发明申请
US20120255631A1 Check Valve 有权
止回阀

Check Valve
摘要:
A valve is provided. The valve includes a flapper member. A barrel is coupled to the flapper member, the barrel having an interior volume and at least one movable vane within the interior volume. A shaft member is rotationally coupled to the barrel, the barrel having at least one stationary vane disposed within the interior volume.
公开/授权文献
信息查询
0/0