FR2395187A2 - AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES - Google Patents

AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES

Info

Publication number
FR2395187A2
FR2395187A2 FR7719485A FR7719485A FR2395187A2 FR 2395187 A2 FR2395187 A2 FR 2395187A2 FR 7719485 A FR7719485 A FR 7719485A FR 7719485 A FR7719485 A FR 7719485A FR 2395187 A2 FR2395187 A2 FR 2395187A2
Authority
FR
France
Prior art keywords
propulsion unit
aerodynamic propulsion
blades
gear blades
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.)
Granted
Application number
FR7719485A
Other languages
French (fr)
Other versions
FR2395187B2 (en
Inventor
Andre Schweisch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR7719485A priority Critical patent/FR2395187A2/en
Priority to IT6926577A priority patent/IT1091434B/en
Priority to GB72378A priority patent/GB1586042A/en
Publication of FR2395187A2 publication Critical patent/FR2395187A2/en
Application granted granted Critical
Publication of FR2395187B2 publication Critical patent/FR2395187B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/38—Adjustment of complete wings or parts thereof
    • B64C3/44—Varying camber
    • B64C3/48—Varying camber by relatively-movable parts of wing structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Retarders (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

Pale à pas ajustable d'appareil de propulsion aérodynamique à deux rotors à pales engrenantes comportant des moyens pour l'adaptation de son vrillage en fonction de son pas. Appareil de propulsion aérodynamique à deux rotors à pales engrenantes comprenant de telles pales.Adjustable pitch blade of an aerodynamic propulsion device with two meshing rotors comprising means for adapting its twist as a function of its pitch. Aerodynamic propulsion apparatus with two meshing blades rotors comprising such blades.

FR7719485A 1977-06-24 1977-06-24 AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES Granted FR2395187A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7719485A FR2395187A2 (en) 1977-06-24 1977-06-24 AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES
IT6926577A IT1091434B (en) 1977-06-24 1977-10-12 AERODYNAMIC PROPULSION DEVICE WITH DEU ROTORS WITH BLADES PROPELLERS BETWEEN THEM
GB72378A GB1586042A (en) 1977-06-24 1978-01-09 Aerodynamic propelling-gear with engaging rotors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7719485A FR2395187A2 (en) 1977-06-24 1977-06-24 AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES

Publications (2)

Publication Number Publication Date
FR2395187A2 true FR2395187A2 (en) 1979-01-19
FR2395187B2 FR2395187B2 (en) 1982-04-16

Family

ID=9192558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719485A Granted FR2395187A2 (en) 1977-06-24 1977-06-24 AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES

Country Status (3)

Country Link
FR (1) FR2395187A2 (en)
GB (1) GB1586042A (en)
IT (1) IT1091434B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364708A (en) * 1981-08-27 1982-12-21 David Constant V Windmill
WO1989004276A1 (en) * 1987-11-12 1989-05-18 Louis Joseph Daldosso Device for cyclic variation of the blade geometry of high-speed helicopters
GB2465975A (en) * 2008-12-02 2010-06-09 Vestas Wind Sys As Wind turbine control surface hinge

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103754363B (en) * 2014-02-11 2015-10-14 谷梦若 Rotor wingtip not displacement and the helicopter rotor system of lift-rising
GB2550889A (en) * 2016-05-27 2017-12-06 Teignbridge Propellers International Ltd Adjustable pitch propeller

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364708A (en) * 1981-08-27 1982-12-21 David Constant V Windmill
WO1989004276A1 (en) * 1987-11-12 1989-05-18 Louis Joseph Daldosso Device for cyclic variation of the blade geometry of high-speed helicopters
FR2623162A1 (en) * 1987-11-12 1989-05-19 Daldosso Louis DEVICE FOR CYCLIC VARIATION IN THE GEOMETRY OF BLADES FOR TURNED AIRCRAFT
GB2465975A (en) * 2008-12-02 2010-06-09 Vestas Wind Sys As Wind turbine control surface hinge
GB2465975B (en) * 2008-12-02 2010-10-13 Vestas Wind Sys As Wind turbine control surface hinge

Also Published As

Publication number Publication date
GB1586042A (en) 1981-03-18
FR2395187B2 (en) 1982-04-16
IT1091434B (en) 1985-07-06

Similar Documents

Publication Publication Date Title
JPS5495850A (en) Blade pitch regulator for rotor of wind motor
DE2961980D1 (en) Variable tooth saw blade
GB2019501B (en) Turbine with angularly adjustable stator guide vanes
FR2395187A2 (en) AERODYNAMIC PROPULSION UNIT WITH GEAR BLADES
ATE162803T1 (en) THIN FILM TREATMENT APPARATUS
AR214908A1 (en) SPEED REDUCTION DEVICE FOR DENTAL HANDPIECE
DK368677A (en) POWER MACHINE NAME WIND TURBLE WITH AUTOMATIC ADJUSTABLE SCREW BLADES
BE885440A (en) OPERATING DEVICE FOR SPEED REGULATING APPARATUS
JPS52140192A (en) Adjusting device for blade of variable pitch propeller
BR7904016A (en) INSTRUMENT FOR DENTAL USE WITH LOW SPEED MOTOR
FR2290348A1 (en) CONNECTION DEVICE FOR HELICOPTER ROTOR BLADES
JPS53137375A (en) Steplessly adjustable speed change gear
KR840007143A (en) Blade pitch angle control system of large windmill turbine
GB2008742A (en) Pivoted Blade Ventilating Damper
FR2413185B1 (en) DOUBLE BLADE SHAVING APPARATUS
JPS51129570A (en) A toothed wheel apparatus for obtaining the output rotation in the one direction from the input rotation axis rotating normally and reversel y
ES227094U (en) Driving device for tilting converter. (Machine-translation by Google Translate, not legally binding)
ES8101835A1 (en) Improvements in rotating knife devices for motorizers (Machine-translation by Google Translate, not legally binding)
GB1542529A (en) Shearing machine with adjustable angle between blades
SU718144A1 (en) Agitating device
ES203723U (en) Cable wrap cutter. (Machine-translation by Google Translate, not legally binding)
SU481376A1 (en) Device for screw-cutting lathe for cutting variable pitch screws
SU28663A1 (en) Device for determining the speed of the vessel
ES479371A1 (en) Steering apparatus
JPS5420591A (en) Device for economical operation of ships with variable pitch propeller