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Machine translation
1. (WO2006083295) A METHOD AND SYSTEM FOR CONTROLLING HELICOPTER VIBRATIONS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2006/083295    International Application No.:    PCT/US2005/020580
Publication Date: 10.08.2006 International Filing Date: 10.06.2005
IPC:
F16F 7/10 (2006.01)
Applicants: LORD CORPORATION [US/US]; 111 Lord Drive, Cary, North Carolina 27511-8012 (US) (For All Designated States Except US).
BADRE-ALAM, Askari [PK/US]; (US) (For US Only).
SWANSON, Douglas [US/US]; (US) (For US Only).
CRANMER, Jeffrey [GB/US]; (US) (For US Only)
Inventors: BADRE-ALAM, Askari; (US).
SWANSON, Douglas; (US).
CRANMER, Jeffrey; (US)
Agent: MURPHY, Edward, F.; LORD CORPORATION, 111 LORD DRIVE, Po Box 8012, Cary, North Carolina 27511-8012 (US)
Priority Data:
60/578,645 10.06.2004 US
Title (EN) A METHOD AND SYSTEM FOR CONTROLLING HELICOPTER VIBRATIONS
(FR) METHODE ET SYSTEME DE REGULATION DES VIBRATIONS D'UN HELICOPTERE
Abstract: front page image
(EN)A method/system for controlling helicopter vibrations is provided that includes a vibration canceling force generator for actively generating a vibration canceling force. The system includes a resonant actuator having a natural resonant frequency and a resonant actuator electronic control system. The resonant actuator electronic control system provides an electrical drive current to the resonant actuator to drive the resonant actuator about the resonant frequency when commanded by a received command signal. The resonant actuator has a feedback output with the feedback output fed back into the resonant actuator electronic control system wherein the resonant actuator electronic control system adjusts the electrical drive current based on the resonant actuator feedback output to generate the vibration canceling force.
(FR)L'invention porte sur une méthode et un système de régulation des vibrations d'un hélicoptère utilisant un générateur contrecarrant activement les forces vibratoires. Ledit système comporte un actionneur résonant à sa fréquence naturelle et le système électronique de commande de l'actionneur. Le système électronique fournit à l'actionneur au reçu d'un signal de déclenchement un courant électrique le faisant résonner aux environs de sa fréquence de résonnance. L'actionneur émet un signal de rétroaction en direction du système électronique de commande lequel ajuste en fonction le courant actionnant le générateur pour qu'il produise une force contrecarrant les vibrations.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)