Patent · US Active

Composite coating for improved wear resistance for x-ray tube bearings

US7397897B2 · kind B2 · utility

1Cited by

13References

12Claims

0Family size

Assignee

General Electric Company · US

Inventors

Krishnamurhty Anand · Bengaluru, IN
Dennis Michael Gray · Delanson, US
Pazhayannur Ramanathan Subramanian · Niskayuna, US
Srinidhi Sampath · Bengaluru, IN
Carey Shawn Rogers · Brookfield, US
Steven Alfred Tysoe · Ballston Spa, US
Richard Arthur Nardi, Jr. · Scotia, US

Key dates

Filing date	Oct 23, 2006
Grant date	Jul 8, 2008
Priority date	—
Expiry date	Oct 23, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH01J2235/108
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A bearing assembly mounted in an x-ray tube includes a bearing race and a bearing ball positioned adjacent to the bearing race. A coating is deposited on one of the bearing race and the bearing ball includes a lubricant and a hard material having a hardness greater than a base material of the bearing race and a base material of the bearing ball.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.