[특허]Bi-directional fuel injection method

General Electric Company

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Bi-directional fuel injection method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-009/00 F23R-003/28 F23R-003/30 F23R-003/14
미국특허분류(USC)	239/125; 239/126
출원번호	US-0077719 (2011-03-31)
등록번호	US-8899494 (2014-12-02)
발명자 / 주소	Bunker, Ronald Scott Evulet, Andrei Tristan
출원인 / 주소	General Electric Company
대리인 / 주소	Agosti, Ann M.
인용정보	피인용 횟수 : 0 인용 특허 : 6

초록
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In certain embodiments, a fuel injector includes a wall separating a fuel passage from an air passage. The fuel injector also includes a fuel injection port extending from a first side of the wall to a second side of the wall for injecting a flow of fuel from the fuel passage into a flow of air in the air passage. In addition, the fuel injector includes first and second feedback lines extending from a downstream end of the fuel injection port to an upstream end of the fuel injection port. The first and second feedback lines are disposed on opposite sides...

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1. A fuel nozzle, comprising: a fuel passage through which a fuel flows;an air passage through which air flows; anda wall separating the fuel passage from the air passage, wherein the wall comprises:at least one fuel injection port extending from a first side of the wall to a second side of the wall for injecting the flow of fuel into the flow of air; andfirst and second feedback lines extending from a downstream end of the fuel injection port to an upstream end of the fuel injection port, wherein the first and second feedback lines are disposed on opposite sides of the fuel injection port, and wherein the first and second feedback lines are disposed entirely within the wall,wherein the first and second feedback lines are configured to passively induce feedback flows of fuel through the first and second feedback lines in an alternating manner such that the flow of fuel through the fuel injection port oscillates from side to side of the fuel injection port. 2. The fuel nozzle of claim 1, wherein a cross-sectional area of the fuel injection port increases from the upstream end to the downstream end. 3. The fuel nozzle of claim 1, wherein the first and second feedback lines each comprise first and second ends that are substantially orthogonal to a central axis of the flow of fuel, wherein the first end is proximate to the downstream end of the fuel injection port and the second end is proximate to the upstream end of the fuel injection port. 4. The fuel nozzle of claim 3, wherein the first and second feedback lines comprise only substantially orthogonal sections from the first end to the second end. 5. The fuel nozzle of claim 3, wherein the first and second feedback lines comprise rounded sections from the first end to the second end. 6. The fuel nozzle of claim 1, wherein cross-sectional areas of the first and second feedback lines are sized based upon an expected fuel flow rate through the fuel injection port. 7. The fuel nozzle of claim 1, wherein lengths of the first and second feedback lines are sized based upon an expected fuel flow rate through the fuel injection port. 8. The fuel nozzle of claim 1, wherein the wall comprises a plurality of fuel injection ports, and wherein cross-sectional areas of the first and second feedback lines associated with the fuel injection ports vary between fuel injection ports. 9. The fuel nozzle of claim 1, wherein the wall comprises a plurality of fuel injection ports, and wherein lengths of the first and second feedback lines associated with the fuel injection ports vary between fuel injection ports. 10. The fuel nozzle of claim 1, wherein a central axis of the flow of fuel through the fuel injection port is angled with respect to the wall. 11. A fuel injector, comprising: a wall separating a fuel passage from an air passage;a fuel injection port extending from a first side of the wall to a second side of the wall for injecting a flow of fuel from the fuel passage into a flow of air in the air passage; andfirst and second feedback lines extending from a downstream end of the fuel injection port to an upstream end of the fuel injection port, wherein the first and second feedback lines are disposed on opposite sides of the fuel injection port, and wherein the first and second feedback lines are disposed entirely within the wall, wherein the first and second feedback lines are configured to passively induce feedback flows of fuel through the first and second feedback lines in an alternating manner such that the flow of fuel through the fuel injection port oscillates from side to side of the fuel injection port. 12. The fuel injector of claim 11, wherein the first and second feedback lines each comprise first and second ends that are substantially orthogonal to a central axis of the flow of fuel, wherein the first end is proximate to the downstream end of the fuel injection port and the second end is proximate to the upstream end of the fuel injection port. 13. The fuel injector of claim 11, wherein the wall comprises a plurality of fuel injection ports, and wherein cross-sectional areas or lengths of the first and second feedback lines associated with the fuel injection ports vary between fuel injection ports. 14. The fuel injector of claim 11, wherein the cross-sectional area of the fuel injection port increases from the upstream end to the downstream end, and wherein a central axis of the flow of fuel through the fuel injection port is angled with respect to the wall. 15. A fuel injector, comprising: a wall separating a fuel passage from an air passage;a fuel injection port extending from a first side of the wall to a second side of the wall for injecting a flow of fuel from the fuel passage into a flow of air in the air passage; andfirst and second feedback lines extending from a downstream end of the fuel injection port to an upstream end of the fuel injection port, wherein the first and second feedback lines are disposed on opposite sides of the fuel injection port, and wherein the first and second feedback lines are disposed entirely within the wall,wherein the first and second feedback lines each comprise first and second ends that are substantially orthogonal to a central axis of the flow of fuel, wherein the first end is proximate to the downstream end of the fuel injection port and the second end is proximate to the upstream end of the fuel injection port. 16. A fuel injector, comprising: a wall separating a fuel passage from an air passage;a fuel injection port extending from a first side of the wall to a second side of the wall for injecting a flow of fuel from the fuel passage into a flow of air in the air passage; andfirst and second feedback lines extending from a downstream end of the fuel injection port to an upstream end of the fuel injection port, wherein the first and second feedback lines are disposed on opposite sides of the fuel injection port, and wherein the first and second feedback lines are disposed entirely within the wall,wherein the cross-sectional area of the fuel injection port increases from the upstream end to the downstream end, and wherein a central axis of the flow of fuel through the fuel injection port is angled with respect to the wall.

이 특허에 인용된 특허 (6)

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특허 상세정보

Bi-directional fuel injection method

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이 특허에 인용된 특허 (6)

IPC 상위 출원인

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특허 상세정보

Bi-directional fuel injection method

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이 특허에 인용된 특허 (6)

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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