Installation of electron beam metalworking

Details Installation of electron beam metalworking Installation of electron beam metalworking

1985-03-14

1987-02-10

Dixon, Harold

Electric lamp and discharge devices: systems

Cathode ray tube circuits

250310, 250309, 328 67, 315 30, 315200R, 315307, H01J 2334

Patent

active

046425187

ABSTRACT:
An installation for electron beam metalworking comprises an electron gun (1), a transformer and rectifier system producing a rectified high voltage supplied to the gun, a vacuum tube (23) disposed in the circuit and associated with means (21) sensitive to the current flowing through the circuit and adapted to interrupt the current when it exceeds a predetermined value. The circuit is characterized in that the positive terminal of the rectifier is connected to the gun anode (4) by way of earth (the reference potential) and the vacuum tube (23) associated with its current flow sensiive means (21) is disposed in the connection between the negative terminal of the rectifier (19) and the gun cathode (3).

REFERENCES:
patent: 2465406 (1949-03-01), Taylor
patent: 3300735 (1967-01-01), Badger
patent: 3710266 (1973-01-01), Kondo
patent: 4315195 (1982-02-01), Redel et al.

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