Method for measuring piping forces acting on a turbine casing

Details Method for measuring piping forces acting on a turbine casing Method for measuring piping forces acting on a turbine casing

2005-03-15

2005-03-15

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C702S033000, C702S042000, C415S118000

Reexamination Certificate

active

06868366

ABSTRACT:
A method is disclosed to monitor deflections in a turbine casing by: positioning gap sensors on a shell standard support surface and below an opposite surface of the shell arm support; each gap sensor monitoring a gap between the shell standard support surface and shell arm support; determining change in the planar slope of the shell arm support over the period of time based on the collected data, wherein changes in the slope indicate deflections in the casing.

REFERENCES:
patent: 5374068 (1994-12-01), Jewett et al.
patent: 5509780 (1996-04-01), Synfelt
patent: 5605438 (1997-02-01), Burdgick et al.
patent: 6257829 (2001-07-01), Seeley et al.
patent: 6594555 (2003-07-01), Steingraeber
patent: 6665589 (2003-12-01), Steingraeber
patent: 20020197147 (2002-12-01), Kawai et al.

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