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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||251/635 ; 251/367 ; 251/3353|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 24 인용 특허 : 6|
A valve body includes a chamber for the flow of fluid between an inlet and an outlet thereto. The chamber includes an upper portion with an opening therethrough and a lower portion including a valve seat between the inlet and outlet. A bonnet is positioned in the chamber upper portion and is connected to the valve body and extends upwardly therefrom. The bonnet includes a passageway, and a stem is positioned in the passageway for longitudinal movement into and out of sealing relation with the valve seat. An air operator is connected to the upper end of t...
A valve comprising, a valve body having a valve chamber therein, said valve chamber including an upper portion with an opening therethrough and a lower portion having a valve seat, inlet and outlet openings extending through said valve body and communicating with said valve seat, a bonnet positioned in said chamber upper portion and connected to said valve body, said bonnet having a passageway therethrough aligned with said chamber, a stem positioned for longitudinal movement in said bonnet passageway and including a lower end portion extending into said...