Narrow beam radar installation for turbine monitoring
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United States of America Patent
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-
Mar 26, 1985
Grant Date -
N/A
app pub date -
Jul 30, 1982
filing date -
Jul 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A millimeter wave radar mounted on a turbine installation for monitoring turbine blade vibration. The waveguide conducts signals from a millimeter wave radar unit outside of the turbine and directs the signal to the rotating blades and directs the reflected signals therefrom back to the radar unit. A sealing arrangement is provided where the waveguide passes through the turbine's outer casing and the waveguide itself within the turbine is positioned within a waveguide support member which extends from the aperture in the turbine casing to a point in the vicinity of the turbine blades where it is immovably supported. The waveguide additionally has an internal sealing arrangement transparent to the radar signals for maintaining pressure integrity.
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