B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 27/00 (2006.01) F16F 15/36 (2006.01)
Patent
CA 2729915
A method for reducing vibration in a rotary system (140; 240a; 240b; 340a; 340b) of an aircraft (100), for example an aeroplane or a rotorcraft, such as a helicopter, comprising balancing said rotary system (140; 240a; 240b; 340a; 340b),characterized by providing a substantially circular chamber (232a, 233a, 234b, 235a, 236a, 237a; 232b, 233b, 234b, 235b, 237b; 335a; 335b; 433a; 433b; 433c; 535a; 535b; 535c) having a fulcrumon an axis (260a; 260b; 360a; 360b; 460a; 460b; 460c; 560a; 560b; 560c) of a shaft (131; 231a; 231b; 331a; 331b; 431a; 431b; 431c; 531a; 531b; 531c) of said rotary system (140; 240a; 240b; 340a; 340b) and being partially filled with an amount of a thixotropic balancing substance (338a; 338b; 438a; 438b; 438c; 538a; 538b; 538c). An apparatus, and a system, for reducing vibration in a rotary system (140; 240a; 240b; 340a; 340b) of an aircraft (100) according to the method.
L'invention porte sur un procédé pour réduire la vibration dans un système tournant (140; 240a; 240b; 340a; 340b) d'un aéronef (100), par exemple un avion ou un giravion, tel qu'un hélicoptère, le procédé comprenant l'équilibrage dudit système tournant (140; 240a; 240b; 340a; 340b), caractérisé par la disposition d'une chambre sensiblement circulaire (232a, 233a, 234b, 235a, 236a, 237a; 232b, 233b, 234b, 235b, 237b; 335a; 335b; 433a; 433b; 433c; 535a; 535b; 535c) possédant un pivot sur un axe (260a; 260b; 360a; 360b; 460a; 460b; 460c; 560a; 560b; 560c) d'un arbre (131; 231a; 231b; 331a; 331b; 431a; 431b; 431c; 531a; 531b; 531c) dudit système tournant (140; 240a; 240b; 340a; 340b) et étant partiellement rempli d'une quantité d'une substance d'équilibrage thixotrope (338a; 338b; 438a; 438b; 438c; 538a; 538b; 538c). L'invention porte également sur un appareil et sur un système pour réduire la vibration dans un système tournant (140; 240a; 240b; 340a; 340b) d'un aéronef (100) selon le procédé.
Carnehammar Lars Bertil
Seitz Norbert
Benoit & Cote Associes Inc.
Carnehammar Lars Bertil
LandOfFree
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