X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1981-02-12
1983-11-01
Demeo, Palmer C.
X-ray or gamma ray systems or devices
Source
Electron tube
378132, 378144, H01J 3504
Patent
active
044133553
ABSTRACT:
A rotary anode type X-ray tube has an enclosure, a target rotatably supported within the enclosure and serving as a source of X-ray generation, a cylindrical rotor connected to the target, for rotating the target by the action of rotating magnetic field produced by a winding provided around the enclosure, a rotary shaft on the central axis of the rotor for rotation of the target, and a stationary cylindrical housing concentric with the rotor interposed between the rotor and the rotary shaft, for supporting the rotary shaft through rolling bearings. In this type of X-ray tube, means is interposed between the rotor and the rotary shaft, for reducing the difference of temperature between the stationary cylindrical housing and the rotor.
REFERENCES:
patent: 2081789 (1937-05-01), Bouwers
patent: 4097759 (1978-06-01), Furbee et al.
DeMeo Palmer C.
Hitachi , Ltd.
O'Shea Sandra L.
Pfund Charles E.
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