JP4944717B2 - 可変タービン - Google Patents
可変タービン Download PDFInfo
- Publication number
- JP4944717B2 JP4944717B2 JP2007234878A JP2007234878A JP4944717B2 JP 4944717 B2 JP4944717 B2 JP 4944717B2 JP 2007234878 A JP2007234878 A JP 2007234878A JP 2007234878 A JP2007234878 A JP 2007234878A JP 4944717 B2 JP4944717 B2 JP 4944717B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- nozzle
- nozzle gap
- balance hole
- fluid
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims description 31
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/143—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path the shiftable member being a wall, or part thereof of a radial diffuser
-
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
- F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
-
- 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
- F05D2220/40—Application in turbochargers
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/14—Two-dimensional elliptical
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/16—Two-dimensional parabolic
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/19—Two-dimensional machined; miscellaneous
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/19—Two-dimensional machined; miscellaneous
- F05D2250/192—Two-dimensional machined; miscellaneous bevelled
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/19—Two-dimensional machined; miscellaneous
- F05D2250/193—Two-dimensional machined; miscellaneous milled
-
- 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
- F05D2250/60—Structure; Surface texture
- F05D2250/62—Structure; Surface texture smooth or fine
-
- 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
- F05D2250/70—Shape
-
- 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
- F05D2250/70—Shape
- F05D2250/71—Shape curved
-
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
- Control Of Turbines (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Materials For Photolithography (AREA)
Description
2 タービンハウジング
3 ノズルギャップ
4 タービンローター
5 軸方向に調節可能なリング
6 バランスホール
7 羽根
8 側板
10 軸
11 環状中空部
12 環状チャンバ
13 シーリング手段
14 通路
15、15’ 縁部
16 端部
17 丸みのある部分
17’ 大きな丸み
18 壁部の表面
19 壁部
20 流れ方向
22 ハウジング
23 ノズルギャップ
25、25’ 軸方向に調節可能なリング
26、26’ バランスホール
27 羽根
Claims (8)
- ハウジング(22)と、タービンローター(4)と、前記タービンローターの周囲に設けられた流体吸気口(1)と、流体流を加速させるために設けられている前記流体吸気口と前記タービンローターの間に配置された羽根付きノズルからなり、
前記ノズルは、ノズルギャップ(23)を変化させるために設けられた軸方向に調節可能なリング(25)および前記ノズルギャップを軸方向に規定する壁部(19)を有し、前記壁部は前記ハウジングおよび前記リングによって規定されるチャンバ(12)と前記ノズルをつなげるバランスホール(26、26’)を有しており、
前記ノズルギャップと面する前記壁部の表面(18)に前記バランスホールによって形成された端部(16)において、流体流に対して下流側にある前記バランスホールの部分(17、17’)から流体流の下流方向に向けて延在する丸みが付けられていることを特徴とする可変タービン。 - 前記端部の最大丸み湾曲部(17、17’)において、その曲率半径(R)は、平均流れ方向(20)におけるバランスホールの最大幅(S)の20%より大きいことを特徴とする請求項1に記載のタービン。
- 流れ方向(20)における丸み湾曲部は、基本的に放物線または楕円形状をしていることを特徴とする請求項1に記載のタービン。
- 湾曲領域の縁部(15、15’)は、流体の流れ方向に伸ばされていることを特徴とする請求項1から3のいずれか1項に記載のタービン。
- 湾曲は、放射状のカッターを用いた3軸フライス加工によって形成されることを特徴とする請求項1から4のいずれか1項に記載のタービン。
- 前記タービンはガスタービンであることを特徴とする請求項1から5のいずれか1項に記載のタービン。
- 請求項6に記載のタービンを備えることを特徴とする過給内燃機関のためのターボチャージャー。
- 請求項7に記載のターボチャージャーを備えることを特徴とする車のための過給内燃機関。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001738A ITMI20061738A1 (it) | 2006-09-12 | 2006-09-12 | Turbina a geometria variabile |
ITMI2006A001738 | 2006-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008069779A JP2008069779A (ja) | 2008-03-27 |
JP4944717B2 true JP4944717B2 (ja) | 2012-06-06 |
Family
ID=37116136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007234878A Expired - Fee Related JP4944717B2 (ja) | 2006-09-12 | 2007-09-11 | 可変タービン |
Country Status (7)
Country | Link |
---|---|
US (1) | US7955047B2 (ja) |
EP (1) | EP1900908B8 (ja) |
JP (1) | JP4944717B2 (ja) |
CN (1) | CN101144394B (ja) |
BR (1) | BRPI0704032A (ja) |
ES (1) | ES2401455T3 (ja) |
IT (1) | ITMI20061738A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0521354D0 (en) * | 2005-10-20 | 2005-11-30 | Holset Engineering Co | Variable geometry turbine |
GB0615495D0 (en) * | 2006-08-04 | 2006-09-13 | Cummins Turbo Tech Ltd | Variable geometry turbine |
GB0805519D0 (en) * | 2008-03-27 | 2008-04-30 | Cummins Turbo Tech Ltd | Variable geometry turbine |
GB0921350D0 (en) | 2009-12-05 | 2010-01-20 | Cummins Turbo Tech Ltd | Vaariable geometry turbomachine |
GB201015679D0 (en) * | 2010-09-20 | 2010-10-27 | Cummins Ltd | Variable geometry turbine |
GB2497786B (en) | 2011-12-21 | 2016-09-07 | Cummins Ltd | Variable geometry turbine having vane slots with portions of increased clearance |
KR101753198B1 (ko) | 2013-04-10 | 2017-07-04 | 커민스 리미티드 | 가변 구조 터빈 |
US9650911B1 (en) * | 2014-10-10 | 2017-05-16 | Cummins Ltd | Variable geometry turbine |
DE102015219374B4 (de) * | 2015-10-07 | 2022-05-25 | Vitesco Technologies GmbH | Verfahren zum Einbringen einer Wuchtmarke in das Verdichterrad eines Abgasturboladers und Abgasturbolader mit einem eine Wuchtmarke aufweisenden Verdichterrad |
DE102017123819A1 (de) * | 2017-10-12 | 2019-04-18 | Ihi Charging Systems International Germany Gmbh | Laufrad für einen Abgasturbolader, Abgasturbolader und Verfahren zum Auswuchten eines Laufzeugs für einen Abgasturbolader |
CN109505663B (zh) * | 2018-11-29 | 2021-08-17 | 江西省萍乡市三善机电有限公司 | 一种涡轮增压器上用的喷嘴环 |
GB202108695D0 (en) * | 2021-06-17 | 2021-08-04 | Cummins Ltd | Nozzle ring for a variable geometry turbine |
CN113513373B (zh) * | 2021-07-08 | 2023-05-30 | 哈尔滨工程大学 | 一种变几何涡轮一维气动设计方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3044683A (en) * | 1960-01-18 | 1962-07-17 | Schwitzer Corp | Pressure control for turbochargers |
US4499731A (en) * | 1981-12-09 | 1985-02-19 | Bbc Brown, Boveri & Company, Limited | Controllable exhaust gas turbocharger |
JPH0610403B2 (ja) * | 1984-02-22 | 1994-02-09 | 日産自動車株式会社 | ラジアルタ−ビンの可変ノズル |
EP0654587B1 (en) * | 1993-11-19 | 1999-01-20 | Holset Engineering Company Limited | Turbine with variable inlet geometry |
JP3432674B2 (ja) * | 1996-04-05 | 2003-08-04 | 株式会社日立製作所 | 多段遠心圧縮機 |
GB2319811A (en) | 1996-10-03 | 1998-06-03 | Holset Engineering Co | A variable geometry turbocharger for an internal combustion engine |
DE19905637C1 (de) * | 1999-02-11 | 2000-08-31 | Daimler Chrysler Ag | Abgasturbolader für eine Brennkraftmaschine |
ITTO20010505A1 (it) * | 2001-05-25 | 2002-11-25 | Iveco Motorenforschung Ag | Turbina a geometria variabile. |
GB0213910D0 (en) * | 2002-06-17 | 2002-07-31 | Holset Engineering Co | Turbine |
GB0226943D0 (en) * | 2002-11-19 | 2002-12-24 | Holset Engineering Co | Variable geometry turbine |
US7207176B2 (en) * | 2002-11-19 | 2007-04-24 | Cummins Inc. | Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine |
US6931849B2 (en) * | 2002-11-19 | 2005-08-23 | Holset Engineering Company, Limited | Variable geometry turbine |
JP2006029228A (ja) * | 2004-07-16 | 2006-02-02 | Toshiba Corp | フランシス型水力機械 |
-
2006
- 2006-09-12 IT IT001738A patent/ITMI20061738A1/it unknown
-
2007
- 2007-08-24 US US11/895,429 patent/US7955047B2/en not_active Expired - Fee Related
- 2007-09-11 JP JP2007234878A patent/JP4944717B2/ja not_active Expired - Fee Related
- 2007-09-11 ES ES07116130T patent/ES2401455T3/es active Active
- 2007-09-11 EP EP07116130A patent/EP1900908B8/en not_active Not-in-force
- 2007-09-12 BR BRPI0704032-6A patent/BRPI0704032A/pt not_active IP Right Cessation
- 2007-09-12 CN CN200710147439.7A patent/CN101144394B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20090097969A1 (en) | 2009-04-16 |
EP1900908A3 (en) | 2011-09-28 |
ES2401455T3 (es) | 2013-04-19 |
CN101144394B (zh) | 2012-06-27 |
EP1900908A2 (en) | 2008-03-19 |
US7955047B2 (en) | 2011-06-07 |
ITMI20061738A1 (it) | 2008-03-13 |
CN101144394A (zh) | 2008-03-19 |
EP1900908B8 (en) | 2013-01-23 |
EP1900908B1 (en) | 2012-12-19 |
JP2008069779A (ja) | 2008-03-27 |
BRPI0704032A (pt) | 2008-04-29 |
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