Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1976-09-17
1977-07-05
King, Lloyd L.
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
62467R, F25B 2102
Patent
active
040337340
ABSTRACT:
A continuous, noncyclic magnetic refrigerator consisting of a liquid nitrogen cryostat having a motor-driven wheel with a pressed, porous rare earth compound as a rim that rotates through two thermally separated inner reservoirs of liquid helium, the first reservoir being at an elevated temperature relative to the second reservoir, two superconducting magnets of different field strengths, the larger of which is situate in the first reservoir and is adjacent to the said rim while the smaller magnet is positioned in the second reservoir adjacent to said rim, and said reservoir or reservoirs having a convection-driver pump to increase circulation of the helium in said second or first and second reservoirs through said porous rim.
REFERENCES:
patent: 3004393 (1961-10-01), Alsing
patent: 3108444 (1963-10-01), Kahn
patent: 3192727 (1965-07-01), Ashby et al.
patent: 3315490 (1967-04-01), Berry et al.
patent: 3393526 (1968-07-01), Pearl
patent: 3413814 (1968-12-01), Van Geuns
patent: 3599437 (1971-08-01), Panas
patent: 3638440 (1972-02-01), Lawless
patent: 3743866 (1973-07-01), Pirc
patent: 3992893 (1976-11-01), Claudet et al.
Rosenblum Stephen S.
Steyert, Jr. William A.
Gaetjens Paul D.
King Lloyd L.
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