公开(公告)号：US08690554B2

公开(公告)日：2014-04-08

申请号：US13183866

申请日：2011-07-15

申请人： Manuel Villagomez ,  Humberto V. Meza ,  David L. Phillips

发明人： Manuel Villagomez ,  Humberto V. Meza ,  David L. Phillips

IPC分类号： F04B39/10

CPC分类号： F04B43/02 ,  F04B43/0045 ,  F04B43/026 ,  F04B43/04 ,  F04B53/10 ,  F16K15/147 ,  Y10T137/7882 ,  Y10T137/7886

摘要： A diaphragm pump is provided that features a valve housing configured with inlet openings and outlet openings; inlet duckbill check valve assemblies, each configured to be arranged in a respective inlet opening; and outlet duckbill check valve assemblies, each configured to be arranged in a respective outlet opening; each duckbill check valve assembly comprising: a duckbill check valve seat configured with an end having a slit to open to provide the fluid and particulate, and to close to prevent the backflow of the fluid and particulate; and a duckbill check valve support having a base portion configured to be inserted inside the duckbill check valve seat, and having a W-shaped portion configured with an opening to pass the fluid and particulate through the duckbill check valve support to the duckbill check valve seat and also configured to provide support for walls of the duckbill check valve seat in response to back pressure caused by the fluid and particulate.

摘要翻译： 提供隔膜泵，其具有构造有入口开口和出口的阀壳体; 入口鸭嘴止动阀组件，每个都构造成布置在相应的入口中; 和出口鸭嘴止动阀组件，每个配置为布置在相应的出口开口中; 每个鸭嘴形止回阀组件包括：鸭嘴形止回阀座，其构造成具有开口的端部以便提供流体和颗粒并且靠近以防止流体和颗粒的回流; 鸭嘴止回阀支撑件，其具有构造成插入鸭嘴止回阀座内的基部，并且具有构造为具有开口的W形部分，以使流体和微粒通过鸭嘴止动阀支撑件到鸭嘴止回阀座 并且还构造成响应于由流体和颗粒引起的背压而为鸭嘴止回阀座的壁提供支撑。