JP5511140B2 - 二段燃料噴射器 - Google Patents
二段燃料噴射器 Download PDFInfo
- Publication number
- JP5511140B2 JP5511140B2 JP2008009076A JP2008009076A JP5511140B2 JP 5511140 B2 JP5511140 B2 JP 5511140B2 JP 2008009076 A JP2008009076 A JP 2008009076A JP 2008009076 A JP2008009076 A JP 2008009076A JP 5511140 B2 JP5511140 B2 JP 5511140B2
- Authority
- JP
- Japan
- Prior art keywords
- primary
- valve
- fuel
- inner body
- secondary valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims description 62
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000001595 flow curve Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/232—Fuel valves; Draining valves or systems
Description
2 燃料フィルタ
3 燃料入り口オリフィス
4 ダイヤフラム
5 中央オリフィス
6 ベアリング座
7 一次バルブ
8 内側本体
9 穿孔
10 二次バルブ
11 バネ
12、23 カラー
13 中央空洞
14 孔
15 スロット
16 下流側本体
17 二次燃料放出導管
18 一次燃料放出導管
19 環状スロット
20 チャンバ
21、22 オリフィス
28 弱いバネ
Claims (4)
- 二段燃料噴射器であって、
直列に配置され、かつ閉じた位置に付勢された2つのバルブ(7、10)を備え、前記2つのバルブは、一次燃料経路に配置された一次バルブ(7)、および二次燃料経路に配置された二次バルブ(10)を含み、一次燃料経路および二次燃料経路は、一次バルブ(7)の下流側で分岐し、二段燃料噴射器が、
さらに内側本体(8)を備え、該内側本体(8)内を二次バルブが滑動し、かつ内側本体(8)が一次燃料経路(19)の境界を定め、一次燃料経路(19)が、内側本体(8)を囲み、
二次燃料経路が、二次バルブの中央空洞(13)と、周辺と中央空洞との間で二次バルブ(10)を径方向に貫通する少なくとも1つの孔(14)とを備え、二段燃料噴射器が、
さらに少なくとも1つのオリフィス(21)を備え、該オリフィス(21)が、二次バルブ(10)が閉じた位置にあるとき、一次燃料経路(19)と二次バルブとの間で内側本体を貫通し、かつ二次バルブ(10)の壁の連続する部分のすぐ下流側の孔(14)に開口し、
内側本体(8)を貫通するオリフィス(21)が、二次燃料経路の上流側端部に向かう方向に孔(14)の端部部分に開口し、二次バルブが変位されると、前記オリフィス(21)は、二次バルブによって閉鎖されかつ二次流れが確立され、前記二段燃料噴射器によって供給される混合物の濃縮が終了することを特徴とする、二段燃料噴射器。 - 一次燃料経路が、噴射器の周辺ブッシュ(1)まで延在する、内側本体(8)のカラー(23)を貫通する少なくとも1つのオリフィス(22)を備えることを特徴とする、請求項1に記載の二段燃料噴射器。
- 請求項1に記載の少なくとも1つの二段燃料噴射器を備える、燃焼チャンバ。
- 請求項3に記載の燃焼チャンバを備える、ガスタービン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0752804A FR2911665B1 (fr) | 2007-01-22 | 2007-01-22 | Injecteur de carburant a deux etages. |
FR0752804 | 2007-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008175523A JP2008175523A (ja) | 2008-07-31 |
JP5511140B2 true JP5511140B2 (ja) | 2014-06-04 |
Family
ID=38468937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008009076A Active JP5511140B2 (ja) | 2007-01-22 | 2008-01-18 | 二段燃料噴射器 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7896260B2 (ja) |
EP (1) | EP1947310B1 (ja) |
JP (1) | JP5511140B2 (ja) |
CN (1) | CN101230987B (ja) |
CA (1) | CA2619921C (ja) |
FR (1) | FR2911665B1 (ja) |
RU (1) | RU2471081C2 (ja) |
SG (1) | SG144852A1 (ja) |
UA (1) | UA96267C2 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8291707B2 (en) * | 2008-08-18 | 2012-10-23 | Delavan Inc | Multi-stage check valve |
CN103765099B (zh) * | 2011-08-19 | 2016-09-28 | 伍德沃德公司 | 分级式冷却流喷嘴阀 |
FR2987429B1 (fr) * | 2012-02-24 | 2014-03-07 | Snecma | Injecteur de carburant pour une turbomachine |
FR2987430B1 (fr) * | 2012-02-24 | 2014-02-28 | Snecma | Injecteur de carburant pour une turbomachine |
FR3003013B1 (fr) * | 2013-03-05 | 2016-07-29 | Snecma | Dispositif de dosage compact pour injecteur a deux circuits de carburant, de preference pour turbomachine d'aeronef |
FR3011619B1 (fr) * | 2013-10-08 | 2018-03-02 | Safran Aircraft Engines | Injecteur de carburant pour une turbomachine |
US9803555B2 (en) * | 2014-04-23 | 2017-10-31 | General Electric Company | Fuel delivery system with moveably attached fuel tube |
EP3153700A1 (en) * | 2015-10-08 | 2017-04-12 | Continental Automotive GmbH | Valve assembly for an injection valve, injection valve and method for assembling an injection valve |
ITUA20163988A1 (it) * | 2016-05-31 | 2017-12-01 | Nuovo Pignone Tecnologie Srl | Ugello carburante per una turbina a gas con swirler radiale e swirler assiale e turbina a gas / fuel nozzle for a gas turbine with radial swirler and axial swirler and gas turbine |
CN107023401A (zh) * | 2017-05-28 | 2017-08-08 | 西安成立航空制造有限公司 | 一种航空发动机燃油喷嘴用预燃级副油路活门及其使用方法 |
CN107013339B (zh) * | 2017-05-28 | 2023-09-26 | 中国航发商用航空发动机有限责任公司 | 航空发动机燃油喷嘴用主燃级主油路活门及其使用方法 |
FR3078142B1 (fr) * | 2018-02-22 | 2020-03-20 | Safran Aircraft Engines | Chambre de combustion comportant deux types d'injecteurs dans lesquels les organes d'etancheite ont un seuil d'ouverture different |
CN109827192B (zh) * | 2019-03-29 | 2024-04-09 | 中国船舶重工集团公司第七0三研究所 | 一种双油路双旋流结构的空气雾化喷嘴 |
FR3103522B1 (fr) | 2019-11-25 | 2022-11-04 | Safran Aircraft Engines | Dispositif d’injection de carburant |
CN111691982B (zh) * | 2020-05-25 | 2021-07-23 | 湖南航翔燃气轮机有限公司 | 燃油供应控制阀及具有其的燃油供应系统 |
US11346281B2 (en) * | 2020-08-21 | 2022-05-31 | Woodward, Inc. | Dual schedule flow divider valve, system, and method for use therein |
CN112432203B (zh) * | 2020-10-20 | 2023-04-07 | 中国航发沈阳发动机研究所 | 一种双油路喷嘴试验件 |
US11913381B1 (en) | 2022-08-26 | 2024-02-27 | Hamilton Sundstrand Corporation | Force modification of passive spool for control of secondary nozzle circuits |
US11970976B2 (en) | 2022-08-26 | 2024-04-30 | Hamilton Sundstrand Corporation | Variable restriction of fuel nozzle with an auxiliary circuit |
US11970977B2 (en) | 2022-08-26 | 2024-04-30 | Hamilton Sundstrand Corporation | Variable restriction of a secondary circuit of a fuel injector |
US11913382B1 (en) * | 2022-08-26 | 2024-02-27 | Hamilton Sundstrand Corporation | Variable restriction of a fuel circuit of a fuel nozzle |
CN117738797B (zh) * | 2024-02-21 | 2024-04-16 | 中国航发四川燃气涡轮研究院 | 主油路活门 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2134244A (en) * | 1935-03-18 | 1938-10-25 | Richard Bates | Retort |
US3662959A (en) * | 1970-08-07 | 1972-05-16 | Parker Hannifin Corp | Fuel injection nozzle |
US4491272A (en) * | 1983-01-27 | 1985-01-01 | Ex-Cell-O Corporation | Pressure atomizing fuel injection assembly |
US4570668A (en) * | 1984-01-16 | 1986-02-18 | Parker-Hannifin Corporation | Flow dividing valve |
JPS61135979A (ja) * | 1984-12-04 | 1986-06-23 | Nissan Motor Co Ltd | デイ−ゼル機関の燃料噴射弁 |
SU1359566A1 (ru) * | 1986-03-25 | 1987-12-15 | Трест "Строймеханизация-1" Главленинградстроя | Пневматическа топливна форсунка |
US5003771A (en) * | 1988-10-13 | 1991-04-02 | United Technologies Corporation | Fuel distribution valve for a combustion chamber |
US4938418A (en) * | 1988-12-01 | 1990-07-03 | Fuel Systems Textron Inc. | Modular fuel nozzle assembly for gas turbine engines |
RU2054602C1 (ru) * | 1992-04-29 | 1996-02-20 | Белорусский теплоэнергетический научно-исследовательский институт | Форсунка |
US5417054A (en) * | 1992-05-19 | 1995-05-23 | Fuel Systems Textron, Inc. | Fuel purging fuel injector |
US5735117A (en) * | 1995-08-18 | 1998-04-07 | Fuel Systems Textron, Inc. | Staged fuel injection system with shuttle valve and fuel injector therefor |
US5732730A (en) * | 1995-09-11 | 1998-03-31 | Delavan Inc | Combined check valve and metering valve assembly |
DK174075B1 (da) * | 1996-06-20 | 2002-05-21 | Man B & W Diesel As | Brændselsinjektor til en forbrændingsmotor |
JP2002130086A (ja) * | 2000-10-23 | 2002-05-09 | Bosch Automotive Systems Corp | 二段噴射燃料噴射弁 |
FR2817054A1 (fr) * | 2000-11-21 | 2002-05-24 | Snecma Moteurs | Dispositif doseur a reglage optimise |
FR2832492B1 (fr) * | 2001-11-20 | 2004-02-06 | Snecma Moteurs | Perfectionnements apportes aux injecteurs de turbomachine |
CN2779090Y (zh) * | 2005-03-14 | 2006-05-10 | 武汉理工大学 | 柴油/lpg双燃料喷射器 |
-
2007
- 2007-01-22 FR FR0752804A patent/FR2911665B1/fr not_active Expired - Fee Related
-
2008
- 2008-01-14 EP EP08100403.8A patent/EP1947310B1/fr active Active
- 2008-01-18 JP JP2008009076A patent/JP5511140B2/ja active Active
- 2008-01-18 US US12/016,480 patent/US7896260B2/en active Active
- 2008-01-21 CA CA2619921A patent/CA2619921C/fr active Active
- 2008-01-21 SG SG200800551-4A patent/SG144852A1/en unknown
- 2008-01-21 RU RU2008102165/06A patent/RU2471081C2/ru active
- 2008-01-22 CN CN2008100010900A patent/CN101230987B/zh active Active
- 2008-01-22 UA UAA200800776A patent/UA96267C2/ru unknown
Also Published As
Publication number | Publication date |
---|---|
CA2619921A1 (fr) | 2008-07-22 |
CN101230987B (zh) | 2011-03-30 |
US7896260B2 (en) | 2011-03-01 |
EP1947310A1 (fr) | 2008-07-23 |
JP2008175523A (ja) | 2008-07-31 |
US20090173810A1 (en) | 2009-07-09 |
RU2008102165A (ru) | 2009-07-27 |
SG144852A1 (en) | 2008-08-28 |
FR2911665B1 (fr) | 2009-04-17 |
UA96267C2 (ru) | 2011-10-25 |
EP1947310B1 (fr) | 2015-03-11 |
FR2911665A1 (fr) | 2008-07-25 |
CA2619921C (fr) | 2015-11-17 |
RU2471081C2 (ru) | 2012-12-27 |
CN101230987A (zh) | 2008-07-30 |
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