Gantry for a computed tomography apparatus and method for...

Details Gantry for a computed tomography apparatus and method for... Gantry for a computed tomography apparatus and method for...

2008-05-20

2008-05-20

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Source support

Source cooling

C378S004000

Reexamination Certificate

active

11514708

ABSTRACT:
A gantry for a computed tomography apparatus has a rotary carriage that is rotatable around an axis and a support ring arranged around the rotary carriage with a circumferential cooling channel. The support ring has a number of openings distributed around its circumference and forming a non-uniform opening pattern. The rotary carriage likewise has inflow and outflow openings that, in operation, overlap the openings on the stationary part of the computed tomography apparatus such that a coolant flows through between the support ring and the rotary carriage. A steady pressure fluctuation that leads to a reduction of the noise stress in operation ensues thanks to the non-uniform opening pattern.

REFERENCES:
patent: 6289073 (2001-09-01), Sasaki et al.
patent: 2004/0202287 (2004-10-01), Muller
patent: 103 12 253 (2004-10-01), None

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