Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2011-05-24
2011-05-24
Nghiem, Michael P (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
C346S0330TP
Reexamination Certificate
active
07949479
ABSTRACT:
A rotating machine, has a rotary component, which includes a memory device for storing data relating to the past use of the component. The data are associated with rotational speed and ambient temperature, which are detected by detectors either on or off the rotary component. The stored data may be the raw temperature and speed data as sampled over time, which are then used to derive values of low-cycle fatigue and creep damage. These fatigue and creep values are, in turn, correlated with the load profiles of the component to arrive at a value of elapsed lifespan for the component. Alternatively, the stored data may be the fatigue and creep values and/or, preferably, values of elapsed and remaining lifespan of the component. In a second embodiment the detectors are located on the machine casing along with an evaluation unit.
REFERENCES:
patent: 5033010 (1991-07-01), Lawrence et al.
patent: 5210704 (1993-05-01), Husseiny
patent: 6209390 (2001-04-01), LaRue et al.
patent: 6297742 (2001-10-01), Canada et al.
patent: 6449565 (2002-09-01), Budrow et al.
patent: 2005/0096873 (2005-05-01), Klein
patent: 44 27 880 (1996-02-01), None
patent: 2225125 (1990-05-01), None
patent: 64021226 (1989-02-01), None
patent: 4224203 (1992-08-01), None
patent: 6194275 (1994-07-01), None
patent: 2005024441 (2005-01-01), None
patent: 773657 (1980-10-01), None
Chin, H., Turbine Engine Hot Section Prognostics, Mar. 28, 2005, Proceedings of the 59th Mechanical Failures Prevention Technology Meeting, Virginia Beach, VA, pp. 1-9.
Ashby et al., Intelligent Maintenance Advisor for Turbine Engines, 2000 IEEE, pp. 211-219.
Applied Concept Research, Inc., Publications, Technical Papers, 2002-2005, pp. 1-3.
DeAnna, R., Wireless Telemetry for Gas-Turbine Applications, Mar. 2000, NASA/TM-2000-209815, 20 pp.
Brown James
Heyes Francis
Nilsson Ulf
Wilson Stephen
Egbert Law Offices PLLC
Le Toan M
Napier Turbochargers Limited
Nghiem Michael P
LandOfFree
In on or relating to rotating machines does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with In on or relating to rotating machines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In on or relating to rotating machines will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2648615