Monitoring of a high-pressure pump in a turbine engine fuel...

F - Mech Eng,Light,Heat,Weapons – 02 – C

Patent

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Details

F02C 7/236 (2006.01) F02C 7/22 (2006.01) F02C 9/28 (2006.01) F04C 14/08 (2006.01) F04C 14/28 (2006.01)

Patent

CA 2705610

Device and method for monitoring a high-pressure pump (14) in a turbomachine fuel supply circuit by detecting the opening of a pressurizing and shut-off valve (24) mounted on the outlet side of a fuel flow regulating valve (18), by measuring the rotational speed of the turbomachine corresponding to the opening of the pressurizing and cut-off valve (24) and by monitoring the change in the value of this rotational speed in order to propose replacement of the high-pressure pump (14) when the measured value of the rotational speed reaches a predetermined threshold.

Dispositif et procédé de surveillance d'une pompe haute-pression (14) dans un circuit d'alimentation en carburant d'une turbomachine, par détection de l'ouverture d'une vanne (24) de pressurisation et de coupure montée en sortie d'une vanne (18) de réglage de débit de carburant, par mesure de la vitesse de rotation de la turbomachine correspondant à l'ouverture de la vanne de pressurisation et de coupure (24) et par suivi de l'évolution de la valeur de cette vitesse de rotation pour proposer le remplacement de la pompe haute-pression (14) quand la valeur mesurée de la vitesse de rotation atteint un seuil rédéterminé.

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