Method of manufacturing a rotating anode X-ray tube

Details Method of manufacturing a rotating anode X-ray tube Method of manufacturing a rotating anode X-ray tube

1996-03-26

1997-09-16

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378132, 378125, H01J 3510

Patent

active

056688490

ABSTRACT:
In a rotating anode X-ray tube of this invention, a liquid metal lubricant supplied to bearing portions between a rotary member and a stationary member for instructing rotation of the rotary member is to be filled to a volume having a range of lower limit being an amount to fill bearing gaps, including helical grooves, and as an upper limit being 70% of the capacity of the interior in which the lubricant can flow, measured from the end portion of a helical groove slide bearing portion closest to the interior of a vacuum container. In the rotating anode X-ray tube, leakage of the liquid metal lubricant can be prevented, and a stable bearing operation can be maintained.

REFERENCES:
patent: 4210371 (1980-07-01), Gerkema et al.
patent: 4501566 (1985-02-01), Carlson et al.
patent: 5189688 (1993-02-01), Ono et al.
patent: 5210781 (1993-05-01), Ono et al.
Philips Technical Review vol. 44, No. 11/12, Nov. 1989 pp. 357-363 E. A. Muijderman et al.

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