X-ray tube rotor and stator assembly

Details X-ray tube rotor and stator assembly X-ray tube rotor and stator assembly

1997-09-08

1999-02-23

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378133, H01J 3510

Patent

active

058752277

ABSTRACT:
An X-ray tube assembly having bearings rotatably connecting a rotor shaft and a stator. A pair of circumferential protrusions each radially extend from the shaft and are spaced apart a first radial distance from the stator. A substance, which includes metal (such as gallium) and which is liquid at the assembly's operating temperature, is located longitudinally between the circumferential protrusions. The substance radially extends a second radial distance between, and in conductive thermal contact with, the shaft and the stator. Preferably, the second radial distance is greater than fifty times the first radial distance, and the first radial distance is between twenty and sixty microns.

REFERENCES:
patent: 3694685 (1972-09-01), Houston
patent: 5483570 (1996-01-01), Renshaw et al.
patent: 5541975 (1996-07-01), Anderson et al.

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