JP4998920B2 - 遠心圧縮機のインペラの下流側面を冷却するシステムを備えるターボ機械 - Google Patents
遠心圧縮機のインペラの下流側面を冷却するシステムを備えるターボ機械 Download PDFInfo
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- JP4998920B2 JP4998920B2 JP2007186668A JP2007186668A JP4998920B2 JP 4998920 B2 JP4998920 B2 JP 4998920B2 JP 2007186668 A JP2007186668 A JP 2007186668A JP 2007186668 A JP2007186668 A JP 2007186668A JP 4998920 B2 JP4998920 B2 JP 4998920B2
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- Prior art keywords
- air
- impeller
- outlet
- turbomachine
- annular
- 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.)
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- 238000001816 cooling Methods 0.000 title description 5
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
- F01D5/046—Heating, heat insulation or cooling means
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes
-
- 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
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
12 ディフューザ
14 遠心圧縮機
18、118 インペラ
20 シャフト
22 ステータ
23 環状フランジ
24 外部ケーシング
26 出口
27 ディストリビュータ
30、130 端部部分
32、50 内部環状フランジ
34 ネジ手段
36、136 噴射手段
40 径方向面
41、141 空洞
44 内壁
46 外壁
48、52 切頭円錐形リング
54 外部環状フランジ
59、60 同軸壁
61、62 入口
75 環状通路
76、83 ラビリンスシール
84 金属シート
87 空気流路オリフィス
88 排気エンクロージャ
92、199、200、202 空気流
94、184、194 金属板
140 下流側面
160 噴射手段の入口
162、196 出口
183 上流側シール
198 流れ分離手段
204 通路
Claims (7)
- 遠心圧縮機のインペラの出口に配置され、かつ環状の燃焼チャンバに空気を供給するディフューザ/ディストリビュータアセンブリと、タービンを換気するために空気を噴射する手段とを備えるターボ機械であって、
ディフューザ/ディストリビュータアセンブリが、環状の下流側端部分を備え、該環状の下流側端部分が、下流側端で噴射手段に接続され、かつインペラの下流側面で、圧縮機の出口から取り入れられた換気空気を循環するための環状の空洞の境界を定め、
ターボ機械は、噴射手段から、前記タービンの換気空気流の一部を取り出す取り出し手段と、取り出した空気を、インペラの下流側面の径方向内側部分に案内する案内手段とを備え、空気流は、内側から外側へ、インペラの下流側面に沿って径方向に流れ、圧縮機の出口から取り入れられた空気と混合されて、環状の空洞内の空気の温度を下げる、ターボ機械。 - 取り出し手段が、空気噴射手段と環状の空洞との間の圧縮機のシャフト回りに形成された環状の通路に通じていることを特徴とする、請求項1に記載のターボ機械。
- 取り出し手段が、ラビリンスシールを備え、該ラビリンスシールが、圧縮機のシャフトと噴射手段の出口との間に取り付けられ、かつ環状の通路に入る空気流を調整する、請求項2に記載のターボ機械。
- 環状の通路が、環状の通路から出て環状の空洞に入る空気流を調整するためのラビリンスシールを出口に備える、請求項2または3に記載のターボ機械。
- 噴射手段が、ディフューザ/ディストリビュータアセンブリによって空気が供給される入口と、軸方向に反対側の2つの出口とを備え、一方の出口が、タービンを換気するための回路に通じ、他方の出口が、環状の空洞に通じている、請求項1に記載のターボ機械。
- 環状の空洞が、タービンを換気するために、空気噴射手段から取り入れられた空気流と、圧縮機の出口から取り入れられた空気流とを分離および混合する分離および混合手段を備える、請求項1から5のいずれか一項に記載のターボ機械。
- 分離および混合手段が、円筒形の金属板を備え、該円筒形の金属板が、空洞の境界を定める下流側壁から上流側に延び、かつインペラの下流側面からある距離で終端する、請求項6に記載のターボ機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0606544A FR2904038A1 (fr) | 2006-07-19 | 2006-07-19 | Systeme de refroidissement de la face aval d'un rouet de compresseur centrifuge |
FR0606544 | 2006-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008025577A JP2008025577A (ja) | 2008-02-07 |
JP4998920B2 true JP4998920B2 (ja) | 2012-08-15 |
Family
ID=37771107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007186668A Active JP4998920B2 (ja) | 2006-07-19 | 2007-07-18 | 遠心圧縮機のインペラの下流側面を冷却するシステムを備えるターボ機械 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7841187B2 (ja) |
EP (1) | EP1882815B1 (ja) |
JP (1) | JP4998920B2 (ja) |
CA (1) | CA2594005C (ja) |
DE (1) | DE602007001921D1 (ja) |
FR (1) | FR2904038A1 (ja) |
RU (1) | RU2437000C2 (ja) |
UA (1) | UA93364C2 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2927951B1 (fr) * | 2008-02-27 | 2011-08-19 | Snecma | Ensemble diffuseur-redresseur pour une turbomachine |
EP2249003B1 (en) * | 2008-02-27 | 2016-11-02 | Mitsubishi Hitachi Power Systems, Ltd. | Gas turbine |
US8087249B2 (en) * | 2008-12-23 | 2012-01-03 | General Electric Company | Turbine cooling air from a centrifugal compressor |
FR2946687B1 (fr) * | 2009-06-10 | 2011-07-01 | Snecma | Turbomachine comprenant des moyens ameliores de reglage du debit d'un flux d'air de refroidissement preleve en sortie de compresseur haute pression |
FR2950656B1 (fr) * | 2009-09-25 | 2011-09-23 | Snecma | Ventilation d'une roue de turbine dans une turbomachine |
US9228497B2 (en) * | 2010-12-30 | 2016-01-05 | Rolls-Royce Corporation | Gas turbine engine with secondary air flow circuit |
WO2014133616A1 (en) * | 2013-03-01 | 2014-09-04 | Rolls-Royce North American Technologies,Inc. | Gas turbine engine impeller system for an intermediate pressure (ip) compressor |
US20150362463A1 (en) | 2013-03-01 | 2015-12-17 | Kyocera Corporation | Sensor |
EP2964960B1 (en) | 2013-03-08 | 2019-06-12 | Rolls-Royce North American Technologies, Inc. | Gas turbine engine centrifugal compressor with seal between two diffuser parts |
GB2510004B (en) * | 2013-08-19 | 2015-10-14 | Rolls Royce Plc | Axial flow machine cooling system |
EP2942483B2 (en) | 2014-04-01 | 2022-09-28 | Raytheon Technologies Corporation | Vented tangential on-board injector for a gas turbine engine |
KR101765583B1 (ko) * | 2014-07-29 | 2017-08-07 | 현대자동차 주식회사 | 공기 압축기의 냉각유닛 |
GB201420966D0 (en) * | 2014-11-26 | 2015-01-07 | Rolls Royce Plc | Compressor cooling |
US10208668B2 (en) * | 2015-09-30 | 2019-02-19 | Rolls-Royce Corporation | Turbine engine advanced cooling system |
US10415599B2 (en) * | 2015-10-30 | 2019-09-17 | Ford Global Technologies, Llc | Axial thrust loading mitigation in a turbocharger |
US10830144B2 (en) | 2016-09-08 | 2020-11-10 | Rolls-Royce North American Technologies Inc. | Gas turbine engine compressor impeller cooling air sinks |
WO2019087970A1 (ja) | 2017-11-01 | 2019-05-09 | 株式会社Ihi | 遠心圧縮機 |
WO2019087869A1 (ja) | 2017-11-01 | 2019-05-09 | 株式会社Ihi | 遠心圧縮機 |
WO2019087868A1 (ja) | 2017-11-01 | 2019-05-09 | 株式会社Ihi | 遠心圧縮機 |
CN110318874B (zh) * | 2019-06-24 | 2020-09-25 | 中国科学院工程热物理研究所 | 一种燃气轮机中离心压气机背腔的控涡流路*** |
US11668324B2 (en) * | 2019-08-02 | 2023-06-06 | Hamilton Sundstrand Corporation | Motor and bearing cooling paths and a transfer tube for another cooling channel |
US11525393B2 (en) | 2020-03-19 | 2022-12-13 | Rolls-Royce Corporation | Turbine engine with centrifugal compressor having impeller backplate offtake |
CN113357189B (zh) * | 2021-06-23 | 2022-11-18 | 中国航发湖南动力机械研究所 | 径向外流叶轮背腔引气结构和燃气涡轮发动机 |
CN113847147B (zh) * | 2021-09-24 | 2023-01-17 | 中国航发沈阳发动机研究所 | 一种航空发动机内部冷却空气的引气除尘结构 |
FR3137409A1 (fr) | 2022-07-04 | 2024-01-05 | Safran Helicopter Engines | Compresseur pour aéronef |
US12012972B2 (en) | 2022-07-25 | 2024-06-18 | Pratt & Whitney Canada Corp. | Diffuser and associated compressor section of aircraft engine |
US11773773B1 (en) | 2022-07-26 | 2023-10-03 | Rolls-Royce North American Technologies Inc. | Gas turbine engine centrifugal compressor with impeller load and cooling control |
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-
2006
- 2006-07-19 FR FR0606544A patent/FR2904038A1/fr not_active Withdrawn
-
2007
- 2007-06-20 DE DE602007001921T patent/DE602007001921D1/de active Active
- 2007-06-20 EP EP07290765A patent/EP1882815B1/fr active Active
- 2007-07-16 CA CA2594005A patent/CA2594005C/fr active Active
- 2007-07-18 UA UAA200708218A patent/UA93364C2/uk unknown
- 2007-07-18 JP JP2007186668A patent/JP4998920B2/ja active Active
- 2007-07-18 RU RU2007127559/06A patent/RU2437000C2/ru active
- 2007-07-19 US US11/780,252 patent/US7841187B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR2904038A1 (fr) | 2008-01-25 |
CA2594005C (fr) | 2014-04-08 |
RU2437000C2 (ru) | 2011-12-20 |
EP1882815A1 (fr) | 2008-01-30 |
US20080141679A1 (en) | 2008-06-19 |
EP1882815B1 (fr) | 2009-08-12 |
DE602007001921D1 (de) | 2009-09-24 |
UA93364C2 (uk) | 2011-02-10 |
RU2007127559A (ru) | 2009-01-27 |
JP2008025577A (ja) | 2008-02-07 |
CA2594005A1 (fr) | 2008-01-19 |
US7841187B2 (en) | 2010-11-30 |
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