Patent ID: 6778635
Filing Date: 2004-08-17
Classification: H01J

Abstract:
A rotating anode x-ray device, comprising:(a) a vacuum enclosure; (b) an electron source and an anode disposed in said vacuum enclosure, said anode being mounted to a shaft and spaced apart from said electron source so that said anode receives electrons emitted by said electron source; (c) a bearing assembly rotatably supporting said shaft upon which said anode is mounted; (d) a bearing housing wherein said bearing assembly is substantially confined; and (e) a heat sink at least partially disposed within said vacuum enclosure and including: (i) a cooling block directly joined to said bearing housing and having at least one extended surface; (ii) a shell directly joined to said cooling block and cooperating therewith to define a coolant chamber; and (iii) a means for transferring heat, said means for transferring heat facilitating transfer of heat from said cooling block to coolant disposed in said coolant chamber.