Title:
ROTARY ANODE XXRAY TUBE
Document Type and Number:
Japanese Patent JPS5549850
Kind Code:
A
Abstract:
A low thermally conductive columbium metal stem has a heavy refractory metal x-ray target disk fastened to one end. A high thermal conductivity rotor hub comprising a cup-shaped element is fastened to the other end of the stem and the rotor hub is fastened to the end of an induction motor cylinder or liner which is coated to enhance heat emission and is induced to rotate by being coupled to a rotating magnetic field. A low thermally conductive bearing hub is fastened to the inside of the rotor hub and to a shaft which is journaled for rotation in bearings. The bearing hub enhances thermal isolation of the bearings from the hot rotor hub and hot target.
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Inventors:
ROBAATO YUUJIN HIYUUSUKEN
RICHIYAADO AAREN JIENZU
RICHIYAADO AAREN JIENZU
Application Number:
JP11247479A
Publication Date:
April 10, 1980
Filing Date:
September 04, 1979
Export Citation:
Assignee:
GEN ELECTRIC
International Classes:
H01J35/10; (IPC1-7): H01J35/10