SOFT SEATED ROTARY VALVE
申请(专利)号： CA19710110824
专利号： CA939323A 主分类号： F16K5/18 申请权利人： MUELLER CO.
公开国代码： CA 优先权国家： US
摘 要：
A rotary valve assembly is provided having a valve housing member and a rotary valve arranged therein. The valve housing is provided with an inlet and an outlet opening into a central chamber. Spaced above the central chamber is an opening for the insertion into the central chamber of a unitary structure. A
cylindrical roller made of resilient material is carried by the unitary valve structure for movement within the central chamber between open and closed positions. The cylindrical roller is designed to provide a snap-in action when it is disposed either in open or closed positions. The roller will have a rotary movement about its own axis, and it will also have a bodily movement in a circular path about a
central axis in the chamber. The roller has inwardly tapered or frusto-conical ends whereby it will be resiliently and tightly disposed within an oblong port in the central chamber to define the closed position. A second cylindrical roller may also be provided on the unitary valve
申请日： 0000-00-00 公开公告日： 1974-01-01
分类号： F16K5/18
发明设计人： FINNEY, ROBERT
R.;
HAUFFE, WILLIAM L. 申请国代码： CA
优先权： 19700428 US
3270870
摘 要 附 图：
structure, diametrically opposed from and of identical or substantially identical construction to the first cylindrical roller whereby the two rollers will be designed simultaneously to be closed to seal both the inlet and the outlet into the central chamber. Grooves or blind seats are provided in the central chamber for the reception of the rollers to indicate the open position. 主权项：
权 利 要 求 说 明 书
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SOFT SEATED ROTARY VALVE
