Rotating X-ray tube with external bearings

Details Rotating X-ray tube with external bearings Rotating X-ray tube with external bearings

1988-11-23

1991-02-12

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378137, H01J 3510

Patent

active

049930559

ABSTRACT:
X-ray tube includes a rotatable envelope in which is mounted an electron gun at one end and a target anode at the other end. A fixed means for deflecting the electron beam from the electron gun is provided to deflect the electron beam on a fixed path as the envelope of the x-ray tube rotates about an axis. The electron beam being confined to a fixed path results in the electron beam striking various positions of the target anode to provide for improved heat dissipation. The electron beam is deflected along the fixed path using magnetic deflection means including magnetic deflection coils positioned external of the envelope to provide a deflection field transverse to the electron beam. The target anode is cooled by directing a cooling fluid on an external side of the target anode.

REFERENCES:
patent: 2209963 (1940-08-01), Du Mond
patent: 2499545 (1950-03-01), Van Der Tuuk
patent: 4788705 (1988-11-01), Anderson

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