Anti-fretting coating for rotor attachment joint and method of making same
US8897420B1 · kind B1 · utility
4Cited by
24References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2012 |
| Grant date | Nov 25, 2014 |
| Priority date | — |
| Expiry date | Feb 23, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2235/1086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An x-ray tube includes a cathode adapted to emit electrons, a bearing assembly comprising a rotatable shaft having a rotor hub, a target assembly attached to the rotatable shaft and positioned to receive the emitted electrons in order to generate x-rays therefrom, a rotor attached to the rotor hub at an attachment face, wherein the attachment face comprises a first material compressed against a second material, and a first anti-wear coating attached to one of the first material and the second material and positioned between the first material and the second material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.