Patent ID: 7386094
Filing Date: 2008-06-10
Classification: H01J

Abstract:
1. A radiation emission device comprising: an enclosure in which the radiation is produced; in the enclosure a cathode, an anode situated so as to be facing the cathode and rotating on a shaft, and an anode shaft support; the support comprising a chamber for holding the anode shaft; the chamber having means for filling or pumping of the chamber with a lubricant fluid; the means for filling or pumping being provided with an embedded valve comprising: a plugging needle capable of shifting in the means for filling or pumping; a removable sleeve getting secured to the needle; the sleeve being hollow and being provided with means for handling the needle and opening and then closing the means for filling or pumping until the joint is supported by the enclosure; and the sleeve being provided with a joint and/or the needle being provided with a peripheral joint.