Method and apparatus for vacuum diode-based devices with electri

Details Method and apparatus for vacuum diode-based devices with electri Method and apparatus for vacuum diode-based devices with electri

1996-09-25

1997-10-14

Doerrler, William

Refrigeration

Using electrical or magnetic effect

313310, 313311, F25B 2100, H01J 105

Patent

active

056759720

ABSTRACT:
Vacuum diode-based devices, including Vacuum Diode Heat Pumps and Vacuum Thermionic Generators, are described in which the electrodes are coated with an electride. These materials have low work functions, which means 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.

REFERENCES:
patent: 5356484 (1994-10-01), Yater et al.
patent: 5569973 (1996-10-01), Zimmerman
patent: 5598052 (1997-01-01), Khan et al.

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