High temperature refrigerator

Details High temperature refrigerator High temperature refrigerator

1977-03-10

1978-08-22

King, Lloyd L.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62467R, F25B 2102

Patent

active

041079353

ABSTRACT:
A high temperature magnetic refrigerator which uses a Stirling-like cycle in which rotating magnetic working material is heated in zero field and adiabatically magnetized, cooled in high field, then adiabatically demagnetized. During this cycle said working material is in heat exchange with a pumped fluid which absorbs heat from a low temperature heat source and deposits heat in a high temperature reservoir. The magnetic refrigeration cycle operates at an efficiency 70% of Carnot.

REFERENCES:
patent: 2510800 (1950-06-01), Chilowsky
patent: 2589775 (1952-03-01), Chilowsky
patent: 3108444 (1963-10-01), Kahn
patent: 3393526 (1968-07-01), Pearl
patent: 3413814 (1968-12-01), Van Geuns
patent: 3743866 (1973-07-01), Pirc
patent: 3841107 (1974-10-01), Clark
patent: 4033734 (1977-07-01), Steyert, Jr.

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