EP3900852A1 - Véhicule pour l'aspiration de poussière et/ou de résidus d'usinage et système d'aspiration comprenant un tel véhicule - Google Patents

Véhicule pour l'aspiration de poussière et/ou de résidus d'usinage et système d'aspiration comprenant un tel véhicule Download PDF

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Publication number
EP3900852A1
EP3900852A1 EP21167864.4A EP21167864A EP3900852A1 EP 3900852 A1 EP3900852 A1 EP 3900852A1 EP 21167864 A EP21167864 A EP 21167864A EP 3900852 A1 EP3900852 A1 EP 3900852A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
aspiration
support plane
control unit
movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21167864.4A
Other languages
German (de)
English (en)
Inventor
Andrea Berton
Davide CINI
Marco Paterni
Fabrizio Vicini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pegasuslab Srl
Consiglio Nazionale delle Richerche CNR
Original Assignee
Pegasuslab Srl
Consiglio Nazionale delle Richerche CNR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pegasuslab Srl, Consiglio Nazionale delle Richerche CNR filed Critical Pegasuslab Srl
Publication of EP3900852A1 publication Critical patent/EP3900852A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings

Definitions

  • the present invention relates to a vehicle for the aspiration of dust and/or machining residues and a corresponding system comprising such a vehicle, in accordance with the preamble of claims 1 and 11, respectively.
  • the vehicle and the system are particularly used, for example, in the industrial production and processing of paper.
  • an operator removes deposits by means of hand brushes and subsequently aspirates them by means of the systems provided with the industrial plant such as centralized aspirator systems, cart aspiration systems and movable sweepers.
  • the prior art requires blowing the inaccessible parts with compressed air and the subsequent aspiration of the deposits by means of the systems provided with the industrial plant.
  • document EP1075816A2 shows a vehicle comprising a first side, which can face a walking surface, an aspiration mouth arranged at said first side and elements vertically movable between a retracted position and an extended one by virtue of preloaded springs. Such movable elements are arranged at said first side and delimit the aspiration mouth.
  • document DE102015100392A1 shows a vehicle comprising a first side, which can face a walking surface, and an aspiration mouth arranged on said first side and having a surface extension slightly smaller than the surface extension of the first side.
  • the aspirators of the prior art do not allow the aspiration, with due accuracy, of cellulose dust which has dimensions equal to those of fine particulates, i.e., of a few micrometres in diameter.
  • the cleaning must be carried out after stopping the production or processing lines, with consequent productivity losses.
  • every six months the production or processing lines of industrial plants are shut down to carry out a thorough cleaning of the deposit accumulation areas, which are difficult to access from the outside.
  • the cleaning of the prior art is therefore expensive in terms of loss of revenues due to the scheduled machine shutdown for the extraordinary maintenance of the industrial plant.
  • the technical task underlying the present invention is to provide a vehicle for the aspiration of dust and/or machining residues and a system comprising such a vehicle which overcome the drawbacks of the prior art.
  • an object of the present invention is to provide a vehicle for aspiration which allows to effectively remove all the deposits of dust and/or machining residues, even in the most hard-to-reach areas. It is therefore an object of the present invention to propose a vehicle for aspiration which also allows to remove the dust with dimensions in the order of micrometres.
  • number 1 indicates a vehicle 1 for the aspiration of dust and/or machining residues on a support plane.
  • a support plane means both a walking surface along which operators move and on which machinery is arranged, and a floor of a false ceiling of an industrial facility. In fact, dust and/or machining residues tend to accumulate both on the floor and ceiling surfaces.
  • the vehicle 1 comprises a body 2 having a predetermined width "L", length "1" and height "h". Such a height "h" is less than the width L and/or the length 1.
  • the overall dimensions of the vehicle namely the height h, the width L and the length 1 can be significantly reduced without compromising the aspiration power of the vehicle 1.
  • the vehicle 2 having a height "h" less than the width L and/or length 1, the vehicle 2 is capable of reaching narrow spaces, hard to reach by an operator, being substantially wider/longer than it is high.
  • the body 2 could have a square shape and thus coincident length and width dimensions or a circular shape and in this case inscribable in a square of predefined length/width.
  • the body 2 has a parallelepiped shape and in an embodiment the width "L” is 440 mm, the length “1” is 360 mm, while the height “h” is 140 mm.
  • the body 2 identifies a first 21 and a second side 22 connected to each other by a side wall 23 of height "h".
  • the first side 21 faces the support plane, when the vehicle 2 is placed on the support plane, and the second side 22 is opposite to said first side 21.
  • the first side 21 and the second side 22 are opposite to each other along a longitudinal direction X-X. Except when the vehicle 1 overcomes any obstacles along the support plane, the longitudinal direction X-X is substantially perpendicular to the support plane.
  • the side wall 23 has a front portion 231 and an opposite rear portion 232 along a transverse direction Y-Y substantially perpendicular to the longitudinal direction X-X.
  • the body 2 comprises an outlet fitting 24 and an aspiration mouth 25 placed at the first side 21 in fluid continuity with the outlet fitting 24.
  • the body 2 comprises a connection duct 26 between the outlet fitting 24 and the aspiration mouth 25.
  • the outlet fitting 24 is placed at the side wall 23. More preferably, the outlet fitting 24 is placed at the rear portion 232 of the side wall 23.
  • the aspiration mouth 25 has a circular shape (as illustrated in the figures) but could also have the shape of a circumferential arc.
  • the aspiration mouth 25 is embodied as a notch of the first side 21 so as to allow the passage therethrough of dust and/or machining residues.
  • the outlet fitting 24 is connectable in fluid continuity to a remote aspiration plant with respect to the vehicle 1.
  • such an aspiration plant is a centralized aspiration plant of an industrial facility.
  • such an aspiration plant is a movable system provided with the industrial facility.
  • the outlet fitting 24 When the outlet fitting 24 is connected to the aspiration plant and such an aspiration plant is operated, the deposits of dust and/or machining residues, present on the support plane, are aspirated through the aspiration mouth 25 and reach the aspiration plant by passing through the connection duct 26 and the outlet fitting 24.
  • the vehicle 1 is therefore not provided with an on-board aspiration and/or storage and/or filtration plant, i.e., integrated in the same vehicle 1, but exploits a remote aspiration plant with respect to the vehicle 1.
  • the surface extension of the aspiration mouth 25 is less than 50% of the surface extension of the first side 21. More preferably, the ratio of the surface extension of the aspiration mouth 25 to the surface extension of the first side 21 is one-ninth. Such a specific size of the surface extension of the aspiration mouth 25 ensures a higher aspiration efficiency with respect to the known configurations.
  • the vehicle 1 comprises actuating means (not illustrated in the attached figures) configured to move the connection duct 26 along the circumferential arc so as to pass from one side to the other of the body 2 of the vehicle so as to improve the aspiration action through said aspiration mouth 25.
  • the vehicle 1 comprises movement means configured to allow the movement of the body 2 along the support plane.
  • the vehicle 1 comprises a perimeter skirt 4 delimiting the first side 21 of the body 2 and configured to define a pressure-controlled environment between the first side 21 and the support plane when the body 2 is placed on the support plane.
  • Such a pressure-controlled environment allows to increase the aspiration efficiency, i.e., the speed of the air flow to the aspiration mouth 25, allowing a homogeneous aspiration, not only at the aspiration mouth 25, but substantially at the entire first side 21, i.e., at the projection on the support plane of the shape of the vehicle 1 delimited by the perimeter skirt 4.
  • the perimeter skirt 4 is positioned at the side wall 23 of the body 2 and is protruding towards the first side 21.
  • the perimeter skirt 4 delimits the shape of the body 2 and extends from the body of the vehicle 2 up to near the support plane.
  • the perimeter skirt 4 surrounds the first side 21 externally and extends along the longitudinal direction X-X between an upper end 42 and an opposite lower end 43.
  • the skirt 4 has a height h' which is less than the height h of the vehicle 2 and a thickness "s" less than the height h'.
  • the shape of the perimeter skirt 4 can be, for example, similar to that of a solid at right angles but other types such as forms of solids of revolution can also be hypothesized.
  • the perimeter skirt 4 is obtained in a parallelepiped for each side wall 23 of height h', of length equal to the length/width of the vehicle 2 and of thickness smaller than both the height h' and the length/width of the vehicle 2.
  • the perimeter skirt 4 has a small interruption at the outlet fitting 24. Such an interruption allows the connection of the outlet fitting 24 to an aspiration plant. It should be noted that such a small interruption of the perimeter skirt 4 has little if any influence on the definition of the pressure-controlled environment.
  • the perimeter skirt 4 can have a wedge shape at the front portion 231 of the side wall 23.
  • a wedge shape it is possible to reach areas of the support plane shaped, for example, like an edge.
  • the vehicle 1 comprises at least one actuator 41 to allow a movement of the perimeter skirt 4 with respect to the support plane, so as to move the perimeter skirt 4 between a retracted position and an extended position.
  • the vehicle 1 comprises a plurality of actuators 41, each used to move a respective portion of the perimeter skirt 4.
  • the distance of the perimeter skirt 4 increases from the extended position to the retracted position. In the retracted position, the perimeter skirt 4 is at the maximum distance from the support plane, while in the extended position, the perimeter skirt 4 is at the minimum distance from the support plane. In the extended position, the perimeter skirt 4 therefore defines a substantially closed environment between the first side 21 and the support plane.
  • the movement means allow the movement of the body 2 of the vehicle 1 along the support plane.
  • the actuator 41 allows the perimeter skirt to also assume a series of intermediate positions between the retracted position and the extended position, each characterized by a different distance of the perimeter skirt 4 from the support plane.
  • adjusting the distance of the perimeter skirt 4 from the support plane allows the movement means of the vehicle 1 to overcome any small obstacles or roughness along the support plane such as small steps and discontinuities of the support plane.
  • the actuator 41 allows to move the perimeter skirt 4 towards positions with greater distance from the support plane.
  • the adjustment of the distance of the perimeter skirt 4 from the support plane allows to adjust the pressure and therefore the aspiration action through the aspiration mouth 25.
  • the smaller the distance of the perimeter skirt 4 from the support plane the greater the aspiration action through the aspiration mouth 24, i.e., the aspiration is maximum when the perimeter skirt 4 is in an extended position and decreases as the intermediate position assumed by the perimeter skirt 4 is characterized by a gradually greater distance from the support plane.
  • the upper end 42 of the perimeter skirt 4 is connected to the side wall 23 by means of the actuator 41.
  • the actuator 41 then causes the movement of the upper end 42 of the perimeter skirt 4 along the longitudinal direction X-X and, consequently, the translation of the lower end 43 of the perimeter skirt 4 along the same longitudinal direction X-X.
  • the actuator 41 By translating the upper end 42 of the perimeter skirt 4, the distance of the perimeter skirt 4 from the support plane is selectively adjusted.
  • the vehicle 1 comprises at least one actuator 41 to allow a movement of the body 2 (and therefore of the perimeter skirt 4 associated therewith) with respect to the support plane so as to move the body 2 between a retracted position and an extended position.
  • the distance of the body 2 increases from the extended position to the retracted position. In the retracted position, the body 2 is at the maximum distance from the support plane, while in the extended position, the body 2 is at the minimum distance from the support plane.
  • the perimeter skirt 4 is kept fixed, while the movement of the body 2 with respect to the support plane is allowed.
  • adjusting the distance of the body 2 from the support plane allows the vehicle 1 to overcome any obstacles along the support plane and adjusts the aspiration action through the aspiration mouth 24. Also in the second embodiment, the smaller the distance of the body 2 from the support plane, the greater the aspiration action.
  • the movement means are of the omnidirectional type for the omnidirectional movement of the body 2 along the support plane.
  • the omnidirectional movement of the vehicle 1 facilitates the approach of the vehicle 1 to the machinery present in the industrial plant.
  • the omnidirectional movement means are a plurality of wheels 31 for the omnidirectional movement of the body 2 along the support plane or are tracks.
  • movement means 31 are implemented with wheels, they are, for example, “mecanum” or “omniwheel' type wheels.
  • the movement means 31 further comprise one (or more) drive motors (not shown in the accompanying figures).
  • the perimeter skirt 4 also surrounds the movement means. Consequently, the movement means 31 do not affect the spatial dimensions of the vehicle 1, allowing the vehicle 1 to approach a machine of the industrial plant, bringing the perimeter skirt 4 substantially into contact with a wall of such machinery. The vehicle 1 is then able to aspirate the deposits of dust and/or machining residues which are located near the machinery itself.
  • the movement means 31 are inserted at least in part in the height h of the body 2 of the vehicle 1. As a result, the height "h" of the vehicle 1 is considerably reduced.
  • the vehicle 1 comprises a control unit (not shown) in signal communication with the movement means 31.
  • the control unit is configured to control the movement means automatically or autonomously.
  • control unit is also in signal communication with the actuators 41.
  • the control unit is configured to also control the actuators 41 automatically or autonomously.
  • a preset vehicle movement program 1 is stored in a memory of the control unit.
  • a preset program for example, comprises a sequence of movements of the vehicle 1 which take into account the planimetry of the support plane, that is, the arrangement of the rooms and of the machinery.
  • the control unit then controls the movement means and actuators 41 following such a preset program.
  • the vehicle 1 comprises a plurality of environment sensors (such as, for example, optoelectronic devices 5) placed in signal communication with the control unit.
  • environment sensors are configured to detect information about the environment surrounding the vehicle 1 and to send such information to the control unit.
  • a control unit is then configured to control the movement means and actuators 41 on the basis of such information detected by the environment sensors.
  • the vehicle 1 is also remotely controllable.
  • the control unit in the event of remote control, is in signal communication with a remote control device (not illustrated) with respect to the vehicle 1 and, always, with the movement means 31.
  • the vehicle 1 is connectable to the control device via an ethernet cable which exploits Power Over Ethernet (POE) technology.
  • POE technology allows to transmit the signals exchanged between the control unit and the control device along the ethernet cable, i.e., it allows to put the control unit and the control device in signal communication, and at the same time it allows to transmit the power necessary for the control unit, the movement means and the actuators 41 along the ethernet cable.
  • the POE technology allows to reduce the number of cables and the necessary connections in a high-risk environment such as that of industrial facilities.
  • the vehicle 1 lacks energy storage batteries since the power supply is provided through the ethernet cable which exploits POE technology.
  • the vehicle 1 control unit is configured to control the movement means based on a control signal coming from the remote control device.
  • the control unit is configured to control the actuators 41 of the perimeter skirt 4 on the basis of the same control signal.
  • the vehicle 1 comprises at least one optoelectronic imaging device 5 in signal communication with the control unit.
  • an optoelectronic device 5 is a camera.
  • Such at least one optoelectronic imaging device 5 is configured to capture digital images of an environment surrounding the body 2 of the vehicle 1.
  • the vehicle 1 comprises a plurality of optoelectronic devices 5 arranged at the side wall 23 of the body 2, so as to capture digital images all around the vehicle 1.
  • the optoelectronic device 5 is preferably configured to send such digital images to the control unit of the vehicle 1, where the control unit is configured to send the digital images to a remote video surveillance unit, or in an alternative embodiment the optoelectronic device 5 is directly in signal communication with the remote video surveillance unit.
  • Such a remote video surveillance unit is placed in signal communication with the control unit and/or with the optoelectronic device(s) 5 by means of the aforementioned ethernet cable.
  • the digital images received by the video surveillance unit are used as an aid for the movement of the vehicle 1 and/or to identify the morphology of the places which need cleaning and/or which still need to be cleaned.
  • the digital images may be used by the control unit in combination with the information detected by the other environment sensors to control the movement means and actuators 41.
  • the present description also relates to a system for the aspiration of dust and/or machining residues along a support plane.
  • This system comprises the vehicle 1 in accordance with any of the previously described embodiments thereof.
  • Such a system also comprises an aspiration plant (not shown) comprising an aspiration unit provided with all the devices necessary for the aspiration, filtration and storage of the aspirated residues.
  • the aspiration plant is a centralized plant or alternatively a movable plant.
  • the system does not require a complex installation, since the vehicle 1 can interact with the pre-existing aspiration plant of the industrial facility.
  • the aspiration plant is known to the person skilled in the art and for this reason will not be described further.
  • the system comprises an aspiration duct 6 connected in fluid continuity at a first end 61 thereof to the aspiration unit and at a second end 62 thereof to the outlet fitting 24 of the body 2.
  • said aspiration duct 6 is deformable to facilitate the movement thereof when connected to the vehicle 1.
  • the aspiration unit is configured to generate a negative pressure inside the aspiration duct 6 so as to aspirate dust and/or machining residues through the aspiration mouth 25 of the vehicle 1.
  • the negative pressure created by the aspiration motor is transmitted along the aspiration duct 6, reaching the aspiration mouth 25.
  • the vehicle 1 is free of filters and/or containers intended to accumulate dust or aspirated residues, since all the filtering and containment functions of the aspirated residues are delegated to the centralized system. This allows to avoid expensive maintenance operations on each individual vehicle as well as to include spare parts in stock for each individual vehicle.
  • the system comprises the aforementioned remote control device in signal communication with the control unit of the vehicle 1.
  • a remote control device is a computer such as a fixed or portable computer.
  • the system comprises the aforementioned ethernet cable which exploits POE technology.
  • an ethernet cable communicates a signal between the control unit of the vehicle 1 and the control device and, at the same time, allows the transmission of power to the control unit, the movement means and the actuators 41.
  • an ethernet cable is associated with the aspiration duct 6.
  • the remote control device is configured to send a command signal to the control unit so that the control unit controls the movement means of the vehicle 1 based on the control signal.
  • the control signal controls the movement of the vehicle 1 along the support plane.
  • control unit By means of the control signal, the control unit also controls the actuators 41 of the perimeter skirt 4, in order to overcome any obstacles on the support plane and/or adjust the aspiration action, as previously described.
  • a single control device can control a plurality of vehicles 1 to simultaneously clean a plurality of areas of the industrial facility.
  • the system comprises a plurality of vehicles 1 and the control unit of each vehicle 1 is in signal communication with the control device.
  • the system comprises the aforementioned remote video surveillance unit in signal communication with the control unit of the vehicle 1 and at least one monitor in signal communication with the video surveillance unit.
  • the video surveillance unit is placed in signal communication with the control unit by means of the ethernet cable.
  • the video surveillance system is configured to receive digital images from the control unit of the vehicle 1 and to reproduce such digital images on the monitor.
  • the digital images recorded by the optoelectronic device 5 of the vehicle 1 may be viewed on the monitor by an operator, to control, for example, the position of the vehicle 1 in the industrial facility and the morphology of the cleaned places.
  • the video surveillance system is in signal communication with the remote control device.
  • the video surveillance system is integrated with the control device.
  • the video surveillance system is configured to process the digital images received by the control unit of the vehicle 1 and to generate a video processing signal.
  • a video processing signal is the result of processing the digital images.
  • the video processing signal takes into account the morphology of the environment surrounding the vehicle 1, i.e., the presence of any obstacles along the support plane and whether there are clean areas and/or areas with dust deposits and/or machining residues around the vehicle 1.
  • the video surveillance system is also configured to send the video processing signal to the remote control device.
  • the remote control device is instead configured to generate the control signal based on said video processing signal.
  • the vehicle 1 can be moved remotely automatically, i.e., without the aid of an operator, based on the morphology of the environment surrounding the vehicle 1. Such a vehicle 1 is then diverted to the areas of the support plane with deposits of dust and/or machining residues. At the same time, the vehicle 1, by virtue of the processing carried out by the remote video surveillance unit, can automatically overcome any obstacles on the support plane.
  • an operator viewing the digital images on the monitor can send the control signal to the vehicle 1 control unit himself.
  • the system also comprises a cart 7 for supporting the control device, the video surveillance system and the monitor. At the same time, such a cart 7 also allows the transport of the vehicle 1 and the aspiration duct 6 when the vehicle 1 is not in action.
  • the cart 7 comprises an upper support plane 71 and a lower support plane 72.
  • the upper support plane 71 is configured to accommodate the control device, the video surveillance system, and the monitor.
  • the lower support plane 72 is configured to accommodate the vehicle 1 when it is not in action.
  • the cart 7 comprises a hose reel 73 arranged between the upper support plane 71 and the lower support plane 72.
  • Such a hose reel 73 allows the aspiration duct 6 to be wound thereon when the vehicle 1 is not in use and at the same time allows the aspiration duct 6 to be unwound when the vehicle 1 is moved on the support plane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Refuse Collection And Transfer (AREA)
  • Cleaning In General (AREA)
EP21167864.4A 2020-04-23 2021-04-12 Véhicule pour l'aspiration de poussière et/ou de résidus d'usinage et système d'aspiration comprenant un tel véhicule Withdrawn EP3900852A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000008791A IT202000008791A1 (it) 2020-04-23 2020-04-23 Veicolo per l’aspirazione di polvere e/o residui di lavorazione e sistema di aspirazione comprendente detto veicolo

Publications (1)

Publication Number Publication Date
EP3900852A1 true EP3900852A1 (fr) 2021-10-27

Family

ID=71575590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21167864.4A Withdrawn EP3900852A1 (fr) 2020-04-23 2021-04-12 Véhicule pour l'aspiration de poussière et/ou de résidus d'usinage et système d'aspiration comprenant un tel véhicule

Country Status (2)

Country Link
EP (1) EP3900852A1 (fr)
IT (1) IT202000008791A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189593A (en) * 1986-04-26 1987-10-28 Phillips James Harold Dust extraction device
DE29702596U1 (de) * 1997-02-14 1997-04-03 Techno Finish Gmbh Staubsaugerdüse mit Ausgleichselement
EP1075816A2 (fr) 1999-08-12 2001-02-14 Wessel-Werk Gmbh Accessoire de brossage pour nettoyer les surfaces de sol
US6381801B1 (en) * 2000-05-10 2002-05-07 Clean Up America, Inc. Self-propelled brushless surface cleaner with reclamation
US20130056032A1 (en) * 2011-09-07 2013-03-07 Suuk Choe Robot cleaner, and system and method for remotely controlling the same
US20150128998A1 (en) * 2013-11-12 2015-05-14 Inter-Source Recovery Systems Pneumatic chip collector
DE102015100392A1 (de) 2015-01-13 2016-07-14 Vorwerk & Co. Interholding Gmbh Saugdüse

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189593A (en) * 1986-04-26 1987-10-28 Phillips James Harold Dust extraction device
DE29702596U1 (de) * 1997-02-14 1997-04-03 Techno Finish Gmbh Staubsaugerdüse mit Ausgleichselement
EP1075816A2 (fr) 1999-08-12 2001-02-14 Wessel-Werk Gmbh Accessoire de brossage pour nettoyer les surfaces de sol
US6381801B1 (en) * 2000-05-10 2002-05-07 Clean Up America, Inc. Self-propelled brushless surface cleaner with reclamation
US20130056032A1 (en) * 2011-09-07 2013-03-07 Suuk Choe Robot cleaner, and system and method for remotely controlling the same
US20150128998A1 (en) * 2013-11-12 2015-05-14 Inter-Source Recovery Systems Pneumatic chip collector
DE102015100392A1 (de) 2015-01-13 2016-07-14 Vorwerk & Co. Interholding Gmbh Saugdüse

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