Electron gun

Details Electron gun Electron gun

1984-09-13

1986-03-04

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219121EB, 219121EZ, 219121EA, H01J 37065

Patent

active

045741786

ABSTRACT:
An electron gun with a beam generator 4, a high-voltage connection 25 and a high-voltage insulator 23 is equipped with at least one insulating transformer 26, 27 and circuit elements 43 for producing auxiliary voltages at high-voltage potential. The beam generator 4 and the high-voltage insulator 23. are surrounded by a grounded metallic jacket 32. The insulating transformer is arranged above the high-voltage insulator 23. For the purpose of solving the problem of permitting use of a single-pole high-voltage cable, the one or more insulating transformers 26, 27 are embedded in an insulating member 24 which is mounted directly on the high-voltage insulator 23. The portion of the insulating member 24 that projects beyond the grounded jacket 32 is surrounded by a metallic hood which, together with the jacket 32, forms a common Faraday cage. The circuit elements 43 for the auxiliary voltages are likewise arranged in the Faraday cage.

REFERENCES:
patent: 3033974 (1962-05-01), Schleich et al.
patent: 3192318 (1965-06-01), Schleich et al.
patent: 3197669 (1965-07-01), Solomon
patent: 4084076 (1978-04-01), Istomin et al.

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