[특허]Fuel nozzle with flexible support structures

Fuel nozzle with flexible support structures 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23R-003/14 F23D-011/38 F23R-003/28 F23R-003/34
출원번호	US-0107263 (2014-12-23)
등록번호	US-10190774 (2019-01-29)
국제출원번호	PCT/US2014/072028 (2014-12-23)
국제공개번호	WO2015/147935 (2015-10-01)
발명자 / 주소	Mook, Joshua Tyler Bellardi, Jason Joseph Tu, Ting-Yu
출원인 / 주소	General Electric Company
대리인 / 주소	General Electric Company
인용정보	피인용 횟수 : 0 인용 특허 : 118

초록 ▼

A fuel nozzle apparatus for a gas turbine engine includes: a fuel discharge element having a discharge orifice communicating with a fuel supply connection; a static supporting structure; and a cantilevered flexible support structure interconnecting the supporting structure and the fuel discharge element, the flexible support structure having a first end connected to the static supporting structure, and a second end connected to the fuel discharge element.

대표청구항 ▼

1. A fuel nozzle apparatus, comprising: an annular injection ring disposed coaxially along a centerline axis and having a circumferential fuel gallery therein, and including a radial array of fuel orifices communicating with the fuel gallery;an annular ring support disposed coaxially along the centerline axis and radially inward of the annular injection ring;and a support arm interconnecting the annular ring support and the annular injection ring, wherein a forward portion of the support arm joins the annular ring support at a forward junction and an aft portion of the support arm extends axially aft of the forward portion to join the annular injection ring at an aft junction,wherein the forward portion extends in a radially outward direction and the aft portion extends in a radially inward direction,wherein the annular injection ring is cantilevered from the annular ring support by way of the support arm. 2. The apparatus of claim 1 wherein the support arm is one of an array of circumferentially-spaced-apart support arms. 3. The apparatus of claim 1 wherein the support arm is a single, fully-annular structure. 4. The apparatus of claim 1 wherein each of the forward and aft junctions has a smoothly-curved, arcuate shape. 5. The apparatus of claim 4 wherein the support arm has a maximum thickness at the aft junction, tapering to a minimum thickness at a location where the aft portion joins the forward portion. 6. The apparatus of claim 1 further comprising a main fuel conduit communicating with the annular injection ring, the fuel conduit including: a first portion which extends in a generally radial direction;a second portion which is arcuate and wraps around the annular ring support; anda third portion which is axial and connects to the annular injection ring. 7. The apparatus of claim 1 further comprising: an annular outer body surrounding the annular injection ring, the annular outer body having a generally cylindrical exterior surface extending between forward and aft ends, and having a plurality of spray wells passing through the exterior surface; andan annular inner body disposed inside the annular outer body, cooperating with the outer body to define a flowpath;each fuel orifice of the radial array of fuel orifices being aligned with one spray well of the plurality of spray wells. 8. The apparatus of claim 7 further including: an annular inner body disposed inside the annular outer body;an annular venturi including a throat of minimum diameter disposed inside the annular inner bodyan annular splitter disposed inside the annular venturi;an array of outer swirl vanes extending between the annular venturi and the annular splitter;a pilot fuel injector disposed within the annular splitter; andan array of inner swirl vanes extending between the annular splitter and the pilot fuel injector. 9. The apparatus of claim 8 further including: a fuel system operable to supply a flow of liquid fuel at varying flowrates;a pilot fuel conduit coupled between the fuel system and the pilot fuel injector; and a main fuel conduit coupled between the fuel system and the annular injection ring.

이 특허에 인용된 특허 (118)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Fuel nozzle with flexible support structures 원문보기

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