Rotary-anode X-ray tube

Details Rotary-anode X-ray tube Rotary-anode X-ray tube

1977-03-10

1978-09-19

Rolinec, Rudolph V.

Electric lamp and discharge devices

Cyclotrons

313149, H01J 3510

Patent

active

041157184

ABSTRACT:
In rotary anodes which are journalled on two sides a problem occurs, notably as regards the bearing which is arranged on the side of the anode disc which is remote from the rotor. The problem involves excessive discharge of heat via the shaft and the bearing. A possibility of reducing the quantity of heat applied to the bearing consists in the increasing of the length of the anode shaft to increase the heat resistance. However, the length of the X-ray tube is then also increased. The invention provides a combination of smaller length, substantially free choice of the material of the anode shaft and hence overcritical speeds for the tube during operation by forming the anode shaft as a hollow rotor shaft coupled to the anode disc and a further shaft journalled at both ends to the respective bearings and connected to the hollow shaft.

REFERENCES:
patent: 3942059 (1976-03-01), Tran-Quang

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