BR7404568D0 - Pa de helicoptero - Google Patents

Pa de helicoptero

Info

Publication number
BR7404568D0
BR7404568D0 BR4568/74A BR456874A BR7404568D0 BR 7404568 D0 BR7404568 D0 BR 7404568D0 BR 4568/74 A BR4568/74 A BR 4568/74A BR 456874 A BR456874 A BR 456874A BR 7404568 D0 BR7404568 D0 BR 7404568D0
Authority
BR
Brazil
Prior art keywords
helicopter
Prior art date
Application number
BR4568/74A
Other languages
English (en)
Inventor
William Ronald Jepson
Original Assignee
United Aircraft Corp
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
Priority claimed from US00366825A external-priority patent/US3822105A/en
Application filed by United Aircraft Corp filed Critical United Aircraft Corp
Publication of BR7404568D0 publication Critical patent/BR7404568D0/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Hydraulic Turbines (AREA)
BR4568/74A 1973-06-04 1974-06-03 Pa de helicoptero BR7404568D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00366825A US3822105A (en) 1971-09-22 1973-06-04 Helicopter blade

Publications (1)

Publication Number Publication Date
BR7404568D0 true BR7404568D0 (pt) 1975-01-07

Family

ID=23444705

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4568/74A BR7404568D0 (pt) 1973-06-04 1974-06-03 Pa de helicoptero

Country Status (8)

Country Link
JP (1) JPS51116599A (pt)
BR (1) BR7404568D0 (pt)
CA (1) CA988906A (pt)
DE (1) DE2426689A1 (pt)
FR (1) FR2231565B1 (pt)
GB (1) GB1477490A (pt)
IL (1) IL44661A (pt)
IT (1) IT1014735B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538055A (en) * 1975-05-19 1979-01-10 Westland Aircraft Ltd Helicopter rotor blades
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
FR2479132A1 (fr) * 1980-03-25 1981-10-02 Aerospatiale Pale a hautes performances pour rotor d'helicoptere
DE102015121502A1 (de) * 2015-12-10 2017-06-14 Christoph Fraundorfer Tragschrauberrotorblatt zur autorotatorischen Auftriebserzeugung
US20240067333A1 (en) * 2022-08-31 2024-02-29 Lockheed Martin Corporation Method of stabilizing articulated rotor blade

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065933A (en) * 1960-05-20 1962-11-27 Frank Krause Jr A Helicopter

Also Published As

Publication number Publication date
DE2426689A1 (de) 1974-12-12
JPS51116599A (en) 1976-10-14
IL44661A (en) 1976-12-31
FR2231565B1 (pt) 1982-02-05
IT1014735B (it) 1977-04-30
FR2231565A1 (pt) 1974-12-27
IL44661A0 (en) 1974-09-10
CA988906A (en) 1976-05-11
GB1477490A (en) 1977-06-22

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