Abstract: The invention relates to a retaining plate (2) for a vacuum cleaner filter bag, comprising a base plate in which a passage opening (3) is formed, and a sealing flap (5) for sealing the passage opening (3), wherein the sealing flap (5) is biased in the sealed position via an elastic element (7), wherein the elastic element (7) is arranged in front of the sealing flap (5) when viewed in the sealing direction; and wherein the elastic member (7) comprises an elastomer, or the elastic member (7) comprises a coil spring (9), wherein the coil spring (9) is at least partially enclosed by a sheath (10).

Abstract: The invention relates to a vacuum cleaner filter bag, including a bag wall which is made of filter material and has a through-passage through which the air to be cleaned can flow into the vacuum cleaner filter bag, in which the bag wall includes an at least partially pleated non-woven fabric material and the bag wall includes a first and a second filter material layer which are joined to one another by a peripheral weld seam, wherein the first and/or second filter material layers comprise include the at least partially pleated non-woven fabric material.

Abstract: The invention relates to a vacuum cleaner filter bag comprising a first bag wall (104) comprising a filter material and a second bag wall also comprising a filter material and a base (103). The first and the second bag wall are joined to the base along one part of the periphery thereof and are joined together along the remaining part of the periphery. The connection between the first bag wall, the second bag wall and the base is formed such that the vacuum cleaner filter bag is completely closed. The filter material of the first and the second bag walls is made of non-woven material. Said vacuum cleaner filter bag comprises an opening (102) through which the air which is to be filtered can pass through into the vacuum cleaner filter bag, and a retaining plate. Said vacuum cleaner filter bag is characterised in that the first and/or the second bag wall comprises at least five folds (101).

Abstract: The invention relates to a vacuum cleaner filter bag, including a first bag wall containing a filter material and a second bag wall containing a filter material. The first and the second bag walls are joined together along the periphery thereof such that the vacuum cleaner filter bag is completely closed. The filter material of the first and the second bag walls is made of a non-woven fabric. The vacuum cleaner filter bag includes an inlet through which the air which is to be filtered can flow into the vacuum cleaner filter bag, also including a retaining plate. The vacuum cleaner filter bag is characterized in that the first and/or the second bag wall includes at least five folds.

Abstract: The invention relates to a vacuum cleaning device with a tank-type vacuum cleaner, a suction hose which is connected to the housing of the tank-type vacuum cleaner, and a filter bag. The tank-type vacuum cleaner has a motor fan unit which is designed such that the average electric input power of the fan unit ranges from 1000 W to 200 W and results in a vacuum of more than 12.5 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 4.0 kPa in the measuring chamber when using aperture 8 in the event of an average electric power input ranging from 1000 W to 800 W; a vacuum of more than 10.0 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 3.4 kPa in the measuring chamber when using aperture 8 in the event of an average electric power input ranging from 799 W to 600 W; a vacuum of more than 7.0 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 2.

Abstract: The invention provides a vacuum cleaner filter bag comprising a first filter layer and a second filter layer, wherein the first filter layer is arranged upstream of the second filter layer in air flow direction, and wherein the first filter layer has at least 3 and at most 25 individual plies, especially at least 5 and at most 15 individual plies, wherein each individual ply is a dry-laid nonwoven having a basis weight of 5 g/m2 to 50 g/m2, especially having a basis weight of 8 g/m2 to 30 g/m2.

Abstract: The invention relates to a robotic vacuum cleaner comprising a base mounted on wheels, a dust collector, and a floor nozzle arranged on the base for taking in an air flow into the robotic vacuum cleaner, the floor nozzle being adjustable in height with respect to the base.

Abstract: The invention relates to a vacuum cleaner robot comprising a suction device mounted on wheels and a power supply device mounted on wheels, where the suction device comprises a floor nozzle, a dust separator and a motorized fan unit for suctioning an air stream in through the floor nozzle, where the suction device comprises a drive device for driving at least one of the wheels of the suction device, and where the power supply device comprises a drive device for driving at least one of the wheels of the power supply device, where said power supply device is via a power supply cable connected to said suction device for supplying said suction device with power.

Abstract: The invention relates to a floor vacuum cleaner comprising a dust collector arrangement mounted on rollers and/or runners, a suction hose, a suction tube, and a floor nozzle, wherein the floor nozzle is fluidically connected to the dust collector arrangement via the suction tube and the suction hose, wherein the dust collector arrangement comprises a dust separator, wherein the dust collector arrangement comprises a motorized fan unit for suctioning an air stream through the floor nozzle, wherein the motorized fan unit is arranged so that an air stream suctioned in through the floor nozzle, the suction tube, and the suction hose flows through the motorized fan unit and into the dust separator, wherein the dust collector arrangement has a housing and the motorized fan unit is mounted on or in the housing, wherein the dust separator is mounted in the housing.

Abstract: The invention relates to a vacuum cleaner robot comprising a dust collector arrangement mounted on wheels, a suction hose and a floor nozzle mounted on wheels, where the floor nozzle is fluidically connected to the dust collector arrangement via the suction hose, also comprising a motorized fan unit for suctioning an air stream in through the floor nozzle, where the motorized fan unit is arranged between the floor nozzle and the dust collector arrangement in such a manner that an air stream suctioned in through the floor nozzle flows through the motorized fan unit and into the dust collector arrangement. where the dust collector arrangement comprises a drive device in order to drive at least one of the wheels of the dust collector arrangement, and where the floor nozzle comprises a drive device in order to drive at least one of the wheels of the floor nozzle.

Abstract: The present invention relates to a vacuum cleaner robot comprising a floor nozzle supported on wheels and a dust collection unit, wherein the floor nozzle comprises a driving device for driving at least one of the wheels of the floor nozzle, wherein one of the wheels, a plurality of or all of the wheels of the floor nozzle are omnidirectional wheels, wherein the floor nozzle comprises a base plate with a base surface, which, when the vacuum cleaner robot is in operation, faces the surface to be cleaned, the base plate having provided therein an air flow channel, which extends parallel to the base surface and through which air to be cleaned enters the floor nozzle, and wherein the floor nozzle comprises a rotating means for rotating the air flow channel about an axis perpendicular to the base surface.

Abstract: The invention relates to a floor vacuum cleaner comprising a dust collector arrangement mounted on rollers and/or runners, a suction hose, a suction tube and a floor nozzle, wherein the floor nozzle is fluidically connected to the dust collector arrangement via the suction tube and the suction hose, also comprising a motorized fan unit for suctioning an air stream through the floor nozzle, wherein the motorized fan unit is arranged between the floor nozzle and the suction tube such that an air stream suctioned in through the floor nozzle flows through the motorized fan unit and into the suction tube.

Abstract: The invention relates to a vacuum cleaning device with a tank-type vacuum cleaner, a suction hose which is connected to the housing of the tank-type vacuum cleaner, and a filter bag. The tank-type vacuum cleaner has a motor fan unit which is designed such that the average electric input power of the fan unit ranges from 1000 W to 200 W and results in a vacuum of more than 12.5 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 4.0 kPa in the measuring chamber when using aperture 8 in the event of an average electric power input ranging from 1000 W to 800 W; a vacuum of more than 10.0 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 3.4 kPa in the measuring chamber when using aperture 8 in the event of an average electric power input ranging from 799 W to 600 W; a vacuum of more than 7.0 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 2.

Abstract: The invention relates to a vacuuming apparatus having a vacuum cleaner, a suction hose which is connected to the housing of the vacuum cleaner, and a filter bag, wherein the cylinder-type vacuum cleaner has a motor/fan unit which is designed in such a way that the average electrical input power of said motor/fan unit lies between 1000 W and 200 W and a negative pressure in the measurement chamber at aperture 6 of greater than 12.5 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 4.0 kPa result at an average electrical input power of between 1000 W and 800 W, a negative pressure in the measurement chamber at aperture 6 of greater than 10.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 3.4 kPa result at an average electrical input power of between 799 W and 600 W, a negative pressure in the measurement chamber at aperture 6 of greater than 7.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 2.

Abstract: The invention relates to a vacuum-cleaning apparatus with a vacuum-cleaner unit and a filter bag, in which the filter bag is designed as a flat bag, as a nonwoven filter bag and as a disposable filter bag, and the vacuum-cleaner unit has a filter-bag-accommodating chamber with rigid walls, wherein the filter-bag-accommodating chamber has an opening which can be closed by a flap and has a predetermined opening surface area, through which the filter bag can be inserted into the filter-bag-accommodating chamber. The invention is distinguished in that the ratio between the surface area of a rectangle corresponding to the opening surface area and the surface area of the filter bag is greater than 0.70, preferably greater than 0.85, and highly preferably greater than 1.0.

Abstract: The invention relates to a vacuum cleaning apparatus having a vacuum cleaning unit and a filter bag, in which the vacuum cleaning unit has a motor-fan unit which is designed in such a way that the vacuum cleaning unit with filter bag inserted with aperture 0 generates a negative pressure between 13 kPa and 6 kPa, preferably a negative pressure of between 20 kPa and 8 kPa and particularly preferably a negative pressure between 15 kPa and 8 kPa and, with aperture 8 (40 mm), generates an air flow between 25 l/s and 49 l/s, preferably an air flow between 30 l/s and 45 l/a, and particularly preferably an air flow between 35 l/s and 45 l/s, and the filter bag is a disposable filter bag made of nonwoven material which, during the testing of the reduction in the maximum air flow with a partially filled dust container analogous to EN 60312, exhibits a reduction in the air flow of less than 15%, preferably less than 10%, particularly preferably less than 5%.

Abstract: The present invention relates to a vacuum cleaner filter bag made of nonwoven fabric which has a joint of the nonwoven fabric layers which seals the bag at the side at least at one place. At at least one place of the edge, a spacing means, which is configured by a double weld seam or reinforcing elements which are fitted in this region, is thereby included. A characterising feature of the vacuum cleaner filter bag according to the present invention is an increased three-point bending strength.

Abstract: The invention provides a vacuum cleaner filter bag comprising a first filter layer and a second filter layer, wherein the first filter layer is arranged upstream of the second filter layer in air flow direction, and wherein the first filter layer has at least 3 and at most 25 individual plies, especially at least 5 and at most 15 individual plies, wherein each individual ply is a dry-laid nonwoven having a basis weight of 5 g/m2 to 50 g/m2, especially having a basis weight of 8 g/m2 to 30 g/m2.

Abstract: The invention relates to a retaining plate for a vacuum-cleaner filter bag comprising a through-passage opening and a closure flap for closing the through-passage opening, wherein the closure flap comprises a first region comprising a first material of a first hardness and a second region comprising a second material of a second hardness, wherein the second hardness is at a lower level than the first hardness, wherein the second region is arranged, at least in part, on the periphery of the closure flap, and wherein the second material, at least in part, has a thickness of less than 1 mm.

Abstract: The Invention relates to a vacuum cleaner filter bag comprising a bag wall, wherein the bag wall comprises precisely one nonwoven layer in the form of a melt-spur microfibrous nonwoven layer.