US 6,336,978 B1 · Heat regenerative material formed of particles or filaments

Abstract

A heat regenerative material including AMz, where A 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 and Yb; M is at least one metal selected from the group consisting of Ni and Co; and z is 0.001 to 9.0; the heat regenerative material being formed of particles with an average diameter of 1-2,000 μm or filaments with an average diameter of 1-2,000 μm.

Claims0

Dependent claims

Claims aren’t available for this document.

Facts

Application

09/419,924Filed 18 Oct 1999

Granted

8 Jan 2002

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

F02G 1/0445
Having at least two working members, e.g. pistons, delivering power output: engine plants with combined cycles, e.g. Vuilleumier
F25B 9/14
Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point: characterised by the cycle used, e.g.…
H01F 1/012
Of inorganic materials: adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
H01F 1/015
Adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material: metals or alloys

Heat regenerative material formed of particles or filaments

Life of this patent

Abstract

Claims0

Heat regenerative material formed of particles or filaments

Life of this patent

Abstract

Claims0