Fan stall detection system

Details Fan stall detection system Fan stall detection system

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 27/02 (2006.01) F01D 21/00 (2006.01) F04D 27/00 (2006.01) F04D 29/52 (2006.01)

Patent

CA 2710009

A system for detecting onset of a stall in a rotor is disclosed, the system comprising a sensor located on a static component spaced radially outwardly and apart from tips of a row of blades arranged circumferentially on the rotor wherein the sensor is capable of generating an input signal corresponding to a flow parameter at a location near the tip of a blade, a control system capable of generating a rotor speed signal, and a correlation processor capable of receiving the input signal and the rotor speed signal wherein the correlation processor generates a stability correlation signal.

L'invention concerne un système pour détecter le départ d'un décalage dans un rotor, le système comprenant un capteur situé sur un composant statique espacé radialement vers l'extérieur et séparé d'embouts d'une rangée de pales agencées circonférentiellement sur le rotor, le capteur étant capable de générer un signal d'entrée correspondant à un paramètre d'écoulement à un emplacement près de l'embout d'une pale, un système de commande capable de générer un signal de vitesse de rotor, et un processeur de corrélation capable de recevoir le signal d'entrée et le signal de vitesse de rotor, le processeur de corrélation générant un signal de corrélation de stabilité.

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