|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||251/065; 251/133; 251/130; 403/DIG.001|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 1|
This invention relates to a rising stem valve that is magnetically actuated. A driven magnet assembly is rotatably supported in a nonmagnetic pressurizable bonnet fixed to the main valve body. The driven magnet assembly preferably comprises rare earth cobalt magnets defining an even number of north and south poles. A cylindrical holder coaxial with and surrounding said tubular bonnet is rotatably secured thereto. The holder carries driving magnets, preferably rare earth cobalt magnets with an even number of north and south poles. Rotation of the holder r...
1. A valve comprising a pressurizable valve body defining an annular valve seat, an inlet fluid passage in communication with one side of the valve seat and an outlet passage in communication with the other side of the valve seat, and a valve actuator passage extending away from the valve seat, a nonmagnetic tubular pressurizable bonnet having an extending axis passing through the space circumscribed by the annular valve seat and in direct fluid communication with the passages in said valve body, the end of the said bonnet away from the valve seat c...