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公开(公告)号：US20190323910A1
公开(公告)日：2019-10-24
申请号：US16464980
申请日：2016-11-30
申请人： Arvos Ljungstrom LLC
发明人： David W. Bintz , Travis N. Tozer
摘要： A trunnion bolt monitoring system for an air preheater trunnion has a plurality of trunnion bolts through which extends a respective blind bore each in gas tight connection at its open end to a pressurized manifold comprising piping and T-fittings. Depressurisation of the manifold indicative of fatigue cracking of any one bolt is detected by electrical monitoring of three pressure sensors.
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