|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 9|
A check valve having a faceplate and an insert assembly. The faceplate and insert assembly have a stepwise cross-section in the direction of a forward fluid flow through the check valve. The stepwise cross-section is designed for placement of the faceplate and insert into a complementary shaped valve body. The faceplate defines at least two sections through which the fluid flowing through the check valve flows. The moving parts of the check valve, doors and hinges, are mounted on the insert such that the parts are not impacted by the fluid flow, thereby ...
1. A check valve for permitting a flow of a fluid in a forward direction and restricting the flow of the fluid in a reverse direction, the check valve comprising:a faceplate including a forward surface and a reverse surface and defining a faceplate opening having a faceplate opening perimeter, at least one rib positioned within the faceplate opening such as to subdivide the faceplate opening into sections, each rib having a reverse face, each section having a continuous section perimeter with a portion thereof being coincident with a portion of the facep...