Cooling structure for a screen grid electron tube such as a tran

Details Cooling structure for a screen grid electron tube such as a tran Cooling structure for a screen grid electron tube such as a tran

1987-06-12

1988-10-18

Moore, David K.

Electric lamp and discharge devices

With temperature modifier

For filament or heated cathode

313 30, 313 35, 313296, H01J 726, H01J 1974

Patent

active

047790229

ABSTRACT:
A cooling system for a screen grid electron tube such as a high power, high frequency transmitter tetrode which has coaxial formed electrodes and bushings and has an air cool screen grid terminal formed of two angular screen grid terminal elements 1 and 2 spaced from each other in the axial direction together with their bushings 3 and 4 so as to form a cooling air coaxial passage 7 so as to cool the screen grid terminal elements 1 and 2.

REFERENCES:
patent: 3227905 (1966-01-01), Talcott
patent: 3567982 (1971-03-01), Droppa et al.
patent: 3641380 (1972-02-01), Stephens
patent: 4295077 (1981-10-01), Carter et al.
patent: 4302701 (1981-11-01), Beling
patent: 4639633 (1987-01-01), Hoet et al.
patent: 4644217 (1987-02-01), Hoet et al.
Senderoehren-Datenbuch 1980/81, p. 147, Published Siemens AG Bereich Bauelemente, Munich Federal Republic of Germany.
NTG-Fachberichte, 1983, pp. 1928-1932, Published by VD-Verlag Berlin, ISBN 3-8007-1321-7.

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