Oil debris monitoring (ODM) using active valve configuration control
First Claim
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1. A gas turbine engine with oil debris monitoring comprising:
- an oil debris monitor sensor configured to detect oil debris in an oil flow, and generate a sensor signal based on the detected oil debris;
a controller configured to control the oil flow through the oil debris monitor sensor using a plurality of valves; and
a signal processor configured to receive the sensor signal from the oil debris monitor and to receive a valve system configuration from the controller indicating a load applied to the plurality of valves, the signal processor further configured to generate a health indicator based on the detected oil debris indicated by the sensor signal and the load indicated by the valve system configuration,wherein the plurality of valves further comprises;
a bypass oil flow path that bypasses the oil debris monitor sensor;
an oil flow bypass valve connected in parallel with the oil debris monitor sensor, the oil flow bypass valve configured to control an amount of oil that flows through the bypass oil flow path; and
an oil flow regulator valve connected in series with the oil debris monitor sensor, the oil flow regulator valve configured to control an amount of input oil flow delivered to the oil debris monitor sensor.
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Abstract
A gas turbine engine, a method, and a system for detecting oil debris are provided. The gas turbine engine includes an oil debris monitor sensor configured to detects oil debris in an oil flow, and generate a sensor signal based on the detected oil debris, a controller configured to control the oil flow through the oil debris monitor sensor using a plurality of valves, and a signal processor configured to receive the sensor signal from the oil debris monitor and to receive a valve system configuration from the controller, the signal processor further configured to generates a health indicator based on the sensor signal and valve configuration.
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Citations
18 Claims
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1. A gas turbine engine with oil debris monitoring comprising:
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an oil debris monitor sensor configured to detect oil debris in an oil flow, and generate a sensor signal based on the detected oil debris; a controller configured to control the oil flow through the oil debris monitor sensor using a plurality of valves; and a signal processor configured to receive the sensor signal from the oil debris monitor and to receive a valve system configuration from the controller indicating a load applied to the plurality of valves, the signal processor further configured to generate a health indicator based on the detected oil debris indicated by the sensor signal and the load indicated by the valve system configuration, wherein the plurality of valves further comprises; a bypass oil flow path that bypasses the oil debris monitor sensor; an oil flow bypass valve connected in parallel with the oil debris monitor sensor, the oil flow bypass valve configured to control an amount of oil that flows through the bypass oil flow path; and an oil flow regulator valve connected in series with the oil debris monitor sensor, the oil flow regulator valve configured to control an amount of input oil flow delivered to the oil debris monitor sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer implemented method for oil debris monitoring in a gas turbine engine, the method comprising:
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generating control signals to control an oil flow using a plurality of valves in response to a sensor signal indicating oil debris in the oil flow, the plurality of valves determining the oil flow through an oil debris monitor sensor; receiving a valve system configuration indicating a load applied to the plurality of valves; generating, using a signal processor, a health indicator based on the oil debris indicated by the sensor signal and the load indicated by the valve system configuration; and adjusting, via a controller, the valve system configuration using the control signals to control the plurality of valves to control the oil flow through the oil debris monitor sensor wherein the plurality of valves comprises; a bypass oil flow path that bypasses the oil debris monitor sensor; an oil flow bypass valve connected in parallel with the oil debris monitor sensor, the oil flow bypass valve configured to control an amount of oil that flows through the bypass oil flow path; and an oil flow regulator valve connected in series with the oil debris monitor sensor, the oil flow regulator valve configured to control an amount of input oil flow delivered to the oil debris monitor sensor. - View Dependent Claims (14, 15, 16, 17)
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18. A computer program product for oil debris monitoring in a gas turbine engine, the computer program product comprising a non-transitory computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to:
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generate control signals to control an oil flow using a plurality of valves in response to a sensor signal indicating oil debris in the oil flow, the plurality of valves determining the oil flow through an oil debris monitor sensor; receive a valve system configuration indicating a load applied to the plurality of valves; generate a health indicator based on the oil debris indicated by the sensor signal and the load indicated by the valve system configuration; and adjusting, via a controller, the valve system configuration using the control signals to control the plurality of valves to control the oil flow through the oil debris monitor sensor, wherein the plurality of valves comprises; a bypass oil flow path that bypasses the oil debris monitor sensor; an oil flow bypass valve connected in parallel with the oil debris monitor sensor, the oil flow bypass valve configured to control an amount of oil that flows through the bypass oil flow path; and an oil flow regulator valve connected in series with the oil debris monitor sensor, the oil flow regulator valve configured to control an amount of input oil flow delivered to the oil debris monitor sensor.
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Specification