# US 2018/0020894 A1 · Vacuum Cleaner Robot > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0020894 A1 - Document ID: US20180020894A1 - Status: Published application - Kind: A1 - Application number: 15/544,391 - Filed: 2015-12-11 - Published: 2018-01-25 - Earliest claimed: 2014-01-20 - Assignees: Eurofilters Holding N.V. - Applicants: Eurofilters Holding N.V. - Inventors: Ralf SAUER; Jan SCHULTINK - Web page: https://patentgrep.com/patent/US20180020894A1 ## CPC - A47L 9/0494: {Height adjustment of dust-loosening tools} - A47L 5/22: with rotary fans - A47L 9/009: {Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles} - A47L 9/02: Nozzles (suction nozzles for fluid transport B65G51/00) - A47L 9/0477: {Rolls} - A47L 9/1445: {with closure means} - A47L 9/28: Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means - A47L 9/2821: {Pressure, vacuum level or airflow} - A47L 9/2842: {Suction motors or blowers} - A47L 9/2852: {Elements for displacement of the vacuum cleaner or the accessories therefor, e.g. wheels, casters or nozzles} - A47L 9/2868: {Arrangements for power supply of vacuum cleaners or the accessories thereof} - A47L 9/2873: {Docking units or charging stations (for autonomous or robotic vacuum cleaners A47L2201/02)} - A47L 9/2884: {Details of arrangements of batteries or their installation} - A47L 9/2894: {Details related to signal transmission in suction cleaners} - A47L 2201/00: Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation - A47L 2201/022: Recharging of batteries - A47L 2201/04: Automatic control of the travelling movement; Automatic obstacle detection - A47L 2201/06: Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) ## 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. ## Claims ### Claim 1 A vacuum cleaner robot, comprising a suction device mounted on wheels and a power supply device mounted on wheels, where said suction device comprises a floor nozzle, a dust separator and a motorized fan unit for suctioning an air stream in through said floor nozzle, where said suction device comprises a drive device for driving at least one of said wheels of said suction device, and where said power supply device comprises a drive device for driving at least one of said wheels of said 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. ### Claim 2 (depends on 1) The vacuum cleaner robot according to claim 1, where said motorized fan unit is arranged between said floor nozzle and said dust separator such that an air stream suctioned in through said floor nozzle flows through said motorized fan unit and into said dust separator. ### Claim 3 (depends on 1) The vacuum cleaner robot according to claim 1, where said motorized fan unit is fluidically connected downstream of said dust separator such that an air stream suctioned in through said floor nozzle flows through said dust separator and into said motorized fan unit. ### Claim 4 (depends on 1) The vacuum cleaner robot according to claim 1, where said power supply device comprises a wireless or a wired communication connection to said suction device for exchanging data signals with said suction device. ### Claim 5 (depends on 1) The vacuum cleaner robot according to claim 1, where said motorized fan unit is arranged on and/or above said floor nozzle. ### Claim 6 (depends on 1) The vacuum cleaner robot according to claim 1, where said suction device comprises a housing, where said motorized fan unit is arranged on, at or in said housing or where said dust separator is arranged on, at or in said housing. ### Claim 7 (depends on 1) The vacuum cleaner robot according claim 1, where said dust separator is arranged to be freely accessible from outside. ### Claim 8 (depends on 1) The vacuum cleaner robot according to claim 1, where one of said wheels, several or all wheels of said suction device and/or one of said wheels, several or all wheels of said power supply device are omnidirectional wheels. ### Claim 9 (depends on 1) The vacuum cleaner robot according to claim 1, where said motorized fan unit is configured such that with aperture 8 said motorized fan unit has a volumetric flow of more than 30 l/s at an electrical input power of less than 450 W according to DIN EN 60312-1, with aperture 8 said motorized fan unit has a volumetric flow of more than 25 l/s at an electrical input power of less than 250 W according to DIN EN 60312-1, or with aperture 8 said motorized fan unit has a volumetric flow of more than 10 I/s at an electrical input power of less than 100 W according to DIN EN 60312-1. ### Claim 10 (depends on 1) The vacuum cleaner robot according to claim 1, where said dust separator comprises a vacuum cleaner filter bag. ### Claim 11 (depends on 10) The vacuum cleaner robot according to claim 10, where said vacuum cleaner filter bag comprises a flat bag or a disposable bag or where said bag wall of said vacuum cleaner filter bag comprises one or more layers of a nonwoven or one or more layers of nonwoven fabric. ### Claim 12 (depends on 1) The vacuum cleaner robot according to claim 1, where said motorized fan unit comprises a radial fan. ### Claim 13 (depends on 1) The vacuum cleaner robot according to claim 1, where said floor nozzle comprises no rotating brush. ### Claim 14 (depends on 1) The vacuum cleaner robot according to claim 1, comprising a control device for controlling said suction device or said power supply device. ### Claim 15 (depends on 1) The vacuum cleaner robot according to claim 1, comprising a navigation device for autonomously driving said power supply device or said suction device. ### Claim 16 (depends on 1) The vacuum cleaner robot according to claim 1, where said power supply device or said suction device comprises one or several devices for determining the location. ### Claim 17 (depends on 5) The vacuum cleaner robot according to claim 5, wherein said motorized fan unit is arranged directly on or above said floor nozzle. ### Claim 18 (depends on 10) The vacuum cleaner robot according to claim 10, wherein said vacuum cleaner filter bag comprises a filter area of at most 2000 cm2. ### Claim 19 (depends on 1) The vacuum cleaner robot according to claim 1, comprising a control device for controlling said suction device and said power supply device. ### Claim 20 (depends on 1) The vacuum cleaner robot according to claim 1, where said power supply device and said suction device comprise one or several devices for determining the location.