A magnetic multi-layer insulation system for a cryogenic storage tank. The system includes multiple layers of insulation comprising a carrier support structure disposed between a first major surface of a magnetic material defining a north pole facing away from the carrier support structure, and a se
A magnetic multi-layer insulation system for a cryogenic storage tank. The system includes multiple layers of insulation comprising a carrier support structure disposed between a first major surface of a magnetic material defining a north pole facing away from the carrier support structure, and a second and opposite major surface of a magnetic material defining a south pole facing away from the carrier support structure. A reflective surface, or metal foil, is disposed adjacent the magnetic poles to deflect radiation. The layers are repelled from one another without the use of spacers. In various embodiments, the magnetic material is a permanent magnet selected from the group consisting of Samarium-Cobalt, Alnico, Neodymium-Iron-Boron, an alloy of the Lanthanide group of elements, and mixtures and alloys thereof.
대표청구항▼
What is claimed is: 1. A cryogenic storage vessel, comprising: an inner tank having a containment volume storing a cryogenic fluid; an outer tank surrounding said inner tank and defining an insulation space therebetween, said insulation space having a pressure less than atmospheric pressure; and at
What is claimed is: 1. A cryogenic storage vessel, comprising: an inner tank having a containment volume storing a cryogenic fluid; an outer tank surrounding said inner tank and defining an insulation space therebetween, said insulation space having a pressure less than atmospheric pressure; and at least two insulation layers disposed in said insulation space and surrounding said inner tank, wherein said insulation layers are separated from one another by magnetic repulsion. 2. A cryogenic storage vessel according to claim 1, wherein said insulation layers are separated from one another by a magnetic field having a flux density from about 0.2 and about 0.5 Tesla. 3. A cryogenic storage vessel according to claim 1, wherein at least one of said insulation layers comprises an electromagnetic material. 4. A cryogenic storage vessel according to claim 1, wherein said insulation layers have a thickness from about 50 to about 90 microns. 5. A cryogenic storage vessel according to claim 1, wherein said insulation layers comprise a metallized polyester substrate. 6. A cryogenic storage vessel according to claim 1, wherein at least one of said insulation layers comprises a reflective surface. 7. A cryogenic storage vessel according to claim 6, wherein said reflective surface comprises a material selected from the group consisting of aluminum foil, gold foil, copper foil, silver foil, zinc foil, and mixtures thereof. 8. A cryogenic storage vessel according to claim 1, wherein said insulation layers comprise: a carrier support structure having a first major surface adjacent a north pole of a magnetic material, and a second opposite major surface adjacent a south pole of a magnetic material, wherein said insulation layers are spaced apart from one another and are arranged having north magnetic poles adjacent north magnetic poles and south magnetic poles adjacent south magnetic poles. 9. A cryogenic storage vessel according to claim 1, wherein a distance between adjacent insulation layers is uniform. 10. A cryogenic storage vessel according to claim 1, wherein said at least two insulation layers include a plurality of insulation layers that are spaced equidistant from one another. 11. A cryogenic storage vessel according to claim 1, wherein said at least two insulation layers include a plurality of insulation layers that have variant spacing between one another. 12. A cryogenic storage vessel according to claim 11, wherein insulation layers disposed near said outer tank are more closely spaced between one another than insulation layers disposed near said inner tank. 13. A cryogenic storage vessel according to claim 1, wherein at least one of said insulation layers entirely surrounds said inner tank. 14. A cryogenic storage vessel according to claim 1, wherein at least one of said insulation layers surrounds a portion of said inner tank. 15. A method of insulating a cryogenic storage vessel, comprising: providing an inner tank; providing an outer tank surrounding said inner tank and defining an inner space therebetween; and surrounding said inner tank with a plurality of magnetically repelled insulation layers. 16. A method according to claim 15, wherein surrounding said inner tank with a plurality of magnetically repelled insulation layers comprises providing insulation layers comprising a carrier support structure having a first major surface adjacent a north pole of a magnetic material and a second and opposite major surface adjacent a south pole of a magnetic material. 17. A method according to claim 16, comprising spacing said insulation layers apart from one another and arranging said insulation layers having north pole magnetic materials adjacent north pole magnetic materials, and south pole magnetic materials adjacent south pole magnetic materials.
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이 특허에 인용된 특허 (3)
McGivern, Kenneth James; Barber, David R.; Amm, Kathleen M., Method for insulating a cryogenic container.
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