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1. 发明授权

US06352019B1 Diaphragm actuator 有权
标题翻译：隔膜执行机构
公开(公告)号：US06352019B1
公开(公告)日：2002-03-05
申请号：US09581539
申请日：2000-07-10
申请人： Shinichi Hasegawa , Syoji Mizumachi
发明人： Shinichi Hasegawa , Syoji Mizumachi
IPC分类号： F16J1518
CPC分类号： F15B15/10
摘要： A diaphragm actuator having a diaphragm therein which is installed inside a cup so as to form a pressure chamber and a pressure is supplied to the pressure chamber so as to actuate the diaphragm and a rod connected to the diaphragm. The rod is supported by a bearing disposed inside the cup so that the diaphragm actuator is excellent in thermal insulation against the surrounding atmospheric temperature, thus preventing the diaphragm from being thermally deteriorated. To achieve this end, the bearing is extended to an inner peripheral surface of the cup until it touches the inner peripheral surface, and a contact surface of the bearing with the rod is formed in an arc-shaped section having the least inner diameter at its axial center.
摘要翻译：其中具有隔膜的隔膜致动器，其安装在杯内部以形成压力室，并且将压力供应到压力室，以便致动隔膜和连接到隔膜的杆。杆由设置在杯内的轴承支撑，使得隔膜致动器对周围大气温度的绝热性优异，从而防止隔膜热劣化。为了实现这一目的，轴承延伸到杯的内周表面直到其接触内周表面，并且轴承与杆的接触表面形成为具有最小内径的弧形部分轴向中心。

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