Cold accumulator

Details Cold accumulator Cold accumulator

1997-08-11

2000-02-29

Ip, Sikyin

Metal treatment

Stock

Magnetic

420416, 62 6, F25B 900, H01F 104

Patent

active

060304685

ABSTRACT:
A cold accumulator filled with a cold accumulating material including 20 to 95 at % of at least one element selected from the group consisting of cerium (Ce), neodymium (Nd), praseodymium (Pr), magnetic body dysprosium (Dy), holmium (Ho), erbium (Er) and thulium (Tm), and 5 to 80 at % of an additive containing at least silver (Ag), thereby improving the specific heat at 10 to 30 K. The cold accumulating material can increase the efficiency of heat accumulating at 10 to 30 K, and the cold accumulator can be applied to refrigerators which generate refrigeration at cold low temperatures of 10 to 30 K.

REFERENCES:
patent: 4082138 (1978-04-01), Mie dema et al.
patent: 5186765 (1993-02-01), Arai et al.
patent: 5207981 (1993-05-01), Hanaue et al.
patent: 5269854 (1993-12-01), Takahashi et al.

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