Rotary anode x-ray tube

Details Rotary anode x-ray tube Rotary anode x-ray tube

1981-10-15

1983-11-22

Moore, David K.

Electric lamp and discharge devices

With temperature modifier

Electric heater

378131, 378144, H01J 110, H01J 6152

Patent

active

044171714

ABSTRACT:
In an exemplary embodiment, the rotary anode is mounted by magnetic bearings and is provided with an auxiliary device for conducting the anode current to the external power supply. The auxiliary device comprises at least one auxiliary cathode which rotates with the anode and an auxiliary anode which is arranged concentrically to the anode rotary axis on a stationary part. The heating of the auxiliary cathodes can proceed via generator windings which rotate with the rotary anode and associated stationary exciting windings arranged about the x-ray tube. It is also possible to provide for this purpose a rotating transformer whose primary windings externally annularly surrounds the x-ray tube and whose secondary winding is arranged on a rotating anode part.

REFERENCES:
patent: 3836805 (1974-09-01), Kok
patent: 3878395 (1975-04-01), Seifert et al.
patent: 4097759 (1978-06-01), Furbee et al.
patent: 4144471 (1979-03-01), Hartl

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