DE69100981D1 - Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks. - Google Patents
Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks.Info
- Publication number
- DE69100981D1 DE69100981D1 DE91402205T DE69100981T DE69100981D1 DE 69100981 D1 DE69100981 D1 DE 69100981D1 DE 91402205 T DE91402205 T DE 91402205T DE 69100981 T DE69100981 T DE 69100981T DE 69100981 D1 DE69100981 D1 DE 69100981D1
- Authority
- DE
- Germany
- Prior art keywords
- cams
- blades
- vibration damper
- fan drive
- fan
- 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
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
-
- 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
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9010107A FR2665726B1 (fr) | 1990-08-08 | 1990-08-08 | Soufflante de turbomachine a amortisseur dynamique a cames. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69100981D1 true DE69100981D1 (de) | 1994-02-24 |
DE69100981T2 DE69100981T2 (de) | 1994-05-11 |
Family
ID=9399516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE91402205T Expired - Fee Related DE69100981T2 (de) | 1990-08-08 | 1991-08-08 | Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5143517A (de) |
EP (1) | EP0470907B1 (de) |
DE (1) | DE69100981T2 (de) |
FR (1) | FR2665726B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6478544B2 (en) | 2000-05-08 | 2002-11-12 | Alstom (Switzerland) Ltd | Blade arrangement with damping elements |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5415526A (en) * | 1993-11-19 | 1995-05-16 | Mercadante; Anthony J. | Coolable rotor assembly |
FR2726323B1 (fr) * | 1994-10-26 | 1996-12-13 | Snecma | Ensemble d'un disque rotatif et d'aubes, notamment utilise dans une turbomachine |
FR2739135B1 (fr) * | 1995-09-21 | 1997-10-31 | Snecma | Agencement amortisseur monte entre des aubes de rotor |
GB9724731D0 (en) * | 1997-11-25 | 1998-01-21 | Rolls Royce Plc | Friction damper |
US6042336A (en) * | 1998-11-25 | 2000-03-28 | United Technologies Corporation | Offset center of gravity radial damper |
GB2344383B (en) * | 1998-12-01 | 2002-06-26 | Rolls Royce Plc | A bladed rotor |
EP1180196B1 (de) * | 1999-05-14 | 2005-02-16 | Siemens Aktiengesellschaft | Strömungsmaschine mit einem dichtsystem für einen rotor |
GB0523106D0 (en) * | 2005-11-12 | 2005-12-21 | Rolls Royce Plc | A cooliing arrangement |
EP1925781A1 (de) * | 2006-11-23 | 2008-05-28 | Siemens Aktiengesellschaft | Schaufelanordnung |
DE102009011964A1 (de) * | 2009-03-05 | 2010-09-09 | Mtu Aero Engines Gmbh | Rotor für eine Strömungsmaschine |
DE102010052965B4 (de) * | 2010-11-30 | 2014-06-12 | MTU Aero Engines AG | Dämpfungsmittel zum Dämpfen einer Schaufelbewegung einer Turbomaschine |
EP2520768A1 (de) | 2011-05-02 | 2012-11-07 | MTU Aero Engines AG | Dichteinrichtung für einen integral beschaufelten Rotorgrundkörper einer Strömungsmaschine |
US20130011271A1 (en) * | 2011-07-05 | 2013-01-10 | United Technologies Corporation | Ceramic matrix composite components |
US8985956B2 (en) * | 2011-09-19 | 2015-03-24 | General Electric Company | Compressive stress system for a gas turbine engine |
FR3003294B1 (fr) * | 2013-03-15 | 2018-03-30 | Safran Aircraft Engines | Soufflante de turbomoteur a flux multiple, et turbomoteur equipe d'une telle soufflante |
US10197009B2 (en) * | 2014-07-30 | 2019-02-05 | Pratt & Whitney Canada Corp. | Gas turbine engine ejector |
FR3037097B1 (fr) * | 2015-06-03 | 2017-06-23 | Snecma | Aube composite comprenant une plateforme munie d'un raidisseur |
US10662784B2 (en) | 2016-11-28 | 2020-05-26 | Raytheon Technologies Corporation | Damper with varying thickness for a blade |
US10731479B2 (en) | 2017-01-03 | 2020-08-04 | Raytheon Technologies Corporation | Blade platform with damper restraint |
US10677073B2 (en) * | 2017-01-03 | 2020-06-09 | Raytheon Technologies Corporation | Blade platform with damper restraint |
US10220461B2 (en) * | 2017-04-12 | 2019-03-05 | General Electric Company | Hole drilling elastically deformed superalloy turbine blade |
JP7168395B2 (ja) * | 2018-09-26 | 2022-11-09 | 三菱重工航空エンジン株式会社 | ロータアッセンブリ及び回転機械 |
US11193376B2 (en) | 2020-02-10 | 2021-12-07 | Raytheon Technologies Corporation | Disk supported damper for a gas turbine engine |
CN114382549B (zh) * | 2020-10-21 | 2024-04-23 | 中国航发商用航空发动机有限责任公司 | 涡轮和航空发动机 |
US20230194096A1 (en) * | 2021-12-17 | 2023-06-22 | Pratt & Whitney Canada Corp. | Exhaust system for a gas turbine engine and method for using same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1263677A (fr) * | 1960-07-29 | 1961-06-09 | Havilland Engine Co Ltd | Dispositif antivibratoire applicable à des organes rotatifs |
US3666376A (en) * | 1971-01-05 | 1972-05-30 | United Aircraft Corp | Turbine blade damper |
US4101245A (en) * | 1976-12-27 | 1978-07-18 | United Technologies Corporation | Interblade damper and seal for turbomachinery rotor |
US4182598A (en) * | 1977-08-29 | 1980-01-08 | United Technologies Corporation | Turbine blade damper |
GB2112466A (en) * | 1981-12-30 | 1983-07-20 | Rolls Royce | Rotor blade vibration damping |
SU1127979A1 (ru) * | 1983-02-23 | 1984-12-07 | Предприятие П/Я Р-6837 | Рабочее колесо турбомашины |
FR2585069B1 (fr) * | 1985-07-16 | 1989-06-09 | Snecma | Dispositif de limitation du debattement angulaire d'aubes montees sur un disque de rotor de turbomachine |
JPH0295702A (ja) * | 1988-09-30 | 1990-04-06 | Hitachi Ltd | 動翼制振装置 |
-
1990
- 1990-08-08 FR FR9010107A patent/FR2665726B1/fr not_active Expired - Fee Related
-
1991
- 1991-08-08 DE DE91402205T patent/DE69100981T2/de not_active Expired - Fee Related
- 1991-08-08 EP EP91402205A patent/EP0470907B1/de not_active Expired - Lifetime
- 1991-08-08 US US07/742,010 patent/US5143517A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6478544B2 (en) | 2000-05-08 | 2002-11-12 | Alstom (Switzerland) Ltd | Blade arrangement with damping elements |
Also Published As
Publication number | Publication date |
---|---|
US5143517A (en) | 1992-09-01 |
EP0470907B1 (de) | 1994-01-12 |
EP0470907A1 (de) | 1992-02-12 |
FR2665726B1 (fr) | 1993-07-02 |
FR2665726A1 (fr) | 1992-02-14 |
DE69100981T2 (de) | 1994-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69100981D1 (de) | Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks. | |
BR9007987A (pt) | Maquina-ferramenta conduzida manualmente,com ventoinha radial | |
DE68900238D1 (de) | Statorgitter mit eingebauten oelleitungen fuer eine turbomaschine. | |
DE69108946D1 (de) | Vibrationswellenmotor. | |
DE69106284D1 (de) | Vibrationsgenerator. | |
DE69107653D1 (de) | Helicopterrotor mit elastischen Blättern und verbesserten Vibrationsdämpfern zwischen Antriebswelle und dem elastischen Zwischenglied. | |
DE69205262D1 (de) | Antriebsbuchse für Propeller. | |
DE69109532D1 (de) | Klimaanlage. | |
DE69109045D1 (de) | Antriebseinheit mit zwei Motoren für Frachtgüter. | |
DE3867926D1 (de) | Elektronisch steuerbarer schwingungsdaempfer, anwendbar fuer kraftfahrzeugmotoren oder dergleichen. | |
DE69106215D1 (de) | Antriebsteiler für den Hauptrotor eines Hubschraubers mit Drehschwingungsdämpfer aus Elastomerwerkstoff. | |
DE69100601D1 (de) | Regelung der Motorleistung eines Kraftfahrzeuges. | |
DE68917525D1 (de) | Antriebsanordnung vom Schwingungstyp. | |
DE69100652D1 (de) | Turbomaschinenrotor mit Schaufelbefestigung. | |
DE69107918D1 (de) | Schwingungsdämpfer. | |
DE69103238D1 (de) | Kühlungsgebläse für ein Kraftfahrzeug. | |
FI904469A0 (fi) | Kondenserade diazepinoner, foerfarande foer deras framstaellning och dessa foereningar innehaollande laekemedel. | |
DE69000944D1 (de) | Schrittweise arbeitende ventiltriebsanordnung. | |
DE69604441D1 (de) | Rotor mit einer Dämpfungsvorrichtung für die Schwenkbewegung der Rotorblätter | |
DE68922453D1 (de) | Schwingungswellen-Antriebsanordnung. | |
DE69014646D1 (de) | Ruhiger flügel für lüfter mit kupplung. | |
DE69106819D1 (de) | Durch Vibrationen angetriebener Motor. | |
DE59101611D1 (de) | Schwingungs-Tilger. | |
FR2659403B1 (fr) | Arbre de transmission. | |
DE68910079D1 (de) | Lüfterzarge für Kühler. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SNECMA MOTEURS, PARIS, FR |
|
8339 | Ceased/non-payment of the annual fee |