DEVICE AND METHOD FOR SERVICE-LIFE MONITORING
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United States of America Patent
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app pub date -
Sep 9, 2009
filing date -
Sep 26, 2008
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Abandoned
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Abstract
In the case of a device and a method for monitoring the service life of an engine or of a turbine having a compressor blisk and/or a turbine blisk, momentary stresses of blisk substructures, such as the blade (1), the disk (2), and the join region (3) between the blade (1) and the disk (2), are calculated on the basis of operating parameters that are measured in the course of engine or turbine operation; and accumulated damage to the individual substructures, that was caused by the momentary stresses, is estimated.
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