Patent ID: 7522706

Claim:
A cooling device ( 70 , 70 ′, 70 ″) for an associated x-ray tube ( 26 ) comprising: a fluid inlet ( 72 , 72 ′, 72 ″) which receives a supply of cooling fluid from an associated source ( 52 ); a hollow cover member ( 110 , 110 ′, 110 ″) in fluid communication with the inlet, the cover member: including a wall ( 118 , 118 ′, 118 ″) which defines an aperture ( 126 , 126 ′, 126 ″) sized for receiving a portion ( 34 ) of the associated x-ray tube therethrough, defining, at least in part, an interior annular flow path ( 152 , 152 ′, 152 ″) for cooling fluid to circulate around the portion ( 34 ) of the associated x-ray tube, and providing at least one fluid outlet ( 140 , 140 ″, 156 , 156 ′) through which cooling fluid exits the cover member at a plurality of locations around the portion of the associated x-ray tube.