Title:
DOUBLE BLADE TYPE PROPELLER
Document Type and Number:
Japanese Patent JPS60236897
Kind Code:
A
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:
RUNE RUI MUIYU
MARUKU DOUKURERUKU
JIYAN PIEERU JIYARAGIE
BERUNAARU JIYOOJIE
MARUKU DOUKURERUKU
JIYAN PIEERU JIYARAGIE
BERUNAARU JIYOOJIE
Application Number:
JP16149184A
Publication Date:
November 25, 1985
Filing Date:
July 31, 1984
Export Citation:
Assignee:
AEROSPATIALE
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:
| JPS5511986A | 1980-01-28 | |||
| JPS55152700A | 1980-11-28 |
Attorney, Agent or Firm:
Kazuo Sato