X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1996-04-03
1997-09-30
Wong, Don
X-ray or gamma ray systems or devices
Source
Electron tube
378131, 378141, H01J 518
Patent
active
056733011
ABSTRACT:
A cooling system for an X-ray system with a bearing assembly having a bearing stator and a bearing rotor, includes a cooling stem disposed within the bearing assembly for dissipation of heat from the X-ray system. The cooling stem has dimensions adapted to be disposed within an axial bore of the bearing assembly. The cooling stem consists of a hollow, tubular housing having a target end, a distal end, and a number of radial fins integral with the outer surface of the tubular housing. The radial fins extend longitudinally from the target end in the direction of the distal end to a transition point. The radial fins, in combination with the outer surface of the tubular housing and the inner surface of the axial bore, form a number of axial channels for channeling a cooling medium from the target end to the distal end in a turbulent flow.
REFERENCES:
patent: 4622687 (1986-11-01), Whitaker et al.
patent: 5091927 (1992-02-01), Golitzer et al.
patent: 5416820 (1995-05-01), Weil et al.
Publication entitled, "X-ray Protection With Insulated Tubes," by Plaats, G.J. van der, Medical X-ray technique, 2nd edition, 1961, pp. 34-35.
General Electric Company
Ingraham Donald S.
Patnode Patrick K.
Wong Don
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