发明名称 DIAPHRAGM ACTUATORS HAVING ADJUSTABLE ACTUATION FORCE
摘要 Diaphragm actuators having adjustable actuation force are disclosed herein. An example apparatus includes a spring seat coupled to a diaphragm of an actuator. The spring seat is to contact a spring and is to be coupled to a stem. The diaphragm is to displace the stem based on a force provided to the diaphragm, and the stem is to control a fluid valve. The example apparatus also includes an adjuster to adjust an amount of force provided to the spring seat by the spring.
申请公布号 US2015260306(A1) 申请公布日期 2015.09.17
申请号 US201414216125 申请日期 2014.03.17
申请人 Fisher Controls International LLC 发明人 Arnold David Anthony;Adams Daniel Martin
分类号 F16K31/126 主分类号 F16K31/126
代理机构 代理人
主权项 1. An apparatus comprising: a spring seat coupled to a diaphragm of an actuator, the spring seat to contact a spring and to be coupled to a stem, the diaphragm to displace the stem based on a force provided to the diaphragm, the stem to control a fluid valve; and an adjuster to adjust an amount of force provided to the spring seat by the spring.
地址 Marshalltown IA US