ES8406336A1 - Perfeccionamientos en helices de sustentacion para aeronaves - Google Patents
Perfeccionamientos en helices de sustentacion para aeronavesInfo
- Publication number
- ES8406336A1 ES8406336A1 ES525921A ES525921A ES8406336A1 ES 8406336 A1 ES8406336 A1 ES 8406336A1 ES 525921 A ES525921 A ES 525921A ES 525921 A ES525921 A ES 525921A ES 8406336 A1 ES8406336 A1 ES 8406336A1
- Authority
- ES
- Spain
- Prior art keywords
- blades
- forces
- blade
- rotor
- aerodynamic
- 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
Links
- 238000005452 bending Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
- Radio Relay Systems (AREA)
- Retarders (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Toys (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
PERFECCIONAMIENTOS EN HELICES DE SUSTENTACION PARA AERONAVES.CONSISTENTES EN: A) CADA UNA DE LAS DOS PALAS GIRA RESPECTO AL PRIMER EJE LONGITUDINAL POR UN PUNTO DE SU PERFIL TRANSVERSAL DISTANCIADO DEL CENTRO AERODINAMICO DEL MISMO UNA DETERMINADA DISTANCIA, CON LO CUAL, AL GIRAR Y AVANZAR SIMULTANEAMENTE LA HELICE, SE CREAN EN CADA UNA DE LAS PALAS PARES ANTAGONISTAS QUE SE EQUILIBRAN AL IR VARIANDO AUTOMATICAMENTE EL ANGULO DE ATAQUE DE CADA UNA DE LAS PALAS SEGUN LA POSICION EN QUE SE ENCUENTRAN RESPECTO AL MOVIMIENTO DE AVANCE; B) CADA UNADE LAS PALAS ESTA PROVISTA DE UN RESORTE DE EQUILIBRIO PARA GARANTIZAR EN LAS PALAS ANGULOS DE ATAQUE IGUALES AL INICIAR LA ROTACION, Y DE UN AMORTIGUADOR ASOCIADO AL RESORTE, PARA SUAVIZAR LAS OSCILACIONES Y LAS VIBRACIONES; C) LAS HELICES ESTAN PROVISTAS DE UN DISPOSITIVO QUE PERMITE VARIAR EL ANGULO DE ATAQUE DE CADA UNA DE LAS PALAS TANTO EN REPOSO COMO EN ROTACION O EN VUELO.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES525921A ES525921A0 (es) | 1983-09-26 | 1983-09-26 | Perfeccionamientos en helices de sustentacion para aeronaves |
IT22599/84A IT1176699B (it) | 1983-09-26 | 1984-09-10 | Perfezionamenti nelle eliche di sostentamento per velivoli, atti a migliorare le condizioni di volo |
DE19843433945 DE3433945A1 (de) | 1983-09-26 | 1984-09-15 | Tragrotor fuer luftfahrzeuge |
GB08424116A GB2148816A (en) | 1983-09-26 | 1984-09-24 | Aircraft lift rotors |
NL8402922A NL8402922A (nl) | 1983-09-26 | 1984-09-25 | Hefschroef voor luchtvaartuigen. |
JP59201416A JPS6092999A (ja) | 1983-09-26 | 1984-09-26 | 航空機用主回転翼 |
FR8414807A FR2552395A1 (fr) | 1983-09-26 | 1984-09-26 | Perfectionnements apportes aux helices sustentatrices pour aeronefs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES525921A ES525921A0 (es) | 1983-09-26 | 1983-09-26 | Perfeccionamientos en helices de sustentacion para aeronaves |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8406336A1 true ES8406336A1 (es) | 1984-08-01 |
ES525921A0 ES525921A0 (es) | 1984-08-01 |
Family
ID=8486261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES525921A Granted ES525921A0 (es) | 1983-09-26 | 1983-09-26 | Perfeccionamientos en helices de sustentacion para aeronaves |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS6092999A (es) |
DE (1) | DE3433945A1 (es) |
ES (1) | ES525921A0 (es) |
FR (1) | FR2552395A1 (es) |
GB (1) | GB2148816A (es) |
IT (1) | IT1176699B (es) |
NL (1) | NL8402922A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57186733A (en) * | 1981-05-13 | 1982-11-17 | Toyo Contact Lens Co Ltd | Agent for use in contact lenses |
JP5281187B1 (ja) * | 2012-11-26 | 2013-09-04 | 忠 岩田 | ヘリコプター用回転翼システム |
DE102015121502A1 (de) * | 2015-12-10 | 2017-06-14 | Christoph Fraundorfer | Tragschrauberrotorblatt zur autorotatorischen Auftriebserzeugung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1421699A (en) * | 1918-06-19 | 1922-07-04 | Lindsay William | Aeroplane propeller |
FR582813A (fr) * | 1922-12-16 | 1924-12-29 | Hélice oscillante | |
GB271842A (en) * | 1926-05-31 | 1927-11-24 | Etienne Oehmichen | Propelling or lifting device for aircraft with automatic correction |
GB397120A (en) * | 1932-02-15 | 1933-08-15 | Walter Charles Pitter | Improvements in flying machines, and in apparatus for the propulsion of fluids |
GB760471A (en) * | 1950-11-06 | 1956-10-31 | Patrick David Lloyd | Improvements in or relating to lift rotors for aircraft |
US3768923A (en) * | 1969-09-18 | 1973-10-30 | United Aircraft Corp | Variable length blade |
US3942387A (en) * | 1974-10-15 | 1976-03-09 | United Technologies Corporation | Replaceable freewheel unit for helicopters |
US4028003A (en) * | 1976-04-12 | 1977-06-07 | United Technologies Corporation | Torsionally compliant helicopter rotor blade with improved stability and performance characteristics |
US4195966A (en) * | 1978-07-03 | 1980-04-01 | Cornelius George W | Pitch control system for helicopter rotor blades |
-
1983
- 1983-09-26 ES ES525921A patent/ES525921A0/es active Granted
-
1984
- 1984-09-10 IT IT22599/84A patent/IT1176699B/it active
- 1984-09-15 DE DE19843433945 patent/DE3433945A1/de not_active Withdrawn
- 1984-09-24 GB GB08424116A patent/GB2148816A/en not_active Withdrawn
- 1984-09-25 NL NL8402922A patent/NL8402922A/nl not_active Application Discontinuation
- 1984-09-26 JP JP59201416A patent/JPS6092999A/ja active Pending
- 1984-09-26 FR FR8414807A patent/FR2552395A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT8422599A0 (it) | 1984-09-10 |
FR2552395A1 (fr) | 1985-03-29 |
GB8424116D0 (en) | 1984-10-31 |
GB2148816A (en) | 1985-06-05 |
NL8402922A (nl) | 1985-04-16 |
DE3433945A1 (de) | 1985-04-11 |
IT1176699B (it) | 1987-08-18 |
ES525921A0 (es) | 1984-08-01 |
JPS6092999A (ja) | 1985-05-24 |
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