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1. 发明授权

US6019115A Safety excess flow valve system with adjustable closing flow rate settings 失效
标题翻译：安全过流阀系统具有可调关闭流量设置
公开(公告)号：US6019115A
公开(公告)日：2000-02-01
申请号：US995009
申请日：1997-12-19
申请人： R. Gene Sanders
发明人： R. Gene Sanders
IPC分类号： F16K17/30
CPC分类号： F16K17/30 , Y10T137/0368 , Y10T137/7727 , Y10T137/7869 , Y10T137/7906
摘要： The present invention relates to an excess flow valve system having a sliding poppet within a chamber with an orifice at one end, wherein the closing flow rate settings can be adjusted. Precise adjustments can be made externally by turning a threaded member extending through the valve, which causes a retainer, threadably located on the member, to move laterally within the chamber. This movement causes an angled surface on the retainer to engage and slide in relation to a similarly angled surface on the poppet. As the poppet is urged toward the retainer by a coiled spring, the poppet is moved longitudinally within the chamber, either toward or away from the orifice. Turning the threaded member enables the maximum travel distance of the poppet, and therefore, the threshold flow rate of the valve, to be precisely set. Additional means for broadening the range of settings, without replacing the spring or changing the orifice size, can also be provided, such as spacers to change the spring tension and multiple phase settings on the valve housing.
摘要翻译：本发明涉及一种在具有在一端具有孔口的腔室内具有滑动提升阀的过流阀系统，其中可以调节闭合流量设定值。通过转动延伸穿过阀的螺纹构件，可以在外部进行精确的调节，这使得螺纹地位于构件上的保持器在腔室内横向移动。该运动导致保持器上的倾斜表面相对于提动阀上的类似倾斜的表面接合和滑动。当提升阀被螺旋弹簧推向保持器时，提升阀在腔室内纵向移动或朝向或远离孔口移动。旋转螺纹构件能够精确地设定提升阀的最大行程距离，因此阀的阈值流量。还可以提供用于扩大设定范围的附加装置，而不需要更换弹簧或改变孔口尺寸，例如间隔件，以改变阀壳体上的弹簧张力和多相设置。

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