CA1270802A - Helice transsonique a stabilite accrue - Google Patents
Helice transsonique a stabilite accrueInfo
- Publication number
- CA1270802A CA1270802A CA000488883A CA488883A CA1270802A CA 1270802 A CA1270802 A CA 1270802A CA 000488883 A CA000488883 A CA 000488883A CA 488883 A CA488883 A CA 488883A CA 1270802 A CA1270802 A CA 1270802A
- Authority
- CA
- Canada
- Prior art keywords
- prop
- blade
- fan
- blades
- tip
- 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.)
- Expired - Lifetime
Links
- 230000000694 effects Effects 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 16
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 101100515517 Arabidopsis thaliana XI-I gene Proteins 0.000 description 1
- 101100309040 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) lea-1 gene Proteins 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- B64C11/16—Blades
- B64C11/18—Aerodynamic features
-
- 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
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Percussion Or Vibration Massage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69911985A | 1985-02-07 | 1985-02-07 | |
| US699,119 | 1985-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1270802A true CA1270802A (fr) | 1990-06-26 |
Family
ID=24808020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000488883A Expired - Lifetime CA1270802A (fr) | 1985-02-07 | 1985-08-16 | Helice transsonique a stabilite accrue |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS61181798A (fr) |
| BR (1) | BR8504907A (fr) |
| CA (1) | CA1270802A (fr) |
| DE (1) | DE3535399A1 (fr) |
| FR (1) | FR2576872B1 (fr) |
| GB (1) | GB2170868B (fr) |
| IT (1) | IT1185996B (fr) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2605588B1 (fr) * | 1986-10-24 | 1989-04-28 | Onera (Off Nat Aerospatiale) | Perfectionnements apportes aux helices aeriennes, notamment pour propulseurs d'aeronef |
| DE3738785A1 (de) * | 1986-11-19 | 1988-05-26 | Gen Electric | Gegenlaeufig rotierende flugzeug-antriebsschaufeln |
| USRE34207E (en) * | 1986-11-19 | 1993-03-30 | General Electric Company | Counterrotating aircraft propulsor blades |
| US5102302A (en) * | 1988-06-02 | 1992-04-07 | General Electric Company | Fan blade mount |
| US5165856A (en) * | 1988-06-02 | 1992-11-24 | General Electric Company | Fan blade mount |
| GB2220712B (en) * | 1988-07-13 | 1992-12-09 | Rolls Royce Plc | Open rotor blading |
| US4971641A (en) * | 1988-11-14 | 1990-11-20 | General Electric Company | Method of making counterrotating aircraft propeller blades |
| US6071077A (en) * | 1996-04-09 | 2000-06-06 | Rolls-Royce Plc | Swept fan blade |
| RU2256585C1 (ru) * | 2004-01-20 | 2005-07-20 | Общество С Ограниченной Ответственностью "Мидера-К" | Воздушный винт |
| GB2469516A (en) * | 2009-04-17 | 2010-10-20 | Insensys Ltd | Rotor blade with optical strain sensors covered by erosion shield |
| US20130340406A1 (en) * | 2012-01-31 | 2013-12-26 | Edward J. Gallagher | Fan stagger angle for geared gas turbine engine |
| EP3108113A4 (fr) | 2014-02-19 | 2017-03-15 | United Technologies Corporation | Profil aérodynamique de turbine à gaz |
| WO2015126451A1 (fr) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Surface portante de moteur à turbine à gaz |
| EP3108117B2 (fr) | 2014-02-19 | 2023-10-11 | Raytheon Technologies Corporation | Profil aérodynamique de turbine à gaz |
| US9567858B2 (en) | 2014-02-19 | 2017-02-14 | United Technologies Corporation | Gas turbine engine airfoil |
| WO2015175045A2 (fr) | 2014-02-19 | 2015-11-19 | United Technologies Corporation | Surface portante de moteur à turbine à gaz |
| WO2015126453A1 (fr) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Profil aérodynamique de moteur à turbine à gaz |
| WO2015178974A2 (fr) | 2014-02-19 | 2015-11-26 | United Technologies Corporation | Surface portante de moteur à turbine à gaz |
| EP3108106B1 (fr) | 2014-02-19 | 2022-05-04 | Raytheon Technologies Corporation | Pale de moteur à turbine à gaz |
| US9140127B2 (en) | 2014-02-19 | 2015-09-22 | United Technologies Corporation | Gas turbine engine airfoil |
| EP3108121B1 (fr) | 2014-02-19 | 2023-09-06 | Raytheon Technologies Corporation | Moteur à double flux à engrenage avec aubes de compresseur basse pression |
| EP3108101B1 (fr) * | 2014-02-19 | 2022-04-20 | Raytheon Technologies Corporation | Profil aérodynamique de moteur à turbine à gaz |
| EP3108104B1 (fr) | 2014-02-19 | 2019-06-12 | United Technologies Corporation | Surface portante de moteur à turbine à gaz |
| EP3575551B1 (fr) | 2014-02-19 | 2021-10-27 | Raytheon Technologies Corporation | Surface portante de moteur à turbine à gaz |
| WO2015126941A1 (fr) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Profil aérodynamique de moteur à turbine à gaz |
| US9599064B2 (en) | 2014-02-19 | 2017-03-21 | United Technologies Corporation | Gas turbine engine airfoil |
| WO2015175044A2 (fr) | 2014-02-19 | 2015-11-19 | United Technologies Corporation | Profil aérodynamique de moteur à turbine à gaz |
| WO2015126715A1 (fr) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Profil aérodynamique de turbine à gaz |
| US10465702B2 (en) | 2014-02-19 | 2019-11-05 | United Technologies Corporation | Gas turbine engine airfoil |
| EP3108115B8 (fr) | 2014-02-19 | 2023-11-08 | RTX Corporation | Moteur à double flux à engrenage avec aubes mobiles de compresseur basse pression |
| EP3985226B1 (fr) | 2014-02-19 | 2024-12-25 | RTX Corporation | Profil d'aube pour moteur à turbine à gaz |
| EP4279706A3 (fr) | 2014-02-19 | 2024-02-28 | RTX Corporation | Aube de turbine à gaz |
| WO2015126450A1 (fr) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Surface portante pour turbine à gaz |
| FR3045564B1 (fr) * | 2015-12-21 | 2018-08-17 | Airbus Helicopters | Pale de rotor d'aeronef a geometrie adaptee pour l'amelioration acoustique lors de vols d'approche et l'amelioration des performances en vols stationnaire et d'avancement |
| FR3045565B1 (fr) | 2015-12-21 | 2018-07-27 | Airbus Helicopters | Pale de rotor d'aeronef a geometrie adaptee pour l'ameloration acoustique lors d'un vol d'approche et l'amelioration des performances en vol d'avancement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989406A (en) * | 1974-11-26 | 1976-11-02 | Bolt Beranek And Newman, Inc. | Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like |
| US4171183A (en) * | 1976-09-24 | 1979-10-16 | United Technologies Corporation | Multi-bladed, high speed prop-fan |
| US4358246A (en) * | 1979-07-16 | 1982-11-09 | United Technologies Corporation | Noise reduction means for prop-fan and the construction thereof |
-
1985
- 1985-08-16 CA CA000488883A patent/CA1270802A/fr not_active Expired - Lifetime
- 1985-10-02 GB GB08524280A patent/GB2170868B/en not_active Expired
- 1985-10-03 DE DE19853535399 patent/DE3535399A1/de not_active Withdrawn
- 1985-10-04 BR BR8504907A patent/BR8504907A/pt not_active IP Right Cessation
- 1985-10-07 IT IT22377/85A patent/IT1185996B/it active
- 1985-10-07 JP JP60223447A patent/JPS61181798A/ja active Pending
- 1985-10-07 FR FR8514818A patent/FR2576872B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2576872A1 (fr) | 1986-08-08 |
| GB2170868A (en) | 1986-08-13 |
| IT8522377A0 (it) | 1985-10-07 |
| BR8504907A (pt) | 1986-12-16 |
| GB8524280D0 (en) | 1985-11-06 |
| DE3535399A1 (de) | 1986-08-07 |
| JPS61181798A (ja) | 1986-08-14 |
| GB2170868B (en) | 1988-07-13 |
| FR2576872B1 (fr) | 1987-07-24 |
| IT1185996B (it) | 1987-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |