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US 12,603,561 B2Granted
Electromagnetic Halbach array, devices, and methods
OwnerRoberto Sanchez Catalaninventor
Life of this patent
Estimating the term…
Abstract
Halbach array of magnetically isotropic electromagnets, comprised of loosely-wound, spring-like nested electromagnetic coils, wound and arranged in close proximity in Halbach array sequence, encased in various combinations of powered magnetic metal composite and binder, formed, wired, and assembled to serve as a stator and/or rotor of an electric motor or generator.
Claims18
An electromagnet comprising,
- a) a magnetically isotropic material,
- b) either an electromagnetic coil or an electromagnetic coil having a plurality of nested turns,
- c) wherein either said electromagnetic coil or said electromagnetic coil having a plurality of nested turns having open pitch spaces or apertures for the passage and or retention of said magnetically isotropic material,
- d) further wherein either said electromagnetic coil or said electromagnetic coil having a plurality of nested turns having said open pitch spaces or apertures embedded or encased in said magnetically isotropic material,
- e) wherein said electromagnet producing a magnetic field when energized,
- f) whereby said electromagnet is configured to accept polar magnetic flux from adjacent electromagnets, said adjacent electromagnets laterally abutting said electromagnet, and
- g) wherein said adjacent electromagnets fulfill the conditions according to clauses a)-e).
4 more elements
A method for creating a Halbach-effect capable electromagnet comprising,
- winding either an electromagnetic coil or an electromagnetic coil having a plurality of nested turns with a helical, spring-like, or wave-like pitch either continuously or as joined segments,
- leaving open pitch spaces or apertures in either said electromagnetic coil or said electromagnetic coil having a plurality of nested turns, to enable the passage and or retention of magnetically isotropic material,
- encasing or embedding either said electromagnetic coil or said electromagnetic coil having a plurality of nested turns having said open pitch spaces or apertures in said magnetically isotropic material.
An electromagnetic Halbach array comprising,
- a magnetic composite, said magnetic composite comprised of magnetically isotropic material,
- a plurality of electromagnetic coils, each said electromagnetic coil comprising,
- either an electromagnetic coil or an electromagnetic coil having a plurality of nested turns,
- wherein either said electromagnetic coil or said electromagnetic coil having a plurality of nested turns having predetermined clockwise or counter-clockwise winding and wire ends,
- further wherein either said electromagnetic coil or said electromagnetic coil having a plurality of nested turns having open pitch spaces or apertures for passage and or retention of said magnetic composite,
- each said electromagnetic coil of said plurality of electromagnetic coils arranged according to a Halbach sequence with appropriate clockwise or counter-clockwise coil winding direction,
- said plurality of electromagnetic coils arranged in Halbach array sequence encased or embedded together in said magnetic composite to form said electromagnetic Halbach array, with said wire ends exposed,
- wherein each said exposed wire end of said electromagnetic Halbach array grouped, joined, terminated, and connected according to a predetermined wiring scheme to produce an active enhanced Halbach electromagnetic field when energized, or shorted in a predetermined manner to form a passive enhanced Halbach electromagnetic field when energized by an external magnetic field.
5 more elements
Dependencies are inferred from the claim text.