X-ray generator with grooved rotary anode

Details X-ray generator with grooved rotary anode X-ray generator with grooved rotary anode

1988-07-18

1989-10-10

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Source

Electron tube

378123, 378127, 378199, H01J 3510

Patent

active

048737097

ABSTRACT:
An X-ray generator includes a vacuum vessel; a cathode disposed in the vacuum vessel for emitting an electron beam; a plurality of stators constituting an electric motor and disposed within the vacuum vessel for generating rotating magnetic fields; a drum-shaped anode adapted to rotate upon reception of the rotating magnetic fields generated from the stators and radiate an X-ray upon reception of the electron beam emitted from the cathode, the drum-shaped anode having a circumferentially extending narrow groove formed at the position where the electron beam from the cathode is focused; a plurality of rotary fins mounted on the drum-shaped anode for dissipating the heat generated in the groove upon radiation of an X-ray; and a plurality of fixed fins mounted within the vacuum vessel in opposed relation to the rotary fins and adapted to receive the heat transferred from the rotary fins and dissipate the heat to the outside of the vacuum vessel.

REFERENCES:
patent: H000312 (1987-07-01), Parker
patent: 2075146 (1934-12-01), Sergeeff
patent: 4130773 (1978-12-01), Kussel
patent: 4521903 (1985-06-01), Braun
patent: 4688239 (1979-08-01), Schaffner et al.

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