Back to results
US 2011/0031431 A1Published application
Magnetic composite structures with high mechanical strength
AssigneeThe Boeing Company
InventorsJohn R. Hull, Michael Strasik, Mark S. Wilenski
Life of this patent
Estimating the term…
Abstract
Magnetic fiber structures include a fiber and a plurality of permanent magnet particles carried by the fiber.
Claims28
A magnetic fiber structure, comprising:
- a fiber;
- and
- a plurality of permanent magnet particles carried by said fiber.
A magnetic composite structure, comprising:
- a polymer matrix;
- and
- a magnetic fiber structure provided in said polymer matrix and comprising:
- a fiber;
- and
- a plurality of permanent magnet particles carried by said fiber.
3 more elements
A method of fabricating a magnetic composite structure, comprising:
- providing a plurality of permanent magnet particles;
- providing a fiber;
- combining said permanent magnet particles with said fiber;
- providing a polymer matrix;
- and
- providing said fiber in said polymer matrix.
3 more elements
A magnetic fiber structure, comprising:
- an outer tube;
- an inner tube provided in said outer tube;
- and
- a plurality of permanent magnetic particles provided in said inner tube.
1 more element
A method of fabricating a magnetic fiber structure, comprising:
- providing an extruder apparatus comprising:
- a triple nozzle having an exit and an outer nozzle, a middle nozzle and an inner nozzle communicating with said exit;
- a first feed tank disposed in fluid communication with said middle nozzle;
- a second feed tank disposed in fluid communication with said outer nozzle;
- and
- forming an inner tube of said magnetic fiber structure by providing a first molten or softened material in said first feed tank and delivering said first molten or softened material through said middle nozzle and said exit;
- forming an outer tube of said magnetic fiber structure by providing a second molten or softened material in said second feed tank and delivering said second molten or softened material through said outer nozzle and said exit;
- and
- forming permanent magnetic particles in said inner tube by delivering magnetic particles through said inner nozzle and said exit.
6 more elements
A method of fabricating a permanent magnetic structure, comprising:
- providing an extruder apparatus comprising:
- a furnace;
- a forehearth communicating with said furnace;
- a nozzle communicating with said forehearth;
- an entrance for fiber material communicating with said furnace;
- and
- an entrance for magnetic particles communicating with said forehearth;
- and
- providing fiber material in said furnace and said forehearth through said entrance for fiber material;
- providing magnetic particles in said forehearth through said entrance for magnetic particles;
- and
- distributing said fiber material and said magnetic particles through said nozzle.
9 more elements
A method of fabricating a permanent magnetic structure, comprising:
- providing preform including fiber material slab;
- inserting magnetic particles into said preform;
- inserting said preform into an extruder;
- softening said fiber material slab;
- and
- extruding fiber from said fiber material slab.
3 more elements
Dependencies are inferred from the claim text.