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61. 发明授权

US4708169A Pneumatic pressure gauge 失效
标题翻译：气动压力表
公开(公告)号：US4708169A
公开(公告)日：1987-11-24
申请号：US930579
申请日：1986-11-13
申请人： Jackson Liu
发明人： Jackson Liu
IPC分类号： B60S5/04 , G01L17/00 , F16K37/00
CPC分类号： G01L17/00 , B60S5/043 , Y10S116/07 , Y10T137/3662 , Y10T137/3709 , Y10T137/8326
摘要： An improved pneumatic pressure gauge used in inflating a pneumatic tire comprises an adapter means having a gas passage extending from a gas inlet end to a gas outlet end, and a gauge casing connected integrally to the adapter member. The gauge casing includes a gauge chamber, an opening intercommunicating the gas passage and the gauge chamber, a control chamber communicated with the gauge chamber, and a gas release passage opened to atmosphere and communicated with the control chamber. A first valve means is disposed to close the communication between the gas passage and the gauge chamber, and a second pressure responsive valve means is disposed in the control chamber to close the communication between the control chamber and the gas release passage. The valve means are opened when the pressure in the tire or the gas passage exceeds the predetermined pressure.
摘要翻译：用于对充气轮胎充气的改进的气压计包括具有从气体入口端延伸到气体出口端的气体通道的适配器装置和与适配器构件整体连接的量规壳体。仪表壳体包括测量室，将气体通道与测量室相连通的开口，与测量室连通的控制室，以及通向大气并与控制室连通的气体释放通道。第一阀装置设置成封闭气体通道和量规室之间的连通，并且第二压力响应阀装置设置在控制室中以封闭控制室和气体释放通道之间的连通。当轮胎或气体通道中的压力超过预定压力时，阀装置打开。

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