Patent · US Active

Air-cooled ferrofluid seal in an x-ray tube and method of fabricating same

US7903787B2 · kind B2 · utility

0Cited by

16References

22Claims

0Family size

Assignee

General Electric Company · US

Inventors

Edwin L. Legall · Florence, US
Mark Alan Frontera · Ballston Lake, US
Walter John Smith · Ballston Spa, US

Key dates

Filing date	Apr 14, 2009
Grant date	Mar 8, 2011
Priority date	—
Expiry date	Aug 8, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH01J2235/1275
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An x-ray tube includes a rotatable shaft having a first end and a second end, a target coupled to the first end of the rotatable shaft, the target positioned to generate x-rays toward a subject upon impingement of electrons thereon, and an impeller coupled to the second end of the rotatable shaft and positioned to blow a gas into an inlet of an aperture passing into the rotatable shaft.

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