Wheel-type magnetic refrigerator

Details Wheel-type magnetic refrigerator Wheel-type magnetic refrigerator

1982-01-20

1983-10-11

King, Lloyd L.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

F25B 2102

Patent

active

044084633

ABSTRACT:
The disclosure is directed to a wheel-type magnetic refrigerator capable of cooling over a large temperature range. Ferromagnetic or paramagnetic porous materials are layered circumferentially according to their Curie temperature. The innermost layer has the lowest Curie temperature and the outermost layer has the highest Curie temperature. The wheel is rotated through a magnetic field perpendicular to the axis of the wheel and parallel to its direction of rotation. A fluid is pumped through portions of the layers using inner and outer manifolds to achieve refrigeration of a thermal load.

REFERENCES:
patent: 3743866 (1973-07-01), Pirc
patent: 4033734 (1977-07-01), Stegert, Jr. et al.
patent: 4107935 (1978-08-01), Stegert, Jr.
patent: 4332135 (1982-06-01), Barclay et al.

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