Cooling X-ray tube

Details Cooling X-ray tube Cooling X-ray tube

1995-10-13

1997-07-29

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378128, 378144, H01J 3510

Patent

active

056527780

ABSTRACT:
An X-ray tube includes a housing containing an anode target having a target shaft supported in the housing by a bearing. The target is rotated, and a cathode emits an electron beam against the target to create X-rays which are discharged from the tube through a window therein. The target shaft is integral with the target and extends axially therefrom for conducting heat away from the target and to the shaft without joint heat resistance. The bearing includes a rotor hub to which the target shaft is removably joined and is configured for improving heat conduction to a stator of the bearing for preferentially limiting the temperature thereof.

REFERENCES:
patent: 3710162 (1973-01-01), Bougle
patent: 4679220 (1987-07-01), Ono
patent: 4920551 (1990-04-01), Takahashi et al.
patent: 5091927 (1992-02-01), Golitzer et al.
Schreiber, "Heat Management in X-ray Tubes", MedicaMundi, vol. 35, 1990, pp. 49-56.
General Electric, "The 9800 Tube Unit", commercial product more than one year, four pages.

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