Rotary anode X-ray tube having a sliding bearing

Details Rotary anode X-ray tube having a sliding bearing Rotary anode X-ray tube having a sliding bearing

1984-12-05

1987-06-30

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378133, H01J 3510

Patent

active

046776516

ABSTRACT:
The invention relates to a rotary anode X-ray tube having a sliding bearing and a further bearing system. The further bearing system, preferably a magnetic bearing, is constructed so that it can absorb substantially entirely the axial and radial bearing forces, while the sliding bearing, which is preferably constructed as a spiral groove bearing with liquid metal lubrication, is shaped so that it absorbs the bearing forces only for a small fraction. It therefore has only a low friction, but it permits the supply of the anode current and especially an effective cooling of the anode disk.

REFERENCES:
patent: 3878395 (1975-04-01), Seifert et al.
patent: 3942059 (1976-03-01), Tran-Quang
patent: 4081707 (1978-03-01), Hartl et al.
patent: 4393511 (1983-06-01), Jens
patent: 4413356 (1983-11-01), Hartl

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