X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1998-04-21
2000-03-21
Porta, David P.
X-ray or gamma ray systems or devices
Source
Electron tube
378142, 378144, H01J 3510
Patent
active
060411007
ABSTRACT:
An x-ray tube is disposed within an x-ray tube housing defining a chamber filled with oil or other cooling medium for cooling the x-ray tube. The x-ray tube includes an envelope enclosing an evacuated chamber in which an anode assembly is rotatably mounted to a bearing assembly and interacts with a cathode assembly for production of x-rays. The bearing assembly includes a bearing housing and a plurality of bearings disposed on a surface of the bearing housing. A heat sink is coupled to the bearing assembly and provides a thermally conductive path between the bearing assembly and the cooling medium in the x-ray tube housing for providing direct cooling of the bearing assembly during operation.
REFERENCES:
patent: 3942059 (1976-03-01), Tran-Quang
patent: 4071768 (1978-01-01), Goodenough
patent: 4415025 (1983-11-01), Horvath
patent: 5416820 (1995-05-01), Weil et al.
patent: 5673301 (1997-09-01), Tekriwal
Kaczmarek, Jr. Andrew R.
Maska Mark S.
Miller Lester D.
Clair Eugene E.
Fry John J.
Gurin Timothy B.
Picker International Inc.
Porta David P.
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