Heat exchange – Regenerator
Patent
1992-12-31
1994-07-26
Davis, Jr., Albert W.
Heat exchange
Regenerator
165 10, 62 6, F28D 1702
Patent
active
053320298
ABSTRACT:
Disclosed is a regenerator loaded with a relatively cheap heat regenerative material which exhibits excellent specific heat, heat transfer capability and recuperativeness under cryogenic temperatures lower than, for example, the liquid nitrogen temperature. The regenerator is filled with a heat regenerative material comprising at least one R-M system compound, where R is at least one rare earth element selected from the group consisting of Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, HO, Er, Tm, Yb and Lu, and M is at least one metal selected from the group consisting of Al, Ga, In and Tl.
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patent: 5186765 (1993-02-01), Arai et al.
European Search Report No. EP 93 30 0063, dated Dec. 29, 1993.
Database Inspec Institute of Electrical Engineers, Stevenage, GB Inspec No. 3162342 Abstract.
Advances in Cryogenic Engineering Materials, vol. 32, pp. 295-301, A. Tomokiyo, et al., "Specific Heat and Entropy of RNi.sub.2 (R: Rare Earth Heavy Metals) in Magnetic Field".
Advances in Cryogenic Engineering Materials, vol. 32, pp. 271-278, B. Barbrish, et al., "High Enthalpy Materials for Use in Superconductor Stabilization and in Low . . . ".
Takahashi Akiko
Tokai Yoichi
Davis Jr. Albert W.
Kabushiki Kaisha Toshiba
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