Gas turbine engine oil consumption monitoring system and method
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
G06G-007/70
출원번호
US-0498957
(2009-07-07)
등록번호
US-8401760
(2013-03-19)
발명자
/ 주소
Payne, David A.
Riley, Harold
출원인 / 주소
Honeywell International Inc.
대리인 / 주소
Ingrassia Fisher & Lorenz, P.C.
인용정보
피인용 횟수 :
2인용 특허 :
23
초록▼
A system and method of monitoring oil consumption in a gas turbine engine system are provided. When the gas turbine engine is not running the reservoir oil level, reservoir oil temperature, and reservoir attitude are sensed. The current gas turbine engine system oil quantity is determined based on a
A system and method of monitoring oil consumption in a gas turbine engine system are provided. When the gas turbine engine is not running the reservoir oil level, reservoir oil temperature, and reservoir attitude are sensed. The current gas turbine engine system oil quantity is determined based on at least the sensed reservoir oil level, the sensed reservoir oil temperature, and the sensed reservoir attitude. When a predetermined event has occurred, an average gas turbine engine system oil quantity is automatically calculated. The gas turbine engine system oil consumption rate is determined from a plurality of the average oil quantities.
대표청구항▼
1. A method of monitoring oil consumption in a gas turbine engine, comprising the steps of: sensing reservoir oil level when the gas turbine engine is not running;sensing reservoir oil temperature when the gas turbine engine is not running;sensing reservoir attitude when the gas turbine engine is no
1. A method of monitoring oil consumption in a gas turbine engine, comprising the steps of: sensing reservoir oil level when the gas turbine engine is not running;sensing reservoir oil temperature when the gas turbine engine is not running;sensing reservoir attitude when the gas turbine engine is not running;determining current gas turbine engine system oil quantity based on at least the sensed reservoir oil level, the sensed reservoir oil temperature, the sensed reservoir attitude, and a predetermined engine retention amount, the predetermined engine retention amount at least substantially equal to an amount of oil retained in the gas turbine engine after the gas turbine engine has been started at least once and when the gas turbine engine is not running;determining that a predetermined event has occurred;automatically calculating an average gas turbine engine system oil quantity after the predetermined event has occurred; anddetermining gas turbine engine system oil consumption rate from a plurality of calculated average oil quantities. 2. The method of claim 1, further comprising: measuring gas turbine engine running time;calculating the total gas turbine engine running time between each occurrence of the predetermined event; anddetermining gas turbine engine system oil consumption rate from the plurality of determined average oil quantities and a plurality of calculated total gas turbine engine running times. 3. The method of claim 1, further comprising: determining when oil has been added to the gas turbine engine system; andresetting at least a portion of the determined gas turbine engine system oil quantities to zero. 4. The method of claim 3, wherein the step of determining when oil has been added to the gas turbine engine system comprises: storing a previously determined gas turbine engine system oil quantity;adding a predetermined minimum fill quantity to the previously determined gas turbine engine system oil quantity to obtain a summed oil quantity;comparing the current gas turbine engine system oil quantity to the summed oil quantity; anddetermining that oil has been added to the gas turbine engine system if the current gas turbine engine system oil quantity is greater than the summed oil quantity. 5. The method of claim 1, further comprising: determining an amount of air in the oil; anddetermining the current gas turbine engine system oil quantity based additionally on the determined amount of air in the oil. 6. The method of claim 1, further comprising: determining the current gas turbine engine system oil quantity based additionally on oil type. 7. The method of claim 1, wherein the predetermined event is a predetermined number of gas turbine engine starts. 8. The method of claim 1, wherein the predetermined event is a predetermined amount of gas turbine engine running time. 9. A gas turbine engine oil consumption monitoring system, comprising: a level sensor configured to sense oil level in a reservoir and supply a level signal representative thereof;a temperature sensor configured to sense oil temperature in the reservoir and supply a temperature signal representative thereof;an attitude sensor configured to sense reservoir attitude and supply an attitude signal representative thereof; anda processor coupled to receive the level signal, the temperature signal, and the attitude signal, the processor adapted to receive a signal that indicates a gas turbine engine is not running and configured, upon receipt thereof, to selectively determine current gas turbine engine system oil quantity based on at least the level signal, the temperature signal, the attitude signal, and a predetermined engine retention amount that is at least substantially equal to an amount of oil retained in the gas turbine engine after the gas turbine engine has been started at least once and when the gas turbine engine is not running, the processor further configured to: determine that a predetermined event has occurred,automatically calculate an average gas turbine engine system oil quantity after the predetermined event has occurred, anddetermine gas turbine engine system oil consumption rate from a plurality of calculated average oil quantities. 10. The system of claim 9, wherein the processor is further configured to: track gas turbine engine running time;calculate a total gas turbine engine running time between each occurrence of the predetermined event; anddetermine the gas turbine engine system oil consumption rate from the plurality of determined average oil quantities and a plurality of calculated total gas turbine engine running times. 11. The system of claim 9, wherein the processor is further configured to: determine when oil has been added to the gas turbine engine system; andreset at least a portion of the determined gas turbine engine system oil quantities to zero. 12. The system of claim 11, wherein the processor is further configured to: store a previously determined gas turbine engine system oil quantity;add a predetermined minimum fill quantity to the previously determined gas turbine engine system oil quantity to obtain a summed oil quantity;compare the current gas turbine engine system oil quantity to the summed oil quantity; anddetermine that oil has been added to the gas turbine engine system if the current gas turbine engine system oil quantity is greater than the summed oil quantity. 13. The system of claim 9, wherein the processor is further configured to: calculate an amount of air in the oil; anddetermine the current gas turbine engine system oil quantity based additionally on the determined amount of air in the oil. 14. The system of claim 9, wherein the processor is further configured to: receive a signal representative of oil type used in the gas turbine engine system; anddetermine the current gas turbine engine system oil quantity based additionally on oil type. 15. The system of claim 9, wherein the predetermined event is a predetermined number of gas turbine engine starts. 16. The system of claim 9, wherein the predetermined event is a predetermined amount of gas turbine engine running time.
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