FR2181021B1 - - Google Patents
Info
- Publication number
- FR2181021B1 FR2181021B1 FR7314417A FR7314417A FR2181021B1 FR 2181021 B1 FR2181021 B1 FR 2181021B1 FR 7314417 A FR7314417 A FR 7314417A FR 7314417 A FR7314417 A FR 7314417A FR 2181021 B1 FR2181021 B1 FR 2181021B1
- 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.)
- Expired
Links
Classifications
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- 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
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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
- 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
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2218874A DE2218874C3 (en) | 1972-04-19 | 1972-04-19 | Device for adjusting the fan blades of a turbine jet engine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2181021A1 FR2181021A1 (en) | 1973-11-30 |
FR2181021B1 true FR2181021B1 (en) | 1977-07-29 |
Family
ID=5842410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7314417A Expired FR2181021B1 (en) | 1972-04-19 | 1973-04-19 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3924404A (en) |
DE (1) | DE2218874C3 (en) |
FR (1) | FR2181021B1 (en) |
GB (1) | GB1420679A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2834860A1 (en) * | 1978-08-09 | 1980-03-13 | Motoren Turbinen Union | ADJUSTABLE FLOW DIVIDER FOR FLOW MACHINES, ESPECIALLY GAS TURBINE JET ENGINES |
US4657484A (en) * | 1984-09-04 | 1987-04-14 | General Electric Company | Blade pitch varying means |
US4704862A (en) * | 1985-05-29 | 1987-11-10 | United Technologies Corporation | Ducted prop engine |
US4758129A (en) * | 1985-05-31 | 1988-07-19 | General Electric Company | Power frame |
US4718823A (en) * | 1987-02-24 | 1988-01-12 | United Technologies Corporation | Pitch changing mechanism for fan blades |
US6863239B2 (en) * | 2003-02-27 | 2005-03-08 | General Dynamics Advanced Information Systems, Inc. | Fluid conduit for use with hydraulic actuator |
EP2074322B1 (en) * | 2006-10-12 | 2013-01-16 | United Technologies Corporation | Turbofan engine |
US7878764B2 (en) | 2007-07-23 | 2011-02-01 | Caterpillar Inc. | Adjustable fan and method |
CN114810416B (en) * | 2022-06-27 | 2022-09-23 | 中国航发四川燃气涡轮研究院 | Zigzag variable cycle engine adjustable front duct ejector structure |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1085964A (en) * | 1914-02-03 | John J Briggs | Device for setting and locking the reverse mechanism of locomotives. | |
GB430557A (en) * | 1933-09-19 | 1935-06-20 | Georges Lafond | Improvements in and relating to variable pitch propellers |
US2118890A (en) * | 1936-11-27 | 1938-05-31 | Servo Frein Dewandre Sa | Control device with predetermined successive positions |
US2969118A (en) * | 1957-08-21 | 1961-01-24 | United Aircraft Corp | Motor utilizing combined action of splines and cams |
US3251278A (en) * | 1964-12-16 | 1966-05-17 | Robert H Royster | Fluid pressure actuator with fluid pressure controlled locking means |
GB1196588A (en) * | 1966-11-09 | 1970-07-01 | British Aircraft Corp Ltd Form | Improvements relating to Turbo-fan Aircraft Engines |
US3467198A (en) * | 1966-12-05 | 1969-09-16 | Rolls Royce | Gear transmission |
US3498187A (en) * | 1968-05-13 | 1970-03-03 | Sargent Industries | Hydraulically operated rack and pinion actuator |
GB1296063A (en) * | 1969-05-03 | 1972-11-15 | ||
GB1294898A (en) * | 1969-12-13 | 1972-11-01 |
-
1972
- 1972-04-19 DE DE2218874A patent/DE2218874C3/en not_active Expired
-
1973
- 1973-04-18 GB GB1886473A patent/GB1420679A/en not_active Expired
- 1973-04-19 FR FR7314417A patent/FR2181021B1/fr not_active Expired
- 1973-04-19 US US353387A patent/US3924404A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
USB353387I5 (en) | 1975-01-28 |
DE2218874A1 (en) | 1973-10-25 |
DE2218874B2 (en) | 1978-09-21 |
GB1420679A (en) | 1976-01-07 |
FR2181021A1 (en) | 1973-11-30 |
DE2218874C3 (en) | 1979-05-17 |
US3924404A (en) | 1975-12-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |