FR2248732A5 - - Google Patents
Info
- Publication number
- FR2248732A5 FR2248732A5 FR7337751A FR7337751A FR2248732A5 FR 2248732 A5 FR2248732 A5 FR 2248732A5 FR 7337751 A FR7337751 A FR 7337751A FR 7337751 A FR7337751 A FR 7337751A FR 2248732 A5 FR2248732 A5 FR 2248732A5
- Authority
- FR
- France
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D21/00—Pump involving supersonic speed of pumped fluids
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/023—Details or means for fluid extraction
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/914—Device to control boundary layer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7337751A FR2248732A5 (fr) | 1973-10-23 | 1973-10-23 | |
US05/516,126 US3993414A (en) | 1973-10-23 | 1974-10-18 | Supersonic compressors |
CH1403274A CH588017A5 (fr) | 1973-10-23 | 1974-10-21 | |
GB45511/74A GB1482933A (en) | 1973-10-23 | 1974-10-21 | Supersonic flow compressors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7337751A FR2248732A5 (fr) | 1973-10-23 | 1973-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2248732A5 true FR2248732A5 (fr) | 1975-05-16 |
Family
ID=9126807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7337751A Expired FR2248732A5 (fr) | 1973-10-23 | 1973-10-23 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3993414A (fr) |
CH (1) | CH588017A5 (fr) |
FR (1) | FR2248732A5 (fr) |
GB (1) | GB1482933A (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2307125A1 (fr) * | 1975-04-09 | 1976-11-05 | Maschf Augsburg Nuernberg Ag | Rotor a aubages a grande vitesse peripherique pour turbines thermiques a flux axial |
FR2369415A1 (fr) * | 1976-11-01 | 1978-05-26 | Gen Electric | Dispositif pour ameliorer le fonctionnement des rotors des moteurs a turbine a gaz |
FR2443600A1 (fr) * | 1978-11-20 | 1980-07-04 | Avco Corp | Compresseurs rotatifs |
EP0675290A2 (fr) * | 1994-03-28 | 1995-10-04 | Research Institute Of Advanced Material Gas-Generator, Ltd. | Compresseur à courant axial |
WO1998030802A1 (fr) * | 1997-01-13 | 1998-07-16 | Massachusetts Institute Of Technology | Ameliorations apportees a des turbomachines et a des compresseurs par elimination de fluide |
FR2927673A1 (fr) * | 2008-02-14 | 2009-08-21 | Snecma Sa | Aube de soufflante avec aspiration en pied et soufflage en tete |
US7581920B2 (en) | 2004-09-30 | 2009-09-01 | Snecma | Method for air circulation in a turbomachine compressor, compressor arrangement using this method, compression stage and compressor incorporating such a arrangement, and aircraft engine equipped with such a compressor |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATA908379A (de) * | 1979-09-28 | 1982-10-15 | Proizv Ob Turbostroenia | Stator einer horizontalen wasser-rohrturbine |
US4589823A (en) * | 1984-04-27 | 1986-05-20 | General Electric Company | Rotor blade tip |
US4708584A (en) * | 1986-10-09 | 1987-11-24 | Rockwell International Corporation | Shrouded inducer pump |
GB9022713D0 (en) * | 1990-10-18 | 1990-11-28 | Wells Alan A | Wave power apparatus |
US5397215A (en) * | 1993-06-14 | 1995-03-14 | United Technologies Corporation | Flow directing assembly for the compression section of a rotary machine |
US5904470A (en) | 1997-01-13 | 1999-05-18 | Massachusetts Institute Of Technology | Counter-rotating compressors with control of boundary layers by fluid removal |
JP2003517525A (ja) | 1998-02-26 | 2003-05-27 | アリソン・アドバンスト・ディベロップメント・カンパニー | 圧縮機端壁ブリードシステム |
US6358012B1 (en) | 2000-05-01 | 2002-03-19 | United Technologies Corporation | High efficiency turbomachinery blade |
JP4295611B2 (ja) | 2001-06-15 | 2009-07-15 | コンセプツ・イーティーアイ・インコーポレーテッド | 流れ安定化装置 |
US7334990B2 (en) | 2002-01-29 | 2008-02-26 | Ramgen Power Systems, Inc. | Supersonic compressor |
US7434400B2 (en) | 2002-09-26 | 2008-10-14 | Lawlor Shawn P | Gas turbine power plant with supersonic shock compression ramps |
US7293955B2 (en) | 2002-09-26 | 2007-11-13 | Ramgen Power Systrms, Inc. | Supersonic gas compressor |
GB2407142B (en) * | 2003-10-15 | 2006-03-01 | Rolls Royce Plc | An arrangement for bleeding the boundary layer from an aircraft engine |
DE10355240A1 (de) * | 2003-11-26 | 2005-07-07 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidentnahme |
DE10355241A1 (de) * | 2003-11-26 | 2005-06-30 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidzufuhr |
US7025557B2 (en) * | 2004-01-14 | 2006-04-11 | Concepts Eti, Inc. | Secondary flow control system |
US7147426B2 (en) | 2004-05-07 | 2006-12-12 | Pratt & Whitney Canada Corp. | Shockwave-induced boundary layer bleed |
DE102004030597A1 (de) * | 2004-06-24 | 2006-01-26 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Aussenradstrahlerzeugung am Stator |
DE102004043036A1 (de) * | 2004-09-06 | 2006-03-09 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidentnahme |
DE102004055439A1 (de) * | 2004-11-17 | 2006-05-24 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung |
FR2882112B1 (fr) * | 2005-02-16 | 2007-05-11 | Snecma Moteurs Sa | Prelevement en tete des roues mobiles de compresseur haute pression de turboreacteur |
GB0506685D0 (en) * | 2005-04-01 | 2005-05-11 | Hopkins David R | A design to increase and smoothly improve the throughput of fluid (air or gas) through the inlet fan (or fans) of an aero-engine system |
GB0513187D0 (en) * | 2005-06-29 | 2005-08-03 | Rolls Royce Plc | A blade and a rotor arrangement |
US7685713B2 (en) * | 2005-08-09 | 2010-03-30 | Honeywell International Inc. | Process to minimize turbine airfoil downstream shock induced flowfield disturbance |
DE102007005384A1 (de) * | 2007-02-02 | 2008-08-07 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine sowie Rotorschaufel einer Strömungsarbeitsmaschine |
DE102007037924A1 (de) * | 2007-08-10 | 2009-02-12 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Ringkanalwandausnehmung |
ATE530771T1 (de) | 2008-01-18 | 2011-11-15 | Ramgen Power Systems Llc | Verfahren und vorrichtung zum starten von überschallverdichtern |
DE102008011644A1 (de) * | 2008-02-28 | 2009-09-03 | Rolls-Royce Deutschland Ltd & Co Kg | Gehäusestrukturierung für Axialverdichter im Nabenbereich |
DE102008029605A1 (de) * | 2008-06-23 | 2009-12-24 | Rolls-Royce Deutschland Ltd & Co Kg | Schaufeldeckband mit Durchlass |
DE102008031982A1 (de) * | 2008-07-07 | 2010-01-14 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Nut an einem Laufspalt eines Schaufelendes |
DE102008037154A1 (de) | 2008-08-08 | 2010-02-11 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine |
DE102008052409A1 (de) | 2008-10-21 | 2010-04-22 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung |
GB0910647D0 (en) | 2009-06-22 | 2009-08-05 | Rolls Royce Plc | A compressor blade |
GB201003084D0 (en) * | 2010-02-24 | 2010-04-14 | Rolls Royce Plc | An aerofoil |
US9102397B2 (en) * | 2011-12-20 | 2015-08-11 | General Electric Company | Airfoils including tip profile for noise reduction and method for fabricating same |
US9303589B2 (en) | 2012-11-28 | 2016-04-05 | Pratt & Whitney Canada Corp. | Low hub-to-tip ratio fan for a turbofan gas turbine engine |
CN103994101B (zh) * | 2013-02-19 | 2016-04-20 | 中国科学院工程热物理研究所 | 基于多级轴流压气机轮毂端壁自循环抽吸喷气装置及方法 |
US9810157B2 (en) | 2013-03-04 | 2017-11-07 | Pratt & Whitney Canada Corp. | Compressor shroud reverse bleed holes |
US9726084B2 (en) | 2013-03-14 | 2017-08-08 | Pratt & Whitney Canada Corp. | Compressor bleed self-recirculating system |
US10370973B2 (en) | 2015-05-29 | 2019-08-06 | Pratt & Whitney Canada Corp. | Compressor airfoil with compound leading edge profile |
US10519976B2 (en) | 2017-01-09 | 2019-12-31 | Rolls-Royce Corporation | Fluid diodes with ridges to control boundary layer in axial compressor stator vane |
CN108119406B (zh) * | 2018-01-11 | 2020-11-27 | 南京航空航天大学 | 轴流压气机周向大间隔小通孔机匣 |
US10808572B2 (en) * | 2018-04-02 | 2020-10-20 | General Electric Company | Cooling structure for a turbomachinery component |
US11840939B1 (en) * | 2022-06-08 | 2023-12-12 | General Electric Company | Gas turbine engine with an airfoil |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2575682A (en) * | 1944-02-14 | 1951-11-20 | Lockheed Aircraft Corp | Reaction propulsion aircraft power plant having independently rotating compressor and turbine blading stages |
US2628768A (en) * | 1946-03-27 | 1953-02-17 | Kantrowitz Arthur | Axial-flow compressor |
US2966028A (en) * | 1947-10-17 | 1960-12-27 | Gen Electric | Aerodynamic diffuser mechanisms |
US2749025A (en) * | 1947-12-26 | 1956-06-05 | Edward A Stalker | Compressors |
US2749027A (en) * | 1947-12-26 | 1956-06-05 | Edward A Stalker | Compressor |
US2579049A (en) * | 1949-02-04 | 1951-12-18 | Nathan C Price | Rotating combustion products generator and turbine of the continuous combustion type |
US2678537A (en) * | 1949-03-12 | 1954-05-18 | Edward A Stalker | Axial flow turbine type hydraulic torque converter |
US2663493A (en) * | 1949-04-26 | 1953-12-22 | A V Roe Canada Ltd | Blading for compressors, turbines, and the like |
US2702157A (en) * | 1949-09-28 | 1955-02-15 | Edward A Stalker | Compressor employing radial diffusion |
US2925952A (en) * | 1953-07-01 | 1960-02-23 | Maschf Augsburg Nuernberg Ag | Radial-flow-compressor |
DE1032468B (de) * | 1956-03-12 | 1958-06-19 | Licentia Gmbh | Einrichtung zum Reinigen vielstufiger Axialturbomaschinen |
US2947139A (en) * | 1957-08-29 | 1960-08-02 | United Aircraft Corp | By-pass turbojet |
-
1973
- 1973-10-23 FR FR7337751A patent/FR2248732A5/fr not_active Expired
-
1974
- 1974-10-18 US US05/516,126 patent/US3993414A/en not_active Expired - Lifetime
- 1974-10-21 GB GB45511/74A patent/GB1482933A/en not_active Expired
- 1974-10-21 CH CH1403274A patent/CH588017A5/xx not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2307125A1 (fr) * | 1975-04-09 | 1976-11-05 | Maschf Augsburg Nuernberg Ag | Rotor a aubages a grande vitesse peripherique pour turbines thermiques a flux axial |
FR2369415A1 (fr) * | 1976-11-01 | 1978-05-26 | Gen Electric | Dispositif pour ameliorer le fonctionnement des rotors des moteurs a turbine a gaz |
FR2443600A1 (fr) * | 1978-11-20 | 1980-07-04 | Avco Corp | Compresseurs rotatifs |
EP0675290A2 (fr) * | 1994-03-28 | 1995-10-04 | Research Institute Of Advanced Material Gas-Generator, Ltd. | Compresseur à courant axial |
EP0675290A3 (fr) * | 1994-03-28 | 1997-06-25 | Res Inst Of Advanced Material | Compresseur à courant axial. |
WO1998030802A1 (fr) * | 1997-01-13 | 1998-07-16 | Massachusetts Institute Of Technology | Ameliorations apportees a des turbomachines et a des compresseurs par elimination de fluide |
US7581920B2 (en) | 2004-09-30 | 2009-09-01 | Snecma | Method for air circulation in a turbomachine compressor, compressor arrangement using this method, compression stage and compressor incorporating such a arrangement, and aircraft engine equipped with such a compressor |
FR2927673A1 (fr) * | 2008-02-14 | 2009-08-21 | Snecma Sa | Aube de soufflante avec aspiration en pied et soufflage en tete |
Also Published As
Publication number | Publication date |
---|---|
CH588017A5 (fr) | 1977-05-31 |
US3993414A (en) | 1976-11-23 |
GB1482933A (en) | 1977-08-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |