Transport device for transporting at least one object and/or one person

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

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).

2. 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).

3. The transport device (23) according to claim 1, wherein the drive element (4) is the rolling device (3).

4. The transport device (23) according claim 1, wherein a wheel (2) encloses the rolling device (3).

5. The transport device (23) according to claim 1, wherein the drive magnets (12) and/or the output magnets (15) are implemented as permanent magnets.

6. 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.

7. 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).

8. The transport device (23) according to claim 1, wherein the shielding element (5) comprises two or more metal segments (6).

9. The transport device (23) according to claim 1, wherein the output element (7) is disposed for freely rotating about the axis of rotation (11).

10. The transport device (23) according to claim 1, wherein number of the drive magnets (12) exceeds the number of the output magnets (15).

11. 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.

12. The transport device (23) according to claim 1 wherein the rolling device (3) is connectable to the drive element (4).

13. 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.

14. 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.

15. 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).

16. The transport device (23) according claim 2, wherein a wheel (2) encloses the rolling device (3).

17. The transport device (23) according claim 3, wherein a wheel (2) encloses the rolling device (3).

18. 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.

19. 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.

20. The transport device (23) according to claim 2, wherein that the rolling device (3) can be connected to the drive element (4).

Description

DESCRIPTION OF THE DRAWINGS

(1) Further examples and embodiments of the invention are described in more detail using the drawing.

(2) Shown are:

(3) FIG. 1 the components of the transport device for generating electric current,

(4) FIG. 2 a rolling device having contacts for feeding out electric current to a battery,

(5) FIG. 3 a slip-ring contact for conducting the electric current onward to the battery, and

(6) FIG. 4 the rolling device having a fork for guiding the rolling device.

DETAILED DESCRIPTION

(7) FIG. 1 shows, from right to left, a rubber sheath 1 of a wheel 2 for the transport device 23 (not shown).

(8) The rolling device 3 comprises as components 18 the rubber sheath 1, a drive element 4, and a shielding element 5.

(9) The shielding element 5 comprises two or more metal segments 6.

(10) The rolling device 3 comprises as further components at least one output element 7 and stator windings 8.

(11) FIG. 1 further shows a rim 9 of the rolling device 3.

(12) The reference numeral 10 indicates electrical contacts for feeding out the generated electrical energy.

(13) The reference number 11 indicates an axis of rotation for rotating the drive element 4 and the output element 7.

(14) The drive element 4 comprises drive magnets 12, wherein every drive magnet 12 comprises one north pole 13 and one south pole 14 each.

(15) The output element 7 comprises output magnets 15 each comprising a north pole 16 and a south pole 17.

(16) FIG. 2 shows the wheel 2 and the rolling device 3. The rim 9 is shown radially within the rolling device 3.

(17) The contacts 10 are used for feeding out the electrical energy generated by means of the components 18.

(18) FIG. 3 shows a slip-ring contact 19 for transporting the electrical energy generated by means of the components 18 of the rolling device 3 from the contacts 10 of the rolling device 3 to a battery (not shown).

(19) The reference numerals 20 and 21 indicate electrical lines for transmitting the electric current coming (20) from the rolling device toward the battery (21).

(20) FIG. 4 shows the rolling device 3 according to FIG. 2.

(21) Reference numeral 22 shows a fork by means of which the rolling device 3 and the wheel 2 are attached to the transport device 23.

(22) Reference numeral 24 shows a consumer of electric current (e.g., a mobile phone) for charging with the electric current generated by the components 18 in the region of the rolling device 3.

REFERENCE LIST

(23) 1 Rubber sheath 2 Wheel 3 Rolling device 4 Drive element 5 Shielding element 6 Metal segment 7 Output element 8 Stator winding 9 Rim 10 Contacts 11 Axis of rotation 12 Drive magnet 13 North pole 14 South pole 15 Output magnet 16 North pole 17 South pole 18 Components 19 Slip-ring contact 20 Electrical conductor 21 Electrical conductor 22 Fork 23 Transport device 24 Mobile phone