Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing
Patent
1994-06-10
1995-06-06
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Rotor having flow confining or deflecting web, shroud or...
Axially extending shroud ring or casing
416241R, F01D 522
Patent
active
054217040
ABSTRACT:
A separate inter-blade platform for a turbomachine rotor comprises a structural rectilinear longitudinal member formed by a foam core, plies of a carbon/epoxy type material in bidirectional layers of crossed fibres oriented at 45.degree. laid around the core and around an insert at each end of the longitudinal member, each insert being made of juxtaposed radial plies of a carbon/epoxy type material in bidirectional layers of fibres crossed at .+-.45 degrees, and further plies of a carbon/epoxy type material in unidirectional layers oriented in the direction of the major axis of the longitudinal member covering the upper and lower faces of the member, the platform further comprising lateral packing cores made of a foam material, plies of a glass/epoxy type material covering the lateral faces of the longitudinal member and connecting it to the lateral foam cores, and peripheral plies of a glass/epoxy type material covering the assembly formed by the longitudinal member and the lateral cores connected thereto.
REFERENCES:
patent: 1331209 (1973-09-01), Goodwin
patent: 3294364 (1966-12-01), Stanley
patent: 3393862 (1968-07-01), Harrison
patent: 4334827 (1982-06-01), Bouiller et al.
patent: 4700647 (1987-10-01), Pabsch
patent: 5127802 (1992-07-01), Carlson et al.
patent: 5222865 (1993-06-01), Corsmeier
patent: 5281096 (1994-01-01), Harris et al.
Carletti Ollivier
Inizan Gerard F.
Jourdain Gerard E. A.
Marlin Francois M. P.
Pabion Philippe J. P.
Look Edward K.
Sgantzos Mark
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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