Ultra-low temperature regenerator and refrigerator

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...

Reexamination Certificate

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26, C165S004000

Reexamination Certificate

active

07404295

ABSTRACT:
The refrigeration performance in a range from 3 to 10 K can be improved in comparison with conventional metal based magnetic regenerator materials.The refrigerator is provided with a regenerator utilizing at least one magnetic material including a rare earth element and sulfur as the regenerator material.

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International Search Report, mailed on Jun. 24, 2003.

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