发明名称 APPARATUS TO SEAL A SHAFT TO A DIAPHRAGM FOR USE IN DIAPHRAGM ACTUATORS
摘要 Apparatus to seal a shaft to a diaphragm in a diaphragm actuator are disclosed. An example apparatus for use in a diaphragm actuator has a central aperture and an integral sealing protrusion disposed about a circumference of the central aperture. The sealing protrusion is configured to sealingly engage a shaft of the diaphragm actuator.
申请公布号 US2008149877(A1) 申请公布日期 2008.06.26
申请号 US20060615406 申请日期 2006.12.22
申请人 BESSMAN JOHN CARL 发明人 BESSMAN JOHN CARL
分类号 F16K1/32 主分类号 F16K1/32
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