System for a linear drive

• US 8,373,531 B2
• Filed: 01/24/2012
• Issued: 02/12/2013
• Est. Priority Date: 12/19/2003
• Status: Active Grant

• Current Assignee: Sew-Eurodrive GmbH & Company KG (BV Beteiligung GmbH & Company KG)
• Original Assignee: Sew-Eurodrive GmbH & Company KG (BV Beteiligung GmbH & Company KG)
• Inventors: Simon, Olaf, Mahlein, Jochen, Schmidt, Josef
• Primary Examiner(s): NGUYEN, TUYEN T
• Application Number:
  US13/357,107
• Publication Number:
  US 20120119691A1
• Time in Patent Office: 385 Days
• Field of Search: 336/121, 336130-136, 307/1, 307/17, 307/19, 307/104
• US Class Current: 336/130
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/402 the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas

Abstract

A system, whereby drive units on a movable part, e.g., a turntable or linear drive, are powered in a contactless manner via, in each instance, an inductive coupling to one or more primary conductors.

Claims

1. A system, comprising:

a device powered in a contactless manner by an inductive coupling to at least one primary conductor;

wherein the at least one primary conductor is removably fixed to the device, the at least one primary conductor being provided in at least one of (a) an indentation and (b) a cable duct of the device.

2. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire.

3. The system according to claim 1, wherein the primary conductor is arranged as a closed loop.

4. The system according to claim 1, wherein the device includes an electric motor and an electronic circuit adapted to power the electric motor, the device powered inductively.

5. The system according to claim 1, wherein the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable.

6. The system according to claim 5, wherein the secondary winding is wound around at least one of (a) a U-shaped and (b) an E-shaped core.

7. The system according to claim 1, wherein the primary conductor is at least one of (a) partially encapsulated and (b) protected by a cover.

8. The system according to claim 1, wherein the device is arranged at least one of (a) impervious, (b) smooth on an outer surface, (c) to provide a high degree of protection and (d) for use in at least one of (a) wet areas and (b) aseptic areas.

9. The system according to claim 1, wherein the device does not include a plug-and-socket connector or other electrical connection terminals on its exterior.

10. The system according to claim 1, wherein the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

11. The system according to claim 1, further comprising:

at least one of (a) a clip and (b) a cover configured to fix the at least one primary conductor in the at least one of (a) the indentation and (b) the cable duct of the device.

12. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, and the primary conductor is arranged as a closed loop.

13. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, and the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable.

14. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the device includes an electric motor and an electronic circuit adapted to power the electric motor, the device powered inductively, and the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable.

15. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, and the primary conductor is at least one of (a) partially encapsulated and (b) protected by a cover.

16. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, and the device is arranged at least one of (a) impervious, (b) smooth on an outer surface, (c) to provide a high degree of protection and (d) for use in at least one of (a) wet areas and (b) aseptic areas.

17. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, and the device is arranged at least one of (a) impervious, (b) smooth on an outer surface, (c) to provide a high degree of protection and (d) for use in at least one of (a) wet areas and (b) aseptic areas.

18. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, and the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

19. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, and the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

20. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is arranged as a closed loop, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, and the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

21. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, the primary conductor is at least one of (a) partially encapsulated and (b) protected by a cover, and the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

22. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, the device is arranged at least one of (a) impervious, (b) smooth on an outer surface, (c) to provide a high degree of protection and (d) for use in at least one of (a) wet areas and (b) aseptic areas, and the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

23. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, the primary conductor is at least one of (a) partially encapsulated and (b) protected by a cover, the device is arranged at least one of (a) impervious, (b) smooth on an outer surface, (c) to provide a high degree of protection and (d) for use in at least one of (a) wet areas and (b) aseptic areas, and the device is arranged such that information is transmittable by modulating higher-frequency signals onto the primary conductor.

24. The system according to claim 1, wherein at least one of (a) the primary conductor is supplied with energy in a contactless manner by stationary coil cores including at least one coil winding and (b) the primary conductor is supplied with energy by a loop wire, the primary conductor is provided on the device such that the inductive coupling to a secondary winding included in the device is providable, and the device does not include a plug-and-socket connector or other electrical connection terminals on its exterior.