HUB-MOUNTED ACTIVE VIBRATION CONTROL (HAVC) DEVICES, SYSTEMS, AND METHODS

A hub-mounted active vibration control (HAVC) system is provided. The HAVC system comprises a mechanical unit (300) attached to a rotary hub (702) and configured to rotate therewith. The mechanical unit (300) includes at least one pair of imbalance masses co-rotating at substantially a same frequenc...

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Bibliographische Detailangaben
Hauptverfasser:	ALTIERI, Russell E, BRANNAN, Warren F, JOLLY, Mark R, WINZENZ, Wayne L, SWANSON, Doug A, BLACK, Paul R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AEROPLANES AIRCRAFT AVIATION BLASTING COSMONAUTICS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HELICOPTERS LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHOCK-ABSORBERS SPRINGS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A hub-mounted active vibration control (HAVC) system is provided. The HAVC system comprises a mechanical unit (300) attached to a rotary hub (702) and configured to rotate therewith. The mechanical unit (300) includes at least one pair of imbalance masses co-rotating at substantially a same frequency. A de-icing distributor (208) is provided over at least a portion of the mechanical unit (300), wherein the de-icing distributor is configured to communicate instructions to one or more heating sources provided at one or more rotary blades.