Apparatus and method for determining gas turbine engine life

Details Apparatus and method for determining gas turbine engine life Apparatus and method for determining gas turbine engine life

1993-12-27

1995-09-05

Raevis, Robert

Measuring and testing

Test stand

For engine

G01M 1500

Patent

active

054470595

ABSTRACT:
An apparatus and method is provided for determining and recording the life and run values of a gas turbine engine. A starter drop out sensor and a turbine inlet temperature sensor delivers a respective drop out and turbine temperature signal. A receiving device receives the signals and advances the life recorder a predetermined amount based on a linear failure prediction curve for each completed turbine engine start in response to the turbine inlet temperature being greater than a set point value and the starter drop out signal being received. The receiving means also delivers a signal to enable advancement of the run recorder in response to the sensed turbine inlet temperature exceeding the set point value. A generating device delivers a signal to advance the life recorder an amount for the sensed turbine temperature based on a turbine life curve having turbine temperature to voltage coordinates.

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patent: 3362217 (1968-01-01), Evans et al.
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patent: 3584507 (1971-06-01), Hohenberg
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patent: 4135246 (1979-01-01), McMannis
patent: 5042295 (1991-08-01), Seeley

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