Hinged magnetic mover for a magnetic levitation conveyor

Patent metadata

Field	Value
Publication number	US-12371280-B2
Application number	US-202218270612-A
Country	US
Kind code	B2
Filing date	Feb 7, 2022
Priority date	Feb 18, 2021
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

A hinged magnetic mover for conveying product comprises a plurality of hingedly connected modules including magnets. The magnets form an array of X magnets alternating with Y magnets. A carryway for the hinged magnetic mover forms a stator comprising XY coils with Hall sensors for interacting with the magnets to induce a motive force on the mover.

First claim

What is claimed is:

1. A module for a forming a magnetic mover in a magnetic levitation system, comprising:
a body extending in width from a first side edge to a second side edge, in height from a product conveying surface to an opposite bottom surface and in length from a first end to a second end, wherein the first side edge and the second side edge extend below the bottom surface to form a recessed area between the first side edge and the second side edge on the bottom surface;
a first set of hinge elements extending from the first end; and
an array of magnets coupled to the bottom surface for generating a motive force on the magnetic mover.

2. The module of claim 1 , wherein the first end has a concave shape.

3. The module of claim 2 , wherein the second end has a convex shape complementary to the first end.

4. The module of claim 3 , further comprising a second set of hinge elements extending from the second end.

5. The module of claim 1 , wherein the array of magnets comprises a row of Y magnets alternating with X magnets.

6. The module of claim 1 , wherein the second end extends below the bottom surface to define an end of the recessed area.

7. The module of claim 6 , wherein the second end forms a castellated edge on the bottom surface for seating the array of magnets.

8. The module of claim 1 , wherein the array of magnets comprises a first set of magnets for translating the magnetic mover and a second set of magnets for levitating the magnetic mover.

9. A mover for conveying objects, comprising:
a first end module comprising a body extending in width from a first side to a second side, in height from a product conveying surface to an opposite bottom surface and in length from a first end to a second end, the first end module further comprising a first set of hinge elements extending from the first end;
an interior module comprising a body extending in width from a first side to a second side, in height from a product conveying surface to an opposite bottom surface and in length from a first end to a second end, the interior module further comprising a second set of hinge elements extending from the first end for mating with the first set of hinge elements and a third set of hinge elements extending from the second end;
a second end module comprising a body extending in width from a first side to a second side, in height from a product conveying surface to an opposite bottom surface and in length from a first end to a second end, the second end module further comprising a fourth set of hinge elements extending from the first end for mating with a set of hinge elements on an interior module; and
an array of magnets coupled to the bottom surfaces of the modules.

10. The mover of claim 9 , wherein the array of magnets comprises a first set of magnets for translating the magnetic mover and a second set of magnets for levitating the magnetic mover.

11. The mover of claim 9 , further comprising a plurality of hinge rods inserted through the hinge elements to connect the modules.

12. The mover of claim 9 , wherein the bottom surfaces of the modules are recessed from the sides forming edges of the modules.

13. A mover for conveying objects, comprising:
a plurality of hingedly connected modules forming a four-sided rectangular prism having a first edge, a second edge, a third edge and a fourth edge, each module extending in width from a first side to a second side, in thickness from a product-carrying surface to an opposite bottom surface and in length from a first end to a second end; and
an array of magnets coupled to the bottom surface of the modules, wherein the first edge, second edge, third edge and fourth edge extend below the bottom surface to form a recessed area for housing the magnets.

14. The mover of claim 13 , wherein the array of magnets comprises a row of X magnets alternating with Y magnets coupled to the bottom surface of each module.

15. A conveying system, comprising:
a stator carryway comprising XY coils with Hall sensors encapsulated in plastic; and
a mover comprising a plurality of hingedly connected modules and an array of magnets coupled to a bottom surface of the mover for interacting with the XY coils.

16. The conveying system of claim 15 , wherein the stator includes first section at a first elevation and a second section at a lower elevation, the second section filled with a liquid, through which the mover can move.

17. The conveying system of claim 16 , further comprising a scrubbing brush for cleaning the mover in the second section.

18. The conveying system of claim 15 , wherein the stator includes a curved section, about which the mover can articulate.

19. The conveying system of claim 15 , wherein the array of magnets comprises a row of X magnets alternating with Y magnets coupled to the bottom surface of each module of the mover.

Assignees

• Laitram Llc

Inventors

• Fourney Matthew L
• Ragan Bryant G

Classifications

• B65G17/46

  Means for holding or retaining the loads in fixed position on the load-carriers, e.g. magnetic · CPC title

• B65G17/06

  having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms · CPC title

• B65G45/22

  comprising fluid applying means · CPC title

• B65G45/18

  comprising brushes · CPC title

• B65G47/66

  Fixed platforms or combs, e.g. bridges between conveyors · CPC title