the brush (12); —a drive means for rotating the brush (12); —a single squeegee element (32) for wiping dirt and liquid particles (22, 24) across or off the surface to be cleaned (20) by contacting said surface (20) with its free end (33), wherein said squeegee element (32) extends along a longitudinal direction (48), which is arranged substantially parallel to the brush axis (14), and is attached with its fixed end (33) to the bottom side (30) of the nozzle housing (28) on a side of the brush (12) where the brush elements (16) enter the nozzle housing (28) during the rotation of the brush

Abstract: The present invention relates to an insert adapted to fit on a breast-receiving funnel of a breast pump. The insert comprises a circumferentially extending resiliently deformable wall which defines a teat receiving space and against which a user's teat is locatable, the insert being configured to define a pressure chamber between the resiliently deformable wall and a breast receiving funnel when the insert is fitted on a breast receiving funnel, wherein said wall is configured to deform towards a user's teat located in the teat receiving space in a predetermined manner when a pressure difference is applied between the teat receiving space and the pressure chamber such that a peristaltic action is applied to a user's teat, to aid the expression of milk therefrom.

Abstract: The present invention relates to a nozzle arrangement (10) of a cleaning device (100) for cleaning a surface (20), comprising: a nozzle housing (28); a rotating brush (12) that is rotatable about a brush axis (14) and comprises a substantially cylindrical core element (52) with flexible brush elements (16) that are arranged on a circumferential surface (56) of the core element (52), wherein said brush elements (16) are configured to contact the surface to be cleaned (20) and pick up dirt and liquid particles (22, 24) from the surface to be cleaned (20) during a rotation of the rotating brush (12); a drive for driving the rotating brush (12); a liquid supplying arrangement (58) for supplying a cleansing liquid (68) to the rotating brush (12); a wiping element (32) for wiping dirt and liquid particles (22, 24) across or off the surface to be cleaned (20), wherein said wiping element (32) extends along a longitudinal direction (48), which is arranged substantially parallel to the brush axis (14), and wherein sai

Abstract: The invention relates to a cleaning device (1) for removing particles from a surface (11). Thereto the device sprays droplets (200) of a fluid (201) into a space (213). The droplets (200) are expelled from a rotatable brush (3) as a mist of droplets. Air carrying dirt particles (202) is exposed to the mist, whereby dirt particles coalesce with droplets in the mist in the space (213). The coalesced particles (22) are conveyed to a cleansing unit (14) to be separated from the air. Finally, clean air exits from the device (1).

Abstract: The present invention relates to a cleaning device for cleaning a surface (20), comprising: —a brush (12) rotatable about a brush axis (14), said brush (12) being provided with flexible brush elements (16) that are substantially uniformly distributed over the periphery of the brush (12), wherein the brush (12) is at least partly surrounded by a nozzle housing (28) and protrudes at least partially from a bottom side (30) of said nozzle housing (28), which, during use of the device (100), faces the surface to be cleaned (20), wherein the brush elements (16), during the rotation of the brush (12), substantially form a sealing with the housing (28) at a first position (33) where the brush elements (16) leave the housing (28) during the rotation of the brush (12), and contact the surface to be cleaned (20) during the rotation of the brush (12) at a second position (35) for picking up dirt particles (22) and liquid (24) from said surface (20), thereby defining a suction area (34) in a space between the brush (12),

Abstract: The present invention relates to a nozzle arrangement (10) for a cleaning device (100) for cleaning a surface, the nozzle arrangement comprising: —a brush (12) rotatable about a brush axis (14), the brush being provided with flexible brush elements (16) having tip portions (18) for contacting the surface to be cleaned (20) and picking up dirt and/or liquid particles (22, 24) from the surface (20) during the rotation of the brush (12), wherein the brush (12) is at least partly surrounded by a nozzle housing (28) and protrudes at least partly from a bottom side (30) of the nozzle housing (28), —a squeegee element (32) which is spaced apart from the brush (12) and attached to the bottom side (30) of the nozzle housing (28) on a first side (31) of the brush (12) where the brush elements (16) enter the nozzle housing (28) during the rotation of the brush (12), wherein the squeegee element (32) is configured for wiping dirt and/or liquid particles (22, 24) across or off the surface to be cleaned (20) during a movem