G - Physics – 01 – J
Patent
G - Physics
01
J
60/137, 73/178
G01J 5/04 (2006.01) G01J 5/48 (2006.01)
Patent
CA 1248358
Abstract A sight tube assembly, in combination with a sensing instrument, such as an optical pyrometer, for use in continuously monitoring the temperature of the first row of rotating blades in large gas turbines, particularly the type used in industry. Temperature data received by the pyrometer unit is fed to a control circuit, which regulates fuel input to the turbine to control the firing temperature. The key to obtaining reliable blade temperature data in the practice of this invention is the position of the sight tube in the tur- binej which enables the pyrometer to "view" the rotating blades along a direct line of sight that penetrates a hot gas duct, but not the turbine section of the engine.
483410
Smart & Biggar
The Dow Chemical Company
LandOfFree
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