CA1161763A - Amortisseur a l'huile avec dispositif de centrage du rotor - Google Patents
Amortisseur a l'huile avec dispositif de centrage du rotorInfo
- Publication number
- CA1161763A CA1161763A CA000386292A CA386292A CA1161763A CA 1161763 A CA1161763 A CA 1161763A CA 000386292 A CA000386292 A CA 000386292A CA 386292 A CA386292 A CA 386292A CA 1161763 A CA1161763 A CA 1161763A
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- bearing
- shaft
- blades
- cavity
- 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
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
- 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
- F01D25/164—Flexible supports; Vibration damping means associated with the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
- F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21530280A | 1980-12-11 | 1980-12-11 | |
US215,302 | 1980-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1161763A true CA1161763A (fr) | 1984-02-07 |
Family
ID=22802443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000386292A Expired CA1161763A (fr) | 1980-12-11 | 1981-09-21 | Amortisseur a l'huile avec dispositif de centrage du rotor |
Country Status (4)
Country | Link |
---|---|
JP (2) | JPS57173613A (fr) |
CA (1) | CA1161763A (fr) |
FR (1) | FR2496169B1 (fr) |
GB (1) | GB2089442B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57179418A (en) * | 1981-04-30 | 1982-11-05 | Hitachi Ltd | Flexible damping bearing |
US4429923A (en) * | 1981-12-08 | 1984-02-07 | United Technologies Corporation | Bearing support structure |
US4453783A (en) * | 1981-12-28 | 1984-06-12 | United Technologies Corporation | Bearing support structure |
US4570045A (en) * | 1984-03-08 | 1986-02-11 | Jeppson Morris R | Conveyorized microwave heating chamber with dielectric wall structure |
GB8421142D0 (en) * | 1984-08-20 | 1984-09-26 | Brown R D | Damping device |
US4657410A (en) * | 1986-03-25 | 1987-04-14 | United Technologies Corporation | Nutation damper |
DE4019720A1 (de) * | 1990-06-21 | 1992-01-09 | Bmw Rolls Royce Gmbh | Druckflusskalibrierung beim quetschoeldaempfer |
FR3009843B1 (fr) * | 2013-08-26 | 2015-09-25 | Snecma | Colonnettes de support d'une bague exterieure de palier de roulement pour turbomachine d'aeronef, et procede de montage desdites colonnettes |
US9488071B2 (en) | 2015-03-27 | 2016-11-08 | United Technologies Corporation | Piston ring anti-rotation |
FR3085408B1 (fr) * | 2018-08-28 | 2020-08-07 | Safran Aircraft Engines | Perfectionnements aux turbomachines |
FR3120899B1 (fr) * | 2021-03-18 | 2023-05-26 | Safran Aircraft Engines | Dispositif de centrage et de guidage d’un arbre de turbomachine d’aeronef |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB928250A (en) * | 1962-01-12 | 1963-06-12 | Rolls Royce | Bearing |
GB988500A (en) * | 1964-02-21 | 1965-04-07 | Rolls Royce | Bearing |
US3456992A (en) * | 1967-04-07 | 1969-07-22 | Curtiss Wright Corp | Vibration damping device |
GB1421377A (en) * | 1972-04-18 | 1976-01-14 | Rolls Royce | Bearing assemblies |
US3994541A (en) * | 1975-10-03 | 1976-11-30 | Carrier Corporation | Bearing assembly |
GB2033024A (en) * | 1978-10-19 | 1980-05-14 | Gen Electric | Bearing assembly with resilient support means |
US4214796A (en) * | 1978-10-19 | 1980-07-29 | General Electric Company | Bearing assembly with multiple squeeze film damper apparatus |
-
1981
- 1981-09-21 CA CA000386292A patent/CA1161763A/fr not_active Expired
- 1981-11-03 GB GB8133038A patent/GB2089442B/en not_active Expired
- 1981-11-30 JP JP56192697A patent/JPS57173613A/ja active Pending
- 1981-11-30 FR FR8122359A patent/FR2496169B1/fr not_active Expired
-
1990
- 1990-03-16 JP JP1990027115U patent/JPH02119521U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2496169B1 (fr) | 1988-04-29 |
GB2089442B (en) | 1985-03-27 |
GB2089442A (en) | 1982-06-23 |
FR2496169A1 (fr) | 1982-06-18 |
JPH02119521U (fr) | 1990-09-26 |
JPS57173613A (en) | 1982-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4457667A (en) | Viscous damper with rotor centering means | |
US4046430A (en) | Damped intershaft bearing and stabilizer | |
US3910651A (en) | Shaft bearing assemblies | |
EP0164220B1 (fr) | Amortisseur à couche fluidique comprimée | |
EP3159559B1 (fr) | Système amortisseur à compression de film d'huile pour moteur à turbine à gaz avec ressorts radiaux comportant fluide magnéto-rhéologique | |
US4981415A (en) | Support for oil film dampers | |
US8337090B2 (en) | Bearing support flexible ring | |
US4971458A (en) | Fluid damper and spring | |
EP2224103B1 (fr) | Support de palier avec amortisseur à coussin de fluide | |
EP0874137B1 (fr) | Support de palier pour un turboréacteur | |
EP2519754B1 (fr) | Machines tournantes équipées d'un système amortisseur | |
US4867655A (en) | Variable stiffness oil film damper | |
CA1161763A (fr) | Amortisseur a l'huile avec dispositif de centrage du rotor | |
US8267592B2 (en) | Bearing support | |
CA1316202C (fr) | Systeme de support de palier | |
GB2058245A (en) | Alleviating abnormal loadings in bearings | |
US4175803A (en) | Bearing assembly between inner and outer shafts having two roller bearings and two hydrodynamic or squeeze film bearings | |
US5058452A (en) | Hybrid squeeze film damper for active control of rotors | |
US5971706A (en) | Inter-rotor bearing assembly | |
USRE30210E (en) | Damped intershaft bearing and stabilizer | |
US3505813A (en) | Turbine engine with axial load balancing means for thrust bearing | |
Cookson et al. | The vibration isolating properties of uncentralized squeeze-film damper bearings supporting a flexible rotor | |
EP3835606A1 (fr) | Ressort de centrage incurvé pour un palier de butée | |
EP3783249B1 (fr) | Joint d'étanchéité sans contact ayant un agencement axial | |
CA2678324C (fr) | Bague de support de roulement flexible |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |