FR2135647A1 - - Google Patents
Info
- Publication number
- FR2135647A1 FR2135647A1 FR7216068A FR7216068A FR2135647A1 FR 2135647 A1 FR2135647 A1 FR 2135647A1 FR 7216068 A FR7216068 A FR 7216068A FR 7216068 A FR7216068 A FR 7216068A FR 2135647 A1 FR2135647 A1 FR 2135647A1
- 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.)
- Granted
Links
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
- F01D7/00—Rotors with blades adjustable in operation; Control thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
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- 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
- F04D29/322—Blade mountings
- F04D29/323—Blade mountings adjustable
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- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
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- 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
- F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
-
- 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
- F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1417371A GB1371372A (en) | 1971-05-06 | 1971-05-06 | Variable pitch rotary blading |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2135647A1 true FR2135647A1 (fr) | 1972-12-22 |
FR2135647B1 FR2135647B1 (fr) | 1973-07-13 |
Family
ID=10036334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR727216068A Expired FR2135647B1 (fr) | 1971-05-06 | 1972-05-05 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3781131A (fr) |
DE (1) | DE2221896C3 (fr) |
FR (1) | FR2135647B1 (fr) |
GB (1) | GB1371372A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2992376A1 (fr) * | 2012-06-25 | 2013-12-27 | Snecma | Soufflante a calage variable par rotation differentielle des disques de soufflante |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9869190B2 (en) | 2014-05-30 | 2018-01-16 | General Electric Company | Variable-pitch rotor with remote counterweights |
US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
US10100653B2 (en) * | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
FR3055001B1 (fr) * | 2016-08-10 | 2022-04-01 | Safran Aircraft Engines | Systeme de changement de pas equipe de moyens de reglage du pas des pales et turbomachine correspondante |
CN109573000A (zh) * | 2018-12-31 | 2019-04-05 | 江西冠通用飞机有限公司 | 一种高精度安装的固定翼飞机螺旋桨 |
US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
-
1971
- 1971-05-06 GB GB1417371A patent/GB1371372A/en not_active Expired
-
1972
- 1972-04-28 US US00248410A patent/US3781131A/en not_active Expired - Lifetime
- 1972-05-04 DE DE2221896A patent/DE2221896C3/de not_active Expired
- 1972-05-05 FR FR727216068A patent/FR2135647B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2992376A1 (fr) * | 2012-06-25 | 2013-12-27 | Snecma | Soufflante a calage variable par rotation differentielle des disques de soufflante |
Also Published As
Publication number | Publication date |
---|---|
DE2221896C3 (de) | 1980-02-28 |
GB1371372A (en) | 1974-10-23 |
FR2135647B1 (fr) | 1973-07-13 |
DE2221896A1 (de) | 1972-12-07 |
DE2221896B2 (de) | 1979-06-28 |
US3781131A (en) | 1973-12-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address | ||
CD | Change of name or company name | ||
ST | Notification of lapse |