JP2017061305A - 航空機用の後部エンジンナセルの形状 - Google Patents
航空機用の後部エンジンナセルの形状 Download PDFInfo
- Publication number
- JP2017061305A JP2017061305A JP2016180048A JP2016180048A JP2017061305A JP 2017061305 A JP2017061305 A JP 2017061305A JP 2016180048 A JP2016180048 A JP 2016180048A JP 2016180048 A JP2016180048 A JP 2016180048A JP 2017061305 A JP2017061305 A JP 2017061305A
- Authority
- JP
- Japan
- Prior art keywords
- aircraft
- nacelle
- rear engine
- defines
- fuselage
- 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.)
- Granted
Links
- 238000010348 incorporation Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 7
- 239000003381 stabilizer Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/16—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like specially adapted for mounting power plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/01—Boundary layer ingestion [BLI] propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D27/02—Aircraft characterised by the type or position of power plant
- B64D27/16—Aircraft characterised by the type or position of power plant of jet type
- B64D27/20—Aircraft characterised by the type or position of power plant of jet type within or attached to fuselage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
- B64D29/04—Power-plant nacelles, fairings, or cowlings associated with fuselages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
- B64D2033/0226—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising boundary layer control means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/10—Drag reduction
Abstract
Description
12 長手方向の中心線
14 航空機の前方端
16 航空機の後方端
18 中央線
20 胴体
22 翼
24 左側
26 右側
28 前縁フラップ
30 後縁フラップ
32 垂直安定板
34 方向舵フラップ
36 水平安定板
38 昇降舵フラップ
40 表面
42 第1の航空機エンジン
44 第2の航空機エンジン
46 車輪
48 離陸角度
100 ターボファンジェットエンジン
102 長手方向または軸方向の中心線
104 ファンセクション
106 コアタービンエンジン
108 外側ケーシング
110 入口
112 低圧圧縮機
114 高圧圧縮機
116 燃焼セクション
118 高圧タービン
120 低圧タービン
122 ジェット排気セクション
124 高圧シャフト/スプール
126 低圧シャフト/スプール
128 ファン
130 ブレード
132 ディスク
134 作動部材
136 動力歯車装置
138 前面ハブ
140 ファンケーシングまたはナセル
142 出口案内翼
144 下流セクション
146 バイパス空気流通路
200 後部エンジン
202 胴体の上側
204 胴体の下側
206 切頭体
208 前方面
210 後方面
212 上基準線
214 下基準線
215 基準点
216 凹陥部
218 凹部
219 角度
220 中心線軸
222 ファン
224 ナセル
226 構造部材
228 ファンブレード
230 ファンシャフト
232 動力源
234 歯車装置
236 駆動シャフト
238 出口案内翼
240 テールコーン
242 ノズル
244 入口
245 中点
246 ナセルの前方端
247 突出面
248 ナセルの下部
250 弦線
252 ナセルの後方端
254 内面
256 外面
258 入口の上半分
260 入口の下半分
262 基準線
264 よどみ点
266 曲率半径
268 垂直基準線
270 268と220との間の角度
272 268と250との間の角度
274 250と220との間の角度
Claims (10)
- 中心軸(220)を定め、航空機(10)の後方端(16)で前記航空機(10)に取り付けられるように構成される後部エンジン(200)であって、
前記中心軸(220)の周りに回転可能で複数のファンブレード(228)を含むファン(222)と、
前記ファン(222)の前記複数のファンブレード(228)を取り囲み、前方端(246)を有する下部(248)を定めるナセル(224)であって、前記ナセル(224)が前記下部(248)の前記前方端(246)に湾曲面を定め、前記湾曲面は、前記湾曲面が最小の曲率半径(266)を定める基準点を含み、前記ナセル(224)がさらに、前記基準点から垂直に延在する垂直基準線(268)を定め、前記垂直基準線(268)が、前記後部エンジン(200)の前記中心軸(220)とゼロより大きな角度を定める、ナセル(224)と
を備える後部エンジン(200)。 - 前記ナセル(224)の前記下部(248)が、内面(254)および外面(256)を含み、前記基準点が、内面(254)より外面(256)の近くに位置する、請求項1記載の後部エンジン(200)。
- 前記ナセル(224)の前記下部(248)の前記前方端(246)がよどみ点(264)を定め、前記よどみ点(264)が、前記後部エンジン(200)が最大能力で作動しているとき、最小の曲率半径(266)を有する前記前方端(246)の前記基準点と位置が合っている、請求項1記載の後部エンジン(200)。
- 前記垂直基準線(268)が、前記後部エンジン(200)の前記中心軸(220)との角度(270)を約10度より大きく定める、請求項1記載の後部エンジン(200)。
- 前記垂直基準線(268)が、前記後部エンジン(200)の前記中心軸(220)との角度(270)を約20度より大きく定める、請求項1記載の後部エンジン(200)。
- 前記ナセル(224)が入口(244)を定め、前記ナセル(224)によって定められた前記入口(244)が、前記航空機(10)の胴体(20)に取り付けられたとき、前記航空機(10)の前記胴体(20)の周りを実質的に360度延在する、請求項1記載の後部エンジン(200)。
- 前記ナセル(224)が前記後部エンジン(200)の前記中心軸(220)を取り囲む、請求項1記載の後部エンジン(200)。
- 前方端(14)と後方端(16)との間を延在し、長手方向の中心線(12)を定める航空機(10)であって、
前記航空機(10)の前記前方端(14)から前記航空機(10)の前記後方端(16)に向かって延在する胴体(20)と、
前記航空機(10)の前記後方端(16)に近接して前記胴体(20)に取り付けられ、前記航空機(10)の前記長手方向の中心線(12)に平行に延在する中心軸(220)を定める後部エンジン(200)であって、
前記中心軸(220)の周りに回転可能で複数のファンブレード(228)を含むファン(222)、および
前記ファン(222)の前記複数のファンブレード(228)を取り囲み、前方端(246)を有する下部(248)を定めるナセル(224)であって、前記ナセル(224)が前記下部(248)の前記前方端(246)に湾曲面を定め、前記湾曲面は、前記湾曲面が最小の曲率半径(266)を定める基準点含み、前記ナセル(224)がさらに、前記基準点から垂直に延在する垂直基準線(268)を定め、
前記垂直基準線(268)が、前記後部エンジン(200)の前記中心軸(220)とゼロより大きな角度を定める、ナセル(224)
を備える後部エンジン(200)と
を備える航空機(10)。 - 前記航空機(10)が前記前方端(14)から前記後方端(16)に延在する中央線(18)を定め、前記ナセル(224)が前記航空機(10)の前記中央線(18)の周りを実質的に360度延在する、請求項8記載の航空機(10)。
- 前記ナセル(224)の前記下部(248)がさらに弦線(250)を定め、前記垂直基準線(268)が、弦線(250)とゼロより大きな角度(272)を定める、請求項8記載の航空機(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/859,566 US9815560B2 (en) | 2015-09-21 | 2015-09-21 | AFT engine nacelle shape for an aircraft |
US14/859,566 | 2015-09-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017061305A true JP2017061305A (ja) | 2017-03-30 |
JP6466381B2 JP6466381B2 (ja) | 2019-02-06 |
Family
ID=56979435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016180048A Active JP6466381B2 (ja) | 2015-09-21 | 2016-09-15 | 航空機用の後部エンジンナセルの形状 |
Country Status (6)
Country | Link |
---|---|
US (3) | US9815560B2 (ja) |
EP (2) | EP4098557A1 (ja) |
JP (1) | JP6466381B2 (ja) |
CN (2) | CN110901928B (ja) |
BR (1) | BR102016021634B1 (ja) |
CA (3) | CA2941822C (ja) |
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US9815560B2 (en) * | 2015-09-21 | 2017-11-14 | General Electric Company | AFT engine nacelle shape for an aircraft |
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US10676205B2 (en) * | 2016-08-19 | 2020-06-09 | General Electric Company | Propulsion engine for an aircraft |
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CA2941822C (en) | 2019-11-26 |
CA3128541A1 (en) | 2017-03-21 |
CA3045693C (en) | 2022-06-07 |
JP6466381B2 (ja) | 2019-02-06 |
CN110901928A (zh) | 2020-03-24 |
US11447259B2 (en) | 2022-09-20 |
EP3144218A1 (en) | 2017-03-22 |
CN106986036B (zh) | 2020-01-07 |
US9815560B2 (en) | 2017-11-14 |
US20180057182A1 (en) | 2018-03-01 |
US10358228B2 (en) | 2019-07-23 |
CN106986036A (zh) | 2017-07-28 |
CA3045693A1 (en) | 2017-03-21 |
BR102016021634A2 (pt) | 2017-03-28 |
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EP3144218B1 (en) | 2022-10-26 |
US20170081037A1 (en) | 2017-03-23 |
US20190329896A1 (en) | 2019-10-31 |
CA2941822A1 (en) | 2017-03-21 |
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CN110901928B (zh) | 2023-12-01 |
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