发明名称 |
THERMALLY COMPENSATED VALVE TRIM APPARATUS |
摘要 |
<p>Thermally compensated valve trim apparatus are disclosed. An example valve trim apparatus includes a valve plug ( 206 ) having a recess ( 210 ), an insert ( 208 ) fixed in the recess and having an opening therein. The insert is made of a material having a greater strength than a second material of the valve plug. The example valve trim apparatus also includes a valve stem ( 204 ) having a threaded end disposed in the opening of the insert to form a valve stem connection, and a spacer ( 220 ) operatively coupled to the valve plug and vale stem to affect a load exerted on the valve stem connection in response to a change in temperature.</p> |
申请公布号 |
CA2829757(A1) |
申请公布日期 |
2012.09.27 |
申请号 |
CA20122829757 |
申请日期 |
2012.02.03 |
申请人 |
FISHER CONTROLS INTERNATIONAL LLC |
发明人 |
RICHARDSON, JONATHAN W.;GOODWIN, JUSTIN PAUL;DOYLE, JESSE CREIGHTON |
分类号 |
F16K1/48 |
主分类号 |
F16K1/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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