Drive device for a rotary anode of an x-ray tube

Details Drive device for a rotary anode of an x-ray tube Drive device for a rotary anode of an x-ray tube

1996-12-06

1998-07-14

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378125, H01J 3510

Patent

active

057816093

ABSTRACT:
The invention relates to a drive device for a rotary anode of an X-ray tube having a drive motor with a stator (10) and a rotor (15; 21) which drives the rotary anode, the stator (10) and the rotor (15; 21) being separated by a gap and the stator (10) having slots (11) whose circumferential length (17) has been dimensioned for driving a bipolar X-ray tube. In order to enable a more universal use of such a drive device the stator (10), which has been dimensioned for driving the bipolar X-ray tube, is also used for driving a unipolar X-ray tube, the diameter of the rotor (21) and thus the gap (22) being dimensioned in such a manner that the efficiency or the torque of the drive device lies within a maximum range (II).

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