BR7103522D0 - Aperfeicoamentos em cubos rigidos para helices de passo variavel - Google Patents

Aperfeicoamentos em cubos rigidos para helices de passo variavel

Info

Publication number
BR7103522D0
BR7103522D0 BR3522/71A BR352271A BR7103522D0 BR 7103522 D0 BR7103522 D0 BR 7103522D0 BR 3522/71 A BR3522/71 A BR 3522/71A BR 352271 A BR352271 A BR 352271A BR 7103522 D0 BR7103522 D0 BR 7103522D0
Authority
BR
Brazil
Prior art keywords
cubes
rigid
variable pitch
pitch propellers
propellers
Prior art date
Application number
BR3522/71A
Other languages
English (en)
Inventor
L Lermusiaux
Original Assignee
Scemm
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 Scemm filed Critical Scemm
Publication of BR7103522D0 publication Critical patent/BR7103522D0/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/33—Rotors having flexing arms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
BR3522/71A 1970-06-11 1971-06-08 Aperfeicoamentos em cubos rigidos para helices de passo variavel BR7103522D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707021449A FR2092720B1 (pt) 1970-06-11 1970-06-11

Publications (1)

Publication Number Publication Date
BR7103522D0 true BR7103522D0 (pt) 1973-04-12

Family

ID=9057024

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3522/71A BR7103522D0 (pt) 1970-06-11 1971-06-08 Aperfeicoamentos em cubos rigidos para helices de passo variavel

Country Status (10)

Country Link
US (1) US3807897A (pt)
AR (1) AR198047A1 (pt)
BR (1) BR7103522D0 (pt)
DE (1) DE2129066C3 (pt)
ES (1) ES197987Y (pt)
FR (1) FR2092720B1 (pt)
GB (1) GB1356281A (pt)
IT (1) IT997038B (pt)
NL (1) NL149451B (pt)
SU (1) SU445200A3 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630703B1 (fr) * 1988-04-29 1990-08-24 Aerospatiale Tete de rotor de giravion a tirants interpales de rappel elastique avec amortissement incorpore
US20150078909A1 (en) * 2013-09-16 2015-03-19 Bell Helicopter Textron Inc. Rotor blade and structural system for coupling the rotor blade in a rotor hub
FR3053312B1 (fr) * 2016-06-29 2019-07-19 Airbus Helicopters Rotor et aeronef pourvu d'un tel rotor
EP3755623A1 (en) * 2018-05-08 2020-12-30 AVX Aircraft Company Rotor hub

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672202A (en) * 1945-11-15 1954-03-16 Autogiro Co Of America Aircraft sustaining rotor blade damping system
US3026942A (en) * 1959-07-07 1962-03-27 Bell Helicopter Corp Helicopter rotor system
US3280918A (en) * 1965-04-26 1966-10-25 Bell Aerospace Corp Rotor construction
US3310119A (en) * 1964-07-04 1967-03-21 Westland Aircraft Ltd Rotor heads for rotary wing aircraft
FR1430178A (fr) * 1964-12-15 1966-03-04 Giravions Dorand Procédé pour éviter l'échauffement excessif et contrôler la trajectoire d'un engin aérospatial
FR1442684A (fr) * 1965-06-30 1966-06-17 Westland Aircraft Ltd Perfectionnements aux têtes de rotor pour appareils d'aviation à voilure tournante
US3330362A (en) * 1966-05-31 1967-07-11 Lockheed Aircraft Corp Helicopter rotor
FR1568117A (pt) * 1968-02-12 1969-05-23
FR2041762B1 (pt) * 1969-05-28 1973-11-16 Aerospatiale

Also Published As

Publication number Publication date
ES197987U (es) 1975-06-01
GB1356281A (en) 1974-06-12
IT997038B (it) 1975-12-30
NL7107978A (pt) 1971-12-14
DE2129066A1 (de) 1971-12-16
ES197987Y (es) 1975-11-16
FR2092720B1 (pt) 1974-07-12
DE2129066B2 (de) 1974-12-05
NL149451B (nl) 1976-05-17
DE2129066C3 (de) 1975-07-17
SU445200A3 (ru) 1974-09-30
FR2092720A1 (pt) 1972-01-28
US3807897A (en) 1974-04-30
AR198047A1 (es) 1974-05-31

Similar Documents

Publication Publication Date Title
AR203373A1 (es) Procedimiento para preparar 4-amino-quinazolinas
AR193751A1 (es) Mejoras en bloques de juguete para la construccion
BR7105133D0 (pt) Recipiente aperfeicoado para alimentos
BR7203877D0 (pt) Aperfeicoamento em unidade de potencia para propulsao de veiculos
BR6906344D0 (pt) Tubo aperfeicoado para helices de passo variavel
BR7305059D0 (pt) Aperfeicoamentos em uma guarnicao para instalacao de trilo
BR7103522D0 (pt) Aperfeicoamentos em cubos rigidos para helices de passo variavel
NL171038C (nl) Scheepsschroef met losneembare schroefbladen.
BR6913021D0 (pt) Processo para preparar uma espuma flexivel de celulas abertas
AR198543A1 (es) Metodo para preparar 2-sustituida-4-(r) - hidroxi - 2-ciclopententen-1-ona
CH523815A (de) Gegenläufiger Verstellpropeller
CH507122A (de) Verstellpropeller
AR202539A1 (es) Procedimiento para preparar 3-fluor-d-alanina
AR197502A1 (es) Metodo para producir desacetoxicefalosporina c
AR193229A1 (es) Un metodo para preparar derivados de azucar purina
AR193629A1 (es) Un metodo para preparar quinoxalina-di-n-oxidos
AR195818A1 (es) Alimento para rumiantes
BR7107411D0 (pt) Aperfeicoamentos em engenhocas para obtencao de garapa
ES161882Y (es) Aparato manual para pelar tuberculos.
ES158039Y (es) Aparato para hacer churros.
ES167300Y (es) Dispositivo para producir musicalidad en avisadores acusti-cos.
ES164771Y (es) Aparato para practicar la amniorrexis.
ES180035Y (es) Equipo para efectuar manualidades en forma de tapiz.
BR7017670D0 (pt) Aperfeicoamentos em sifoes para bebidas em geral
BR7203856D0 (pt) Aperfeicoamentos em tampas para bisnagas