BR8107571A - Estrutura de raiz de pa de helice - Google Patents

Estrutura de raiz de pa de helice

Info

Publication number
BR8107571A
BR8107571A BR8107571A BR8107571A BR8107571A BR 8107571 A BR8107571 A BR 8107571A BR 8107571 A BR8107571 A BR 8107571A BR 8107571 A BR8107571 A BR 8107571A BR 8107571 A BR8107571 A BR 8107571A
Authority
BR
Brazil
Prior art keywords
helice
root structure
root
Prior art date
Application number
BR8107571A
Other languages
English (en)
Inventor
H Nutter Jr
J Graff
Original Assignee
United Technologies 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
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of BR8107571A publication Critical patent/BR8107571A/pt

Links

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
    • B64C11/20—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)
BR8107571A 1980-11-24 1981-11-20 Estrutura de raiz de pa de helice BR8107571A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20993980A 1980-11-24 1980-11-24

Publications (1)

Publication Number Publication Date
BR8107571A true BR8107571A (pt) 1982-08-17

Family

ID=22780956

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8107571A BR8107571A (pt) 1980-11-24 1981-11-20 Estrutura de raiz de pa de helice

Country Status (6)

Country Link
JP (1) JPS57114795A (pt)
BR (1) BR8107571A (pt)
CA (1) CA1165299A (pt)
DE (1) DE3146048A1 (pt)
FR (1) FR2494663B1 (pt)
GB (1) GB2087981B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279114A (en) * 1993-06-15 1994-12-21 Nuaire Ltd Fan impeller blade
US5660527A (en) * 1995-10-05 1997-08-26 The Wind Turbine Company Wind turbine rotor blade root end

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623599A (en) * 1947-11-26 1952-12-30 United Aircraft Corp Propeller blade stress distributing means
GB659344A (en) * 1948-05-04 1951-10-24 United Aircraft Corp Improvements in or relating to hollow aircraft propeller blades
US3161238A (en) * 1962-07-05 1964-12-15 Howard P Key Helicopter rotor blade
US4169749A (en) * 1977-09-21 1979-10-02 The United States Of America As Represented By The Secretary Of The Navy Method of making a hollow airfoil

Also Published As

Publication number Publication date
CA1165299A (en) 1984-04-10
DE3146048A1 (de) 1982-08-19
FR2494663A1 (fr) 1982-05-28
FR2494663B1 (fr) 1985-10-11
GB2087981B (en) 1984-02-08
GB2087981A (en) 1982-06-03
JPS57114795A (en) 1982-07-16

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)