Refrigeration – Using electrical or magnetic effect
Patent
1995-12-15
1998-03-03
Doerrler, William
Refrigeration
Using electrical or magnetic effect
622592, 16510423, F25B 2100
Patent
active
057222428
ABSTRACT:
A Vacuum Diode Heat Pump is optimized for the most efficient pumping of heat by utilizing a cathode and anode of very low work function. The relationship of the work functions of cathode and anode are shown to be optimized when the cathode work function is the minimum value required to maintain current density saturation at the desired temperature, while the anode's work function is as low as possible, and in any case lower than the cathode's work function. When this relationship is obtained, the efficiency of the original device is improved. It is further shown that contact potential difference between cathode and anode may be set against the effects of space charge, resulting in an improved device whereby anode and cathode may be set at a greater distance from each other than has been previously envisaged.
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patent: 4463798 (1984-08-01), Pogson et al.
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patent: 5305363 (1994-04-01), Burke et al.
patent: 5356484 (1994-10-01), Yater et al.
Phys.Review A, vol.26, No. 1, pp. 523-538 Yater, Physical basis of power conversion of energy fluctuations Jul. 1982.
Borealis Technical Limited
Doerrler William
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