X-ray tube apparatus

Details X-ray tube apparatus X-ray tube apparatus

1992-12-10

1993-11-09

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378 93, H01J 3510

Patent

active

052609839

ABSTRACT:
An X-ray apparatus is provided with an operation process in which an AC voltage is applied from a power source to a magnetic stator coil so that the components of bearings are heated by magnetic induction to melt a metal lubricant in the bearings. Thus, the lubricant can be efficiently melted before starting rotation without additionally using extra components in an X-ray tube, so that the apparatus can enjoy stable operation.

REFERENCES:
patent: 4210371 (1980-07-01), Gerkema et al.
patent: 4305631 (1991-12-01), Iversen
patent: 4644577 (1987-02-01), Gerkema et al.
patent: 4914684 (1990-04-01), Upadhya
patent: 5189688 (1993-02-01), Ono et al.

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