Check-valve construction
作者： Paul D. Weiss
DOI:
关键词: Spring (mathematics) 、 Structural engineering 、 Check valve 、 Single axis 、 Geology 、 Closure (topology)
摘要: The invention contemplates a combined closure spring and upstop having particular application to check valves multiple valve members. is illustrated by one embodiment involving two members hinged on single axis oriented diametrically of the valve-flow passage, another more than separate axes tangentially passage.
lens.org 参考文章(3)
Frank W Tybus, Surge or back flow valve ,(1956)
Fred R Long, Pendulum-type ball check valve ,(1948)
Clarence L Vogt, Pressure relief valve ,(1970)