Outer rotation bearing for x-ray tube

Details Outer rotation bearing for x-ray tube Outer rotation bearing for x-ray tube

1981-12-30

1983-07-12

Smith, Alfred E.

X-ray or gamma ray systems or devices

Source

Electron tube

378132, H01J 3510

Patent

active

043935117

ABSTRACT:
An improved rotating anode x-ray tube having front and rear bearings supporting a tubular member attached to the rotating anode for rotation about a stationary stem member. The front bearing is modified by providing clearance between its retainer and the tubular member to reduce the amount of heat conducted through the bearing. The rear bearing is conventional, and thus has good electrical and thermal conductivity. As a result, heat conducted from the anode to the tubular member is preferentially directed to the stem member through the rear bearing, rather than through the front bearing. The front bearing, normally the hotter of the two, thus remains cooler, increasing its life substantially.

REFERENCES:
patent: 2121632 (1938-06-01), Gross et al.
patent: 2230858 (1941-02-01), Atlee

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