F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/16 (2006.01)
Patent
CA 2481068
An apparatus and method that provides a flexible anisotropic support, which may accommodate open, closed, or re-circulating squeeze film damper (15) in parallel, has improved internal rolling element clearances (24), limits maneuver and blade loss responses by limiting rotor excursion, and has a rotor centering feature. This is accomplished through the combination of beam (25) and ring (16, 17) arrangement, which provides support anisotropy that produces beneficial cross-coupling stiffness for the support to control synchronous and non-synchronous vibration.
La présente invention se rapporte à un appareil et à un procédé mettant en oeuvre un support anisotrope souple. Ce support peut contenir en parallèle un amortisseur à film d'huile (15) ouvert, fermé, ou à recirculation, il comporte des dégagements pour éléments de roulement internes (24), il permet de limiter les réactions de perte dans les aubes et de manoeuvre en limitant l'excursion du rotor, et il dispose d'un élément de centrage du rotor. Ceci est rendu possible par l'utilisation de la combinaison de longerons (25) et d'anneaux (16, 17) dans un agencement qui assure l'anisotropie du support et confère une rigidité bénéfique par couplage transversal permettant au support de réguler les vibrations synchrones et non synchrones.
Alam Mohsiul
Spencer Doug K.
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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