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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||251/314 ; 251/309 ; 251/DIG ; 1 ; 251/209|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 12 인용 특허 : 0|
A rotary plug valve having a plug member rotatable in a valve housing between an opened position and a closed position, the housing member having a valve seat therein with a first passage opening to the seat and a second passage opening to the seat, and sealing means such as an endless sealing ring and an endless groove encircling one of the openings of the first and second passages to the seat. The rotary plug valve is capable of two-way flow therethrough, and this is realized by providing the passage in the plug member which has the sealing means encir...
A rotary plug valve capable of having fluid flow therethrough in either direction, said plug valve comprising: a housing member having a valve seat therein, a first passage having a port opening to said valve seat and a second passage having a port opening to said valve seat; a plug member having a flow passgeway therethrough with ports at its ends, said plug member being rotatable on an axis in said valve seat between a fully opened position wherein the ports of the flow passageway therethrough axially align respectively with said port openings of said ...