专利汇可以提供Gas circulation device for nuclear reactor, its using method, nuclear reaction oven system, and its operation method专利检索,专利查询,专利分析的服务。并且PURPOSE: To eliminate the contamination of a nuclear reactor system and to eliminate the vibration of a rotor by using a sealed active magnetic bearing. CONSTITUTION: A gas circulation device 10 is provided within the range of a pressure boundary for primary system set by a pressure container. A shaft extension part is supported by a journal bearing that is an active magnetic bearing(AMB) in radius direction. The upper edge part of a rotor shaft 22 is supported by AMB60 in radius direction and a rear support bearing 64 in radius direction such as a bush 66 made of graphite bush 66 is mounted to the inside of a housing 24. The lower-edge part the rotor shaft is supported by AMB70 in radius direction. Further, the rotor shaft is supported by AMB74 in axial direction as a thrust bearing. Such rear supporting bearing as a double- row ball bearing 82 is provided for the AMB70 and 74 and is installed inside a sealing chamber 84, thus decreasing the contamination of a nuclear reactor system and decreasing the vibration of the rotor.,下面是Gas circulation device for nuclear reactor, its using method, nuclear reaction oven system, and its operation method专利的具体信息内容。
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