FR3108681B1 - Ensemble pour turbomachine d’aeronef a soufflante entrainee par un reducteur de vitesse, l’ensemble comprenant un amortisseur a compression de film d’huile sous pression regulee - Google Patents
Ensemble pour turbomachine d’aeronef a soufflante entrainee par un reducteur de vitesse, l’ensemble comprenant un amortisseur a compression de film d’huile sous pression regulee Download PDFInfo
- Publication number
- FR3108681B1 FR3108681B1 FR2002850A FR2002850A FR3108681B1 FR 3108681 B1 FR3108681 B1 FR 3108681B1 FR 2002850 A FR2002850 A FR 2002850A FR 2002850 A FR2002850 A FR 2002850A FR 3108681 B1 FR3108681 B1 FR 3108681B1
- Authority
- FR
- France
- Prior art keywords
- assembly
- speed reducer
- oil film
- film compression
- oil
- 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.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract 2
- 230000006835 compression Effects 0.000 title abstract 2
- 238000007906 compression Methods 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 title 1
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
-
- 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
-
- 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
- F01D17/02—Arrangement of sensing elements
- F01D17/06—Arrangement of sensing elements responsive to speed
-
- 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
- F01D17/02—Arrangement of sensing elements
- F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
-
- 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
-
- 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
- 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
- F01D25/18—Lubricating arrangements
- F01D25/20—Lubricating arrangements using lubrication pumps
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
Abstract
L’invention concerne un ensemble (30) pour turbomachine d’aéronef comprenant une soufflante (15) entraînée par un réducteur de vitesse (20), l’ensemble comprenant : - un palier (22) de guidage d’un arbre (13), comprenant une bague extérieure (34) ; - un amortisseur (46) à compression de film d’huile, comprenant un espace annulaire (48) délimité radialement entre une surface extérieure (35) d’une bague extérieure (34) de palier, et une surface intérieure de logement (44) prévue sur un élément de stator (38) ; et - un circuit (62) d’alimentation en huile, comprenant un premier conduit (80) d’alimentation en huile de l’espace annulaire (48) de l’amortisseur, le circuit comportant un moyen (76) de mise en pression de l’huile, et, entre le moyen (76) et le premier conduit (80), un régulateur (78) de pression de l’huile. Figure pour l’abrégé : Figure 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2002850A FR3108681B1 (fr) | 2020-03-24 | 2020-03-24 | Ensemble pour turbomachine d’aeronef a soufflante entrainee par un reducteur de vitesse, l’ensemble comprenant un amortisseur a compression de film d’huile sous pression regulee |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2002850A FR3108681B1 (fr) | 2020-03-24 | 2020-03-24 | Ensemble pour turbomachine d’aeronef a soufflante entrainee par un reducteur de vitesse, l’ensemble comprenant un amortisseur a compression de film d’huile sous pression regulee |
FR2002850 | 2020-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3108681A1 FR3108681A1 (fr) | 2021-10-01 |
FR3108681B1 true FR3108681B1 (fr) | 2022-08-26 |
Family
ID=70457047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2002850A Active FR3108681B1 (fr) | 2020-03-24 | 2020-03-24 | Ensemble pour turbomachine d’aeronef a soufflante entrainee par un reducteur de vitesse, l’ensemble comprenant un amortisseur a compression de film d’huile sous pression regulee |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3108681B1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2876758B1 (fr) | 2004-10-19 | 2008-04-18 | Snecma Moteurs Sa | Dispositif de support et de guidage d'un arbre en rotation |
FR3018861B1 (fr) * | 2014-03-24 | 2016-04-08 | Snecma | Ensemble de transmission comprenant un organe de transmission et un systeme de distribution d'huile |
US9494048B1 (en) * | 2015-05-12 | 2016-11-15 | United Technologies Corporation | Active system for bearing oil damper supply and vibration control |
US10794283B2 (en) * | 2017-06-27 | 2020-10-06 | United Technologies Corporation | Damper check valve |
-
2020
- 2020-03-24 FR FR2002850A patent/FR3108681B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3108681A1 (fr) | 2021-10-01 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 2 |
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PLSC | Publication of the preliminary search report |
Effective date: 20211001 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
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PLFP | Fee payment |
Year of fee payment: 4 |
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PLFP | Fee payment |
Year of fee payment: 5 |