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One-step processing of magnet arrays

A technology for magnetizing arrays and magnets, applied in electromagnets, magnetic objects, magnetic core manufacturing, etc., can solve the problems of increasing cost and complexity

Pending Publication Date: 2020-11-17
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Complex processing steps for layout and material waste due to cutting can add to the cost and complexity of using such arrays

Method used

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  • One-step processing of magnet arrays
  • One-step processing of magnet arrays
  • One-step processing of magnet arrays

Examples

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Embodiment Construction

[0017] As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0018] Furthermore, unless expressly indicated otherwise, all numerical quantities in this disclosure are to be understood as modified by the word "about" when describing the broader scope of the disclosure. Practice within the numerical limits stated is generally preferred. Additionally, descriptions of a group or class of materials that are suitable or preferred for a given purpose w...

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Abstract

The invention provides one-step processing of magnet arrays. A method of forming an annealed magnet includes positioning a magnetizing array ring concentrically with a ring of bulk magnetic material to form an assembly, the magnetizing array ring having a magnetic field defining directions for orienting grains of the ring of bulk magnetic material, placing the assembly in a furnace, and operatingthe furnace to anneal the ring of bulk magnetic material and grow the grains in the directions. A magnetic array assembly includes a furnace; and an assembly including (i) a ring of bulk magnetic material having grains and (ii) a magnetizing array ring concentric with the ring of bulk magnetic material, and having a magnetic field defining directions for orienting the grains during growth thereofin a presence of heat from the furnace.

Description

technical field [0001] The present disclosure relates to structures related to permanent magnets, and more particularly magnetic arrays, and the fabrication of permanent magnets, and more particularly magnetic arrays. Background technique [0002] Permanent magnets are of increasing importance in energy conversion devices. While efforts have traditionally focused on high-performance permanent magnets that rely less on rare and critical materials, some research and development has also focused on improving magnetic circuits to use magnets more efficiently. [0003] Conventionally, materials with high magnetic permeability, such as electrical steel, are combined with permanent magnet materials to adjust the magnitude and distribution of magnetic flux. Alternatively, the magnetic field and its distribution can be modified eg by changing the shape, size or arrangement of the permanent magnets. By arranging permanent magnet pieces with different shapes and magnetization orienta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/02C22F1/16C22F1/18
CPCH01F41/0253C22F1/16C22F1/18C22F1/183C22F1/186H01F41/0273H01F13/003H01F1/057H01F41/0206H01F7/02H01F7/20H01F1/14
Inventor 迈克尔·W·德格纳李万锋弗朗哥·伦纳迪
Owner FORD GLOBAL TECH LLC
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