F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 9/46 (2006.01) B64D 31/06 (2006.01) F02C 9/28 (2006.01) G05D 7/06 (2006.01) G05D 13/62 (2006.01)
Patent
CA 2395307
The invention concerns a device for adjusting the power of a power pack driving a helicopter rotor, comprising means for dosing the fuel feed rate. The invention is characterised in that it further comprises: an electronic control device (1) including means (8) acquiring an input signal corresponding to the rotational speed of the rotor NP, means for processing said input signal comprising a differentiating element (11) and a summing element (13) and a threshold comparator (15) receiving the output signal of said processing means and an actuating device (2) receiving the output signal of the electronic control device (1) and actuating the means (3) dosing the fuel feed rate.
Dispositif de régulation de la puissance d'un groupe motopropulseur d'entraînement de rotor d'hélicoptère, comprenant un moyen de dosage du débit de carburant, caractérisé par le fait qu'il comprend en outre: un dispositif électronique de commande (1) comportant un moyen (8) d'acquisition d'un signal d'entrée correspondant à la vitesse de rotation du rotor NP, un moyen de traitement dudit signal d'entrée comportant un élément dérivateur (11) et un élément sommateur (13), et un comparateur à seuil (15) recevant le signal de sortie dudit moyen de traitement; et un dispositif actionneur (2), recevant le signal de sortie du dispositif électronique de commande (1) et actionnant le moyen (3) de dosage du débit de carburant.
Marin Jean-Philippe Jacques
Noussitou Christian Pierre
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Turbomeca
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