Insulation for cryogenic tanks

Details Insulation for cryogenic tanks Insulation for cryogenic tanks

2005-03-01

2009-02-24

Stashick, Anthony D (Department: 3781)

Receptacles

For cryogenic content

Including thermal insulation

C220S592260

Reexamination Certificate

active

07494023

ABSTRACT:
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.

REFERENCES:
patent: 5374476 (1994-12-01), Horsley
patent: 5590054 (1996-12-01), McIntosh
patent: 6521077 (2003-02-01), McGivern et al.

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