FR2960923B1 - Controle de la poussee axiale par guidage de l'air preleve sur un compresseur centrifuge - Google Patents
Controle de la poussee axiale par guidage de l'air preleve sur un compresseur centrifugeInfo
- Publication number
- FR2960923B1 FR2960923B1 FR1054486A FR1054486A FR2960923B1 FR 2960923 B1 FR2960923 B1 FR 2960923B1 FR 1054486 A FR1054486 A FR 1054486A FR 1054486 A FR1054486 A FR 1054486A FR 2960923 B1 FR2960923 B1 FR 2960923B1
- Authority
- FR
- France
- Prior art keywords
- disc
- centrifugal compressor
- guiding air
- casing
- guide vane
- 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
- 238000002485 combustion reaction Methods 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
- F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
- F01D3/04—Machines or engines with axial-thrust balancing effected by working-fluid axial thrust being compensated by thrust-balancing dummy piston or the like
-
- 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- 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
- 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
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
- F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
- F04D29/0516—Axial thrust balancing balancing pistons
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054486A FR2960923B1 (fr) | 2010-06-08 | 2010-06-08 | Controle de la poussee axiale par guidage de l'air preleve sur un compresseur centrifuge |
US13/154,775 US8938975B2 (en) | 2010-06-08 | 2011-06-07 | Control of axial thrust by guidance of the air drawn off from a centrifugal compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054486A FR2960923B1 (fr) | 2010-06-08 | 2010-06-08 | Controle de la poussee axiale par guidage de l'air preleve sur un compresseur centrifuge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2960923A1 FR2960923A1 (fr) | 2011-12-09 |
FR2960923B1 true FR2960923B1 (fr) | 2013-12-20 |
Family
ID=43501604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1054486A Active FR2960923B1 (fr) | 2010-06-08 | 2010-06-08 | Controle de la poussee axiale par guidage de l'air preleve sur un compresseur centrifuge |
Country Status (2)
Country | Link |
---|---|
US (1) | US8938975B2 (fr) |
FR (1) | FR2960923B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013207220B3 (de) * | 2013-04-22 | 2014-09-18 | Siemens Aktiengesellschaft | Turbomaschine |
WO2015127944A1 (fr) * | 2014-02-26 | 2015-09-03 | Volvo Truck Corporation | Unité de turbomoteur à échangeur de chaleur |
AU2017229346B2 (en) * | 2016-03-08 | 2020-05-21 | Fluid Handling Llc | Center bushing to balance axial forces in multi-stage pumps |
DE102019123002A1 (de) * | 2019-08-27 | 2021-03-04 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbinentriebwerk eines Luftfahrzeuges |
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 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2230229A5 (fr) * | 1973-05-16 | 1974-12-13 | Onera (Off Nat Aerospatiale) | |
US5297928A (en) * | 1992-06-15 | 1994-03-29 | Mitsubishi Jukogyo Kabushiki Kaisha | Centrifugal compressor |
US6035627A (en) | 1998-04-21 | 2000-03-14 | Pratt & Whitney Canada Inc. | Turbine engine with cooled P3 air to impeller rear cavity |
JP4091874B2 (ja) * | 2003-05-21 | 2008-05-28 | 本田技研工業株式会社 | ガスタービンエンジンの二次エア供給装置 |
JP4675638B2 (ja) * | 2005-02-08 | 2011-04-27 | 本田技研工業株式会社 | ガスタービンエンジンの2次エア供給装置 |
FR2904035B1 (fr) | 2006-07-19 | 2008-08-29 | Snecma Sa | Systeme de refroidissement du rouet d'un compresseur centrifuge. |
FR2904037B1 (fr) * | 2006-07-19 | 2010-11-12 | Snecma | Ventilation d'une cavite aval de rouet de compresseur centrifuge |
US7682131B2 (en) * | 2006-09-28 | 2010-03-23 | Pratt & Whitney Canada Corp. | Impeller baffle with air cavity deswirlers |
DE102006048784A1 (de) * | 2006-10-12 | 2008-04-17 | Man Diesel Se | Verdichter für einen Turbolader sowie Verfahren zu dessen Kühlung |
US7775758B2 (en) * | 2007-02-14 | 2010-08-17 | Pratt & Whitney Canada Corp. | Impeller rear cavity thrust adjustor |
-
2010
- 2010-06-08 FR FR1054486A patent/FR2960923B1/fr active Active
-
2011
- 2011-06-07 US US13/154,775 patent/US8938975B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20110296842A1 (en) | 2011-12-08 |
US8938975B2 (en) | 2015-01-27 |
FR2960923A1 (fr) | 2011-12-09 |
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Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170719 |
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