|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/5278 ; 137/5157|
|발명자 / 주소|
|인용정보||피인용 횟수 : 27 인용 특허 : 0|
A check valve, comprising in combination, a valve body defining a cylindrical passage for fluid flow therethrough from an upstream side to a downstream side of said valve body; a step on said upstream side for retaining a disc thereon; a hollow cylindrical support with top and bottom portions mounted on the downstream side of said valve body around said defined passage with a straight retaining groove towards the top portion of said hollow cylindrical support for retaining a shaft; a circular disc valve with a disc face sized to seal off said defined pas...
In a check valve comprising a valve body having a stepped bore providing an inlet bore, an outlet bore of greater diameter than said inlet bore and a wall extending laterally of and between said inlet and outlet bores, providing a valve seat, a circular valve support having its periphery detachably mating with said outlet bore and an end face positioned against said valve body wall, said valve support having a bore of a greater diameter than said inlet bore, a disc valve being of a smaller diameter than and positioned in said valve support bore and being...