Title:
ROTATING ANODE X-RAY TUBE
Document Type and Number:
WIPO Patent Application WO/2024/014179
Kind Code:
A1
Abstract:
This rotating anode X-ray tube comprises a vacuum envelope, and a cathode and a rotating anode structure accommodated in the vacuum envelope. The rotating anode structure includes a fixed shaft, a rotating shaft provided on the outer peripheral side of the fixed shaft, and a target that rotates together with the rotating shaft and generates X-rays by receiving an electron beam emitted from the cathode. A bearing gap filled with a liquid lubricant is provided between the fixed shaft and the rotating shaft. Magnetic fine particles with magnetism are dispersed in the liquid lubricant, and a magnetic field is provided in the bearing gap.
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Inventors:
KUMADAKI HIROYUKI (JP)
Application Number:
PCT/JP2023/020757
Publication Date:
January 18, 2024
Filing Date:
June 05, 2023
Export Citation:
Assignee:
CANON ELECTRON TUBES & DEVICES CO LTD (JP)
International Classes:
F16C33/10; F16C17/02; F16C37/00; H01J35/10
Foreign References:
| JPS56149758A | 1981-11-19 | |||
| JPH11289709A | 1999-10-19 | |||
| JP2003533363A | 2003-11-11 | |||
| JPH08270654A | 1996-10-15 | |||
| JPH09112542A | 1997-05-02 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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