Patent ID: 6011829
Filing Date: 2000-01-04
Classification: H05G

Abstract:
An x-ray apparatus comprising:a housing defining a chamber;an x-ray tube disposed within the chamber, the x-ray tube including:a cathode assembly, said cathode assembly including a filament which emits electrons when heated;an anode assembly defining a target for intercepting the electrons such that collision between the electrons and the anode assembly generate x-rays from an anode focal spot;a bearing assembly rotatably supporting the anode assembly; andan envelope enclosing the anode assembly and the cathode assembly in a vacuum;means for cooling an interior of the bearing assembly;a cooling fluid reservoir;a cooling fluid return path operatively connecting the reservoir with the chamber;a first cooling fluid supply path operatively connecting the reservoir with the cooling means; anda second cooling fluid supply path operatively connecting the reservoir with the chamber.