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1. 发明公开

EP1047100A2 X-Ray tube having rotary anode cooled with high thermal conductivity fluid 失效
标题翻译：用的X射线管由具有高导热性的旋转阳极的流体冷却
公开(公告)号：EP1047100A2
公开(公告)日：2000-10-25
申请号：EP00116849.1
申请日：1995-01-09
申请人： Varian Medical Systems, Inc.
发明人： Anderson, Wetson A. , Arnold, James T. , Lavering, Gordon R. , Duffield, Jack J.
IPC分类号： H01J35/10 , H05G1/04
CPC分类号： H01J35/106 , H01J2235/1204 , H01J2235/1279 , H05G1/025 , H05G1/04
摘要： An X-ray tube rotating anode (14) is cooled with a liquid metal (40) functioning as a recirculated heat exchange fluid and/or a metal film in a gap (39) between the anode (14) and a stationary structure. The liquid metal (40) is confined to the gap (39) by (a) a labyrinth (44 or 46) having a coating that is not wetted by the liquid, (b) a magnetic structure (22), or (c) a wick (38). The liquid metal (40) recirculated through the anode (14) is cooled in a heat exchanger located either outside the tube or in the tube so it is surrounded by the anode (14). The heat exchanger in the tube includes a mass of metal in thermal contact with the recirculating liquid metal and including numerous passages (36) for a cooling fluid, e.g. water. A high thermal conductivity path (26, 48, 49) is provided between an anode region (16) bombarded by electrons and a central region of the tube where heat is extracted. In one embodiment the high thermal conductivity is achieved by stacked pyrolytic structures having crystalline axes arranged so there is high heat conductivity radially of the region and lower thermal heat conductivity normal to the high heat conductivity direction.
摘要翻译：该X射线管具有旋转阳极[14]轨冷却用液体金属[40]作为一再循环热交换流体和/或金属膜在阳极和固定结构之间的间隙[39]的作用。液态金属通过迷宫[44，46]局限于间隙具有涂层也不会被金属润湿，磁结构[22]或芯。通过阳极再循环的液体金属在位于任一外管或管，以便它是由阳极包围的热交换器中被冷却。在管中的热交换器包括金属在与再循环液体金属热接触的质量，并且包括许多通道[36]用于冷却流体的E. G. 水，高导热性的路径[26，48，49]被的阳极区之间提供[16]通过电子和其中热量被提取的管的中心区域轰击。

2. 发明公开

EP1047100A3 X-Ray tube having rotary anode cooled with high thermal conductivity fluid 失效
标题翻译：用的X射线管由具有高导热性的旋转阳极的流体冷却
公开(公告)号：EP1047100A3
公开(公告)日：2003-02-12
申请号：EP00116849.1
申请日：1995-01-09
申请人： Varian Medical Systems, Inc.
发明人： Anderson, Wetson A. , Arnold, James T. , Lavering, Gordon R. , Duffield, Jack J.
IPC分类号： H01J35/10
CPC分类号： H01J35/106 , H01J2235/1204 , H01J2235/1279 , H05G1/025 , H05G1/04
摘要： An X-ray tube rotating anode (14) is cooled with a liquid metal (40) functioning as a recirculated heat exchange fluid and/or a metal film in a gap (39) between the anode (14) and a stationary structure. The liquid metal (40) is confined to the gap (39) by (a) a labyrinth (44 or 46) having a coating that is not wetted by the liquid, (b) a magnetic structure (22), or (c) a wick (38). The liquid metal (40) recirculated through the anode (14) is cooled in a heat exchanger located either outside the tube or in the tube so it is surrounded by the anode (14). The heat exchanger in the tube includes a mass of metal in thermal contact with the recirculating liquid metal and including numerous passages (36) for a cooling fluid, e.g. water. A high thermal conductivity path (26, 48, 49) is provided between an anode region (16) bombarded by electrons and a central region of the tube where heat is extracted. In one embodiment the high thermal conductivity is achieved by stacked pyrolytic structures having crystalline axes arranged so there is high heat conductivity radially of the region and lower thermal heat conductivity normal to the high heat conductivity direction.

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