Title:
【考案の名称】複ブレード式プロペラ
Document Type and Number:
Japanese Patent JP2520442
Kind Code:
Y2
Abstract:
A variable pitch multi-blade propeller suitable for use on a helicopter is constructed of a foam preform joined with a fibrous spar enclosed in resin-impregnated foils and fitted with a metal leading edge. Various components are assembled in a mold and the resins, then cured. The structure may further include a reinforcing yoke of carbon fiber fabrics preimpregnated with a polymerizable synthetic resin. The process may further include a heat treating step to effect polymerization.
Inventors:
Rene, Louis, Mouille
Marc, Duclerk
Jean-Pierre, Jaraguier
Bernard, George
Marc, Duclerk
Jean-Pierre, Jaraguier
Bernard, George
Application Number:
JP10720891U
Publication Date:
December 18, 1996
Filing Date:
December 02, 1991
Export Citation:
Assignee:
Aerospatiale, Society, National, Andustriel
International Classes:
B64C11/22; B29C43/02; B29C43/18; B29C43/20; B29C43/32; B29C43/34; B29C57/00; B29C67/00; B29C70/06; B29D99/00; B32B3/12; B64C11/26; B64C27/46; B64C27/473; B64C27/82; F01D5/28; B29K105/10; (IPC1-7): B64C11/26
Domestic Patent References:
| JP5511986A | ||||
| JP55152700A |
Attorney, Agent or Firm:
Kazuo Sato (1 person outside)