[특허]"Get home" oil supply and scavenge system

General Electric Company

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

"Get home" oil supply and scavenge system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/06
미국특허분류(USC)	060/772; 060/039.08; 184/006.11
출원번호	US-0770783 (2004-02-03)
등록번호	US-7426834 (2008-09-23)
발명자 / 주소	Granitz,Charles Robert Zentgraf,Mark Eden
출원인 / 주소	General Electric Company
대리인 / 주소	Andes, Esq.,William Scott
인용정보	피인용 횟수 : 11 인용 특허 : 10

초록
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A method facilitates assembling a gas turbine engine that includes an oil supply and scavenge system, wherein the oil supply and scavenge system includes at least one sump cavity that includes a first scavenge port and a second scavenge port, a first oil pump and a second oil pump such that the first oil pump is in flow communication with and receives scavenge oil from the first scavenge port and the second oil pump is in flow communication with and receives scavenge oil from the second scavenge port. In addition, an oil supply source is coupled in flow ...

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What is claimed is: 1. A method of assembling a gas turbine engine, said method comprising the steps of: providing an oil supply and scavenge system including at least one sump cavity that includes a first scavenge port and a second scavenge port; providing a first oil pump that includes a first oil supply element and a first scavenging element and a second oil pump that includes a second oil supply element and a second scavenging element; coupling the first oil pump and the second oil pump in flow communication with the oil supply and scavenge system, such that the first oil pump is in flow communication with, and receives scavenge oil from, the first scavenge port via the first scavenging element and such that the second oil pump is in flow communication with, and receives scavenge oil from, the second scavenge port via the second scavenging element; coupling the first oil supply element in flow communication to an oil supply source for receiving oil therefrom; coupling the second oil supply element in flow communication to the oil supply source for receiving oil therefrom; and coupling an output of the second oil supply element to the output of the first oil supply element to provide a combined output flow. 2. A method in accordance with claim 1 wherein the gas turbine engine includes a gearbox, said method further comprises: drivingly coupling the first oil pump to the gearbox at a first gearbox location; and drivingly coupling the second oil pump to the gearbox at a second gearbox location that is different than the first gearbox location. 3. A method in accordance with claim 1 wherein said method further comprises coupling the first and second oil pumps in flow communication with a heat exchanger and an oil filter. 4. A method in accordance with claim 1 wherein coupling a first oil pump and a second oil pump in flow communication with the oil supply and scavenge system further comprises coupling the first and second oil pumps to the oil supply and scavenge system such that each pump can individually circulate a sufficient volume of oil through the system to sustain operation of the gas turbine engine during operation. 5. A method in accordance with claim 1 further comprising coupling a plurality of sump cavities in flow communication to the oil supply and scavenge system. 6. A method in accordance with claim 1 further comprising: coupling at least one check valve in flow communication with the first oil pump; coupling at least one check valve in flow communication with the second oil pump, such that each respective check valve prevents back flow through a respective oil pump during operation of the engine. 7. A method in accordance with claim 6 wherein the method further comprises providing an alert in the event of the failure of one or more of the said first and the second oil pump. 8. An oil supply and scavenge system for a gas turbine engine, said oil supply and scavenge system comprising: at least one sump cavity; an oil supply source; a first scavenge port and a second scavenge port each coupled in flow communication with said at least one sump cavity; a first oil pump comprising a first oil supply element and a first scavenging element, wherein said first scavenging element is coupled in flow communication with said first scavenge port for receiving scavenge oil therefrom, and wherein said first oil supply element is coupled in flow communication with said oil supply source for receiving oil therefrom; and a second oil pump comprising a second oil supply element and a second scavenging element, wherein said second scavenging element is coupled in flow communication with said second scavenge port for receiving scavenge oil therefrom, and wherein said second oil supply element is coupled in flow communication with said oil supply source for receiving oil therefrom, the first oil supply element having an output fluidly coupled to an output of the second oil supply element to provide a combined output flow. 9. An oil supply and scavenge system in accordance with claim 8 wherein said first and second oil pumps are each operatively coupled to an engine gearbox. 10. An oil supply and scavenge system in accordance with claim 9 wherein said first oil pump is drivingly coupled to the engine gearbox at a first gearbox location, said second oil pump is drivingly coupled to the gearbox at a second gearbox location that is different than the first gearbox location, such that each of said first and second oil pumps is individually capable of continued engine operation during a period of loss of power to said remaining oil pump. 11. An oil supply and scavenge system in accordance with claim 8 wherein said first and second oil pumps are each coupled in flow communication with a heat exchanger. 12. An oil supply and scavenge system in accordance with claim 8 wherein said first and second oil pumps are each coupled in flow communication with an oil filter. 13. An oil supply and scavenge system in accordance with claim 8 wherein each of said first and second oil pumps can individually sustain operation of said gas turbine engine at flight sustaining power levels. 14. An oil supply and scavenge system in accordance with claim 8 further comprising a plurality of sump cavities coupled in flow communication to the oil supply and scavenge system. 15. An oil supply and scavenge system in accordance with claim 8 wherein at least one check valve is in flow communication with said first oil pump and at least one check valve is in flow communication with said second oil pump, said check valves configured to prevent back flow through said first and second oil pumps, respectively. 16. An oil supply and scavenge system in accordance with claim 8 wherein said oil supply and scavenge system is configured to indicate an alert in the event of a failure of one or more of said first and second oil pump. 17. A gas turbine engine comprising; a gearbox coupled to said gas turbine engine; an oil supply and scavenge system, said oil supply and scavenge system comprising at least one sump cavity and an oil supply source; said oil supply and scavenge system further comprising a first scavenge port and a second scavenge port each coupled in flow communication with said at least one sump cavity; a first oil pump comprising a first oil supply element and a first scavenging element, wherein said first scavenging element is coupled in flow communication with said first scavenge port for receiving scavenge oil therefrom and wherein said first oil supply element is coupled in flow communication with said oil supply for receiving oil therefrom; and a second oil pump comprising a second oil supply element and a second scavenging element, wherein said second scavenging element is coupled in flow communication with said second scavenge port for receiving scavenge oil therefrom and wherein said second oil supply element is coupled in flow communication with said oil supply for receiving oil therefrom, the first oil supply element having an output fluidly coupled to an output of the second oil supply element to provide a combined output flow. 18. A gas turbine engine in accordance with claim 17 wherein said first oil pump is drivingly coupled to the engine gearbox at a first gearbox location and said second oil pump is drivingly coupled to the engine gearbox at a second gearbox location that is different than the first gearbox location, each of said first and second oil pumps is capable of supplying a predetermined flow of oil to support continued engine operation during a period of loss of power to the remaining oil pump. 19. A gas turbine engine in accordance with claim 17 wherein each of said first and second oil pumps can individually sustain operation of said engine at flight sustaining power levels. 20. A gas turbine engine in accordance with claim 17 further comprising: at least one check valve in flow communication with said first oil pump, at least one cheek valve in flow communication with said second oil pump, such that each respective check valve prevents back flow through a respective oil pump during engine operation; and said an oil supply and scavenge system is configured to initiate an alert in the event of the failure of one or more of said first and second oil pumps.

이 특허에 인용된 특허 (10)

이 특허를 인용한 특허 피인용횟수: 11

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"Get home" oil supply and scavenge system

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"Get home" oil supply and scavenge system

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이 특허에 인용된 특허 (10)

이 특허를 인용한 특허 피인용횟수: 11

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