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Title:
ROTOR BLADE OR GUIDE VANE ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2015/091289
Kind Code:
A3
Abstract:
The invention refers to a method of assembling or disassembling a rotor blade (100) or guide vane assembly, wherein the rotor blade or guide vane comprises an airfoil (110) and additional structured peripheral members forming at least an inner and/or an outer platform (115) of the rotor blade or guide vane. The airfoil consists of at least one airfoil sub-structure designed for anchoring at least one superposed component for the purpose of a thermal protection. The connection between the airfoil sub-structure and the superposed component is supported on friction-locked means, wherein the airfoil sub-structure is formed by a spar (210) and the superposed component consists at least one flow-charged outer shell (220). The outer shell encasing the spar or airfoil under-structure. The connection between the spar or airfoil under-structure and the flow-charged outer shell is formed by a force-fit and/or a form-fit fixation or a shrinking joint, wherein the airfoil and additional structured peripheral members is formed by friction-locked means with a detachable, permanent or semi-permanent fixation.

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Inventors:
OPDERBECKE THOMAS (CH)
HOEVEL SIMONE (CH)
FERBER JOERGEN (DE)
Application Number:
PCT/EP2014/077627
Publication Date:
June 30, 2016
Filing Date:
December 12, 2014
Export Citation:
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Assignee:
GEN ELECTRIC TECHNOLOGY GMBH (CH)
International Classes:
F01D5/14; F01D5/18; F01D5/28
Domestic Patent References:
WO2011019412A22011-02-17
Foreign References:
US8366398B12013-02-05
US20110110790A12011-05-12
US20060120869A12006-06-08
US4786234A1988-11-22
US20080159856A12008-07-03
EP1106783A22001-06-13
US2648520A1953-08-11
Attorney, Agent or Firm:
BERNOTTI, Andrea et al. (Via Viotti 9, Torino, IT)
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