X-ray or gamma ray systems or devices – Source support – Source cooling
Patent
1990-08-08
1992-02-04
Howell, Janice A.
X-ray or gamma ray systems or devices
Source support
Source cooling
378141, 378199, H01J 3510
Patent
active
050864491
ABSTRACT:
A coolant oil from an x-ray tube (14) is circulated through a heat exchanger (18) to reduce its temperature. More specifically, at least one hot coolant fluid receiving aperture (30) is defined adajcent an end of a suction tube 32) in an upper most portion of a horn portion (16) surrounding a cathode termination assembly. Bubblers (42) of gas in the fluid which could be ionized by electrical fields inside the x-ray tube housing causing x-ray tube current irregularities and corresponding x-ray tube output irregularities are drawn into the suction tube aperture. A debubbler (38) removes bubbles from the cooled coolant fluid before it is returned into an anode horn portion (20) of the x-ray tube. Alternately, the bubbles may be reabsorbed, dissolved, or homogenized by the action of the heat exchanger and pump. The coolant fluid passes through a central portion (24) of the x-ray tube absorbing heat and back to the cathode horn portion.
REFERENCES:
patent: 1992335 (1935-02-01), Tietig
patent: 2049275 (1936-07-01), Simon
patent: 4115697 (1978-09-01), Hounsfield
patent: 4651338 (1987-03-01), Hahn
Burke James E.
Furbee Avery D.
Howell Janice A.
Picker International Inc.
Porta David P.
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