JP2017048683A - 排気ディフューザ - Google Patents
排気ディフューザ Download PDFInfo
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- JP2017048683A JP2017048683A JP2015170156A JP2015170156A JP2017048683A JP 2017048683 A JP2017048683 A JP 2017048683A JP 2015170156 A JP2015170156 A JP 2015170156A JP 2015170156 A JP2015170156 A JP 2015170156A JP 2017048683 A JP2017048683 A JP 2017048683A
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- strut
- inner cylinder
- tubular
- tubular strut
- flat
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- 238000005266 casting Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/30—Exhaust heads, chambers, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/06—Fluid supply conduits to nozzles or the like
- F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K1/00—Steam accumulators
- F01K1/04—Steam accumulators for storing steam in a liquid, e.g. Ruth's type
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/52—Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/128—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
- F05D2250/231—Three-dimensional prismatic cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
- F05D2250/232—Three-dimensional prismatic conical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Exhaust Silencers (AREA)
- Supercharger (AREA)
Abstract
Description
本発明は上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲で種々の変形が可能である。
21 排気流路
3 内筒
31 前側ストレート部
32 内側フレア部
33 後側ストレート部
4 外筒
41 前側円錐部
42 外側フレア部
43 外側ストレート部
44 後側円錐部
5 管状ストラット
51 前縁
52 後縁
55 最大幅部分
6 扁平ストラット
61 前縁
62 後縁
Claims (9)
- 内筒と、
前記内筒との間に、前方から後方に向かって広がる排気流路を形成する外筒と、
前記内筒と前記外筒とを連結する少なくとも1つの管状ストラットと、を備え、
前記外筒は、前記管状ストラットよりも前方に前側円錐部を有するとともに、前記前側円錐部よりも大きな傾斜角度で前記管状ストラットよりも前方から広がり始める外側フレア部を有しており、
前記内筒は、前記前側円錐部および前記外側フレア部と対向する前側ストレート部を有するとともに、前記管状ストラットの最大幅部分と後縁の間から広がり始める内側フレア部を有している、排気ディフューザ。 - 前記外筒の一部および前記内筒の一部は、鋳造により前記管状ストラットと一体的に形成されている、請求項1に記載の排気ディフューザ。
- 前記外筒は、前記外側フレア部の後端から前記管状ストラットの最大幅部分を超えて後方に延びる外側ストレート部と、前記外側ストレート部の後端から拡径する後側円錐部を有し、
前記内筒は、前記内側フレア部の後端から後方に延びる後側ストレート部を有する、請求項1または2に記載の排気ディフューザ。 - 前記内筒と前記外筒とを連結する、当該排気ディフューザの軸方向において前記管状ストラットと重なり合う少なくとも1つの扁平ストラットをさらに備える、請求項1〜3のいずれか一項に記載の排気ディフューザ。
- 前記扁平ストラットの前縁は、前記管状ストラットの前縁よりも前方に位置しており、
前記扁平ストラットの後縁は、前記管状ストラットの最大幅部分よりも後方に位置している、請求項4に記載の排気ディフューザ。 - 前記扁平ストラットの後縁は、前記管状ストラットの後縁よりも前方に位置している、請求項5に記載の排気ディフューザ。
- 内筒と、
前記内筒との間に、前方から後方に向かって広がる排気流路を形成する外筒と、
前記内筒と前記外筒とを連結する少なくとも1つの管状ストラットと、
前記内筒と前記外筒とを連結する、当該排気ディフューザの軸方向において前記管状ストラットと重なり合う少なくとも1つの扁平ストラットと、を備え、
前記扁平ストラットの前縁は、前記管状ストラットの前縁よりも前方に位置しており、
前記扁平ストラットの後縁は、前記管状ストラットの最大幅部分よりも後方に位置している、排気ディフューザ。 - 前記扁平ストラットの後縁は、前記管状ストラットの後縁よりも前方に位置している、請求項7に記載の排気ディフューザ。
- 前記外筒の一部および前記内筒の一部は、鋳造により前記管状ストラットと一体的に形成されている、請求項7または8に記載の排気ディフューザ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015170156A JP6546481B2 (ja) | 2015-08-31 | 2015-08-31 | 排気ディフューザ |
PCT/JP2016/003958 WO2017038086A1 (ja) | 2015-08-31 | 2016-08-30 | 排気ディフューザ |
GB1803441.3A GB2556798B (en) | 2015-08-31 | 2016-08-30 | Exhaust Diffuser |
CN201680044263.XA CN107923261B (zh) | 2015-08-31 | 2016-08-30 | 排气扩散器 |
DE112016003468.7T DE112016003468T5 (de) | 2015-08-31 | 2016-08-30 | Abgasdiffusor |
US15/755,915 US10851676B2 (en) | 2015-08-31 | 2016-08-30 | Exhaust diffuser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015170156A JP6546481B2 (ja) | 2015-08-31 | 2015-08-31 | 排気ディフューザ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017048683A true JP2017048683A (ja) | 2017-03-09 |
JP6546481B2 JP6546481B2 (ja) | 2019-07-17 |
Family
ID=58187036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015170156A Active JP6546481B2 (ja) | 2015-08-31 | 2015-08-31 | 排気ディフューザ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10851676B2 (ja) |
JP (1) | JP6546481B2 (ja) |
CN (1) | CN107923261B (ja) |
DE (1) | DE112016003468T5 (ja) |
GB (1) | GB2556798B (ja) |
WO (1) | WO2017038086A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11242762B2 (en) * | 2019-11-21 | 2022-02-08 | Raytheon Technologies Corporation | Vane with collar |
KR102403823B1 (ko) * | 2019-12-13 | 2022-05-30 | 두산에너빌리티 주식회사 | 스트립이 형성된 배기 디퓨져의 스트롯 구조 및 가스터빈 |
FR3126021A1 (fr) * | 2021-08-05 | 2023-02-10 | Safran Aircraft Engines | Passage de servitudes dans un carter d’echappement de turbomachine d’aeronef |
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GB2556798A8 (en) | 2018-07-04 |
JP6546481B2 (ja) | 2019-07-17 |
WO2017038086A1 (ja) | 2017-03-09 |
CN107923261B (zh) | 2020-12-04 |
GB2556798A (en) | 2018-06-06 |
DE112016003468T5 (de) | 2018-04-19 |
GB201803441D0 (en) | 2018-04-18 |
CN107923261A (zh) | 2018-04-17 |
US20180328230A1 (en) | 2018-11-15 |
GB2556798B (en) | 2020-12-30 |
US10851676B2 (en) | 2020-12-01 |
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