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X-ray tube having a magnetically supported rotary anode

Patent ·
OSTI ID:5322129
; ;
The invention relates to an x-ray tube. The tube has a rotary anode which is rotatably journalled by means of a magnetic bearing having a stator comprising a magnet yoke which intersects the outer walls of the tube and which is magnetizable by magnets arranged outside the tube. The magnet yoke comprises radially extending pole faces which enclose gaps in conjunction with radially extending pole faces of a rotor connected to the rotary anode. The rotor consists of a soft-magnetic disk, which provides the magnet yoke which closes the magnet yoke of the stator.
Assignee:
U S Philips Corp
Patent Number(s):
US 4322624
OSTI ID:
5322129
Country of Publication:
United States
Language:
English

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62 RADIOLOGY AND NUCLEAR MEDICINE
ANODES
BEARINGS
BIOMEDICAL RADIOGRAPHY
DESIGN
DIAGNOSTIC TECHNIQUES
ELECTRODES
ELECTRON TUBES
EQUIPMENT
INDUSTRIAL RADIOGRAPHY
MACHINE PARTS
MAGNETIC BEARINGS
MEDICINE
MOTION
NUCLEAR MEDICINE
RADIOLOGY
ROTATION
ROTORS
SHAFTS
STATORS
X-RAY EQUIPMENT
X-RAY RADIOGRAPHY
X-RAY TUBES