CA2855442C - Systeme de propulsion a soufflante ouverte contrarotative - Google Patents
Systeme de propulsion a soufflante ouverte contrarotative Download PDFInfo
- Publication number
- CA2855442C CA2855442C CA2855442A CA2855442A CA2855442C CA 2855442 C CA2855442 C CA 2855442C CA 2855442 A CA2855442 A CA 2855442A CA 2855442 A CA2855442 A CA 2855442A CA 2855442 C CA2855442 C CA 2855442C
- Authority
- CA
- Canada
- Prior art keywords
- fan
- driveshaft
- coupled
- engine
- propulsion system
- 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
- 239000012530 fluid Substances 0.000 claims description 30
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
- B64C11/48—Units of two or more coaxial propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
- B64D35/04—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
- B64D35/06—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
Dans un aspect, un système de propulsion comprend un moteur et un ensemble dentraînement couplé au moteur comprenant un premier arbre de transmission pouvant tourner dans une première direction autour dun premier axe, une première soufflante couplée au premier arbre de transmission afin de tourner dans le premier sens et un ensemble embrayage pour mettre hors prise sélectivement la première soufflante du premier arbre de transmission. Dautres aspects peuvent être décrits.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2855442A CA2855442C (fr) | 2014-06-30 | 2014-06-30 | Systeme de propulsion a soufflante ouverte contrarotative |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2855442A CA2855442C (fr) | 2014-06-30 | 2014-06-30 | Systeme de propulsion a soufflante ouverte contrarotative |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2855442A1 CA2855442A1 (fr) | 2015-12-30 |
CA2855442C true CA2855442C (fr) | 2017-12-19 |
Family
ID=54978828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2855442A Active CA2855442C (fr) | 2014-06-30 | 2014-06-30 | Systeme de propulsion a soufflante ouverte contrarotative |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2855442C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3087849B1 (fr) | 2018-10-26 | 2020-11-20 | Safran Aircraft Engines | Turbomachine a double helices non carenees |
-
2014
- 2014-06-30 CA CA2855442A patent/CA2855442C/fr active Active
Also Published As
Publication number | Publication date |
---|---|
CA2855442A1 (fr) | 2015-12-30 |
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