High-performance X-ray generating apparatus with improved coolin

Details High-performance X-ray generating apparatus with improved coolin High-performance X-ray generating apparatus with improved coolin

1997-08-06

2000-09-05

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378141, H01J 518

Patent

active

061154547

ABSTRACT:
An X-ray generation apparatus has a housing comprising an evacuated envelope with a rotatable anode target surrounded by an all metal grounded exterior structure and a cooling system. The cooling system comprises a coolant circulating system with heat exchanger and means for circulating a fluid coolant through an interior of the X-ray generating apparatus; a hollow shield structure with center aperture for passing and electron beam; and a cooling block which is disposed proximate to the rotatable anode target and comprises a disk with a plurality of concentric annular channels formed by concentric annular partitions. The shield structure and the disk of the cooling block are made of thermally conductive material. An interior of the shield structure is filled with structures such as pins, fins or pack bed which are made of thermally conductive materials. The fluid coolant is circulated through the shield structure, then into the plurality of channels of the cooling block and via an interior of the housing to the heat exchanger for efficient cooling of the X-ray generating apparatus.

REFERENCES:
patent: 4309637 (1982-01-01), Fetter
patent: 4916015 (1990-04-01), Schaffner et al.
patent: 4943989 (1990-07-01), Lounsberry et al.
patent: 5689542 (1997-11-01), Lavering et al.

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