EP 1061263 A1 20001220 - Rotor with blades attached to a hub by bearings contained in a bush
Title (en)
Rotor with blades attached to a hub by bearings contained in a bush
Title (de)
Laufrad mit Schaufeln, die mittels Lager in einer Hülse an einer Nabe befestigt sind
Title (fr)
Rotor avec pâles attachées à un moyeu par des paliers montés dans un manchon
Publication
Application
Priority
IT MI991321 A 19990614
Abstract (en)
A description is given of a twin-blade or multi-blade rotor (33) comprising a hub (30) on which is fixed for each blade (32n) a bush (31) containing in its interior one or more bearings whose outer races are integral with the said bush (31), and whose inner races are integral with a member which is fixed to the said hub (30) and which is connected to the said bush (31), the radially innermost end of a blade (32n) being fixed to the said bush (31), in which rotor the said bush (31) is provided with a hollow extension (31p) in which a cylindrical cavity (31c) is formed, and the end part (32c) of the said blade (32) is also cylindrical and complementary to the said cylindrical cavity (31c), the said bush (31) being provided with means (34, 44, 54, 64, 36n, 36p) for reversibly clamping the said end part (32c) of the blade (32) in the said cylindrical cavity (31c). <IMAGE>
IPC 1-7
IPC 8 full level
F04D 29/36 (2006.01); F04D 29/38 (2006.01)
CPC (source: EP)
F04D 29/362 (2013.01); F04D 29/388 (2013.01)
Citation (search report)
- [X] GB 1023824 A 19660323 - AEREX LTD
- [A] GB 254377 A 19260630 - BRAMSON MOGENS LOUIS
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1061263 A1 20001220; EP 1061264 A1 20001220; IT MI991321 A0 19990614; IT MI991321 A1 20001214
DOCDB simple family (application)
EP 00202051 A 20000608; EP 00202050 A 20000608; IT MI991321 A 19990614