# US 12,191,750 B2 · Transport device for transporting at least one object and/or one person > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,750 B2 - Document ID: US12191750B2 - Status: Granted - Kind: B2 - Application number: 17/309,904 - Filed: 2019-12-30 - Published: 2022-03-24 - Granted: 2025-01-07 - Earliest claimed: 2018-12-31 - Assignees: Henk B.V. - Applicants: Henk B.V. - Inventors: Filip Popovski; Marko Naseki; Tashko Ritzov; Heiko Poerz - Web page: https://patentgrep.com/patent/US12191750B2 ## CPC - H02K 7/1846: {structurally associated with wheels or associated parts (dynamos arranged in the wheel hub of cycles B62J6/12)} - B60K 7/0007: {the motor being electric} - H02K 1/2733: Annular magnets - H02K 11/0094: {Structural association with other electrical or electronic devices} - H02K 11/0141: {Shields associated with casings, enclosures or brackets} - H02K 13/003: {Structural associations of slip-rings} - H02K 49/102: {Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact (magnetized gearings with physical contact F16H13/12, F16H49/005)} - B60B 27/0015: {for driven wheels} - B60L 53/50: Charging stations characterised by energy-storage or power-generation means - H02K 2213/03: Machines characterised by numerical values, ranges, mathematical expressions or similar information - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60B: VEHICLE WHEELS (making wheels or wheel parts by rolling B21H1/00, by forging, hammering or pressing B21K1/28); CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES ## Abstract A transport device can be moved over a floor in order to transport at least one object and/or one person by means of at least one rolling device (3). A drive element (4) can be rotated at least indirectly using the rolling device (3). The drive element (4) comprises at least two drive magnets (12). An output element (7) is provided which has at least two output magnets (15). The number of drive magnets (12) differs from the number of output magnets (15). At least one non-magnetic shielding element (5) is provided in order to change the orientation of a magnetic field located between the chive element (4) and the output element (7). The output element (7) can be rotated. At least one stator winding (8) is arranged in which the output element (7) can be rotated about an axis of rotation (11) in order to generate electric current. ## Claims ### Claim 1 A transport device (23) for displacing over a floor for transporting at least one object and/or one person by means of at least one rolling device (3), the transport device (23) having: a drive element (4) at least indirectly caused to rotate by the rolling device (3), wherein the drive element (4) comprises at least two drive magnets (12), an output element (7) comprising two or more output magnets (15) wherein the number of drive magnets (12) deviates from the number of output magnets (15), and the output element (7) is rotatable about an axis of rotation (11); at least one non-magnetic shielding element (5) adapted and configured for modifying the alignment of the magnetic field disposed between the drive element (4) and the output element (7), and at least one stator winding (8) disposed adjacent to the output element (7) in a manner such that when the output element (7) rotates about the axis of rotation (11) electric current is generated in the at least one stator winding; and electrical contacts (10) configured for directing the electric current generated in the at least one stator winding (8) to a battery, the battery being configured for providing power to a device (24) other than the transport device (23). ### Claim 2 (depends on 1) The transport device (23) according to claim 1, wherein the drive element (4) and/or the output element (7) and/or the shielding element (5) and/or the stator windings (8) are disposed in the rolling device (3). ### Claim 3 (depends on 1) The transport device (23) according to claim 1, wherein the drive element (4) is the rolling device (3). ### Claim 4 (depends on 1) The transport device (23) according claim 1, wherein a wheel (2) encloses the rolling device (3). ### Claim 5 (depends on 1) The transport device (23) according to claim 1, wherein the drive magnets (12) and/or the output magnets (15) are implemented as permanent magnets. ### Claim 6 (depends on 1) The transport device (23) according to claim 1, wherein the drive element (4) is annular in design and comprises a plurality of drive magnets (12) disposed adjacent to each other. ### Claim 7 (depends on 1) The transport device (23) according to claim 1, wherein the rotational speed of the output element (7) exceeds the rotational speed of the drive element (4). ### Claim 8 (depends on 1) The transport device (23) according to claim 1, wherein the shielding element (5) comprises two or more metal segments (6). ### Claim 9 (depends on 1) The transport device (23) according to claim 1, wherein the output element (7) is disposed for freely rotating about the axis of rotation (11). ### Claim 10 (depends on 1) The transport device (23) according to claim 1, wherein number of the drive magnets (12) exceeds the number of the output magnets (15). ### Claim 11 (depends on 1) The transport device (23) according to claim 1, wherein the drive element (4) and/or the output element (7) and/or the shielding element (5) and/or the stator windings (8) are disposed without contacting each other. ### Claim 12 (depends on 1) The transport device (23) according to claim 1 wherein the rolling device (3) is connectable to the drive element (4). ### Claim 13 (depends on 1) The transport device (23) according to claim 1, wherein the battery is removable from the transport device (23) and configured for use as a portable power supply. ### Claim 14 (depends on 1) The transport device (23) according to claim 1 further comprising a slip-ring contact (19), the slip ring contact (19) being and adapted and configured to transmit electric current to the battery. ### Claim 15 (depends on 1) A method for generating an electric current by means of the transport device (23) according to claim 1, the method comprising: displacing the rolling device (3) over the floor in a manner so as to at least indirectly cause the drive element (4) to rotate and generate the magnetic field with the at least one non-magnetic shielding element (5) altering the alignment of a magnetic field disposed between the drive element (4) and the output element (7), and rotating the output element (7), generating electric current in the at least one stator winding (8); directing the electric current generated in the at least one stator winding (8) to a battery; and with the battery, supplying power to a device (24) other than the transport device (23). ### Claim 16 (depends on 2) The transport device (23) according claim 2, wherein a wheel (2) encloses the rolling device (3). ### Claim 17 (depends on 3) The transport device (23) according claim 3, wherein a wheel (2) encloses the rolling device (3). ### Claim 18 (depends on 2) The transport device (23) according to claim 2, wherein the drive element (4) is annular in design and comprises a plurality of drive magnets (12) disposed adjacent to each other. ### Claim 19 (depends on 2) The transport device (23) according to claim 2, wherein that the drive element (4) and/or the output element (7) and/or the shielding element (5) and/or the stator windings (8) are disposed without contacting each other. ### Claim 20 (depends on 2) The transport device (23) according to claim 2, wherein that the rolling device (3) can be connected to the drive element (4).