METHODS AND APPARATUS FOR ESTIMATING A CONDITION OF A SEAL OF A ROTARY VALVE

Apparatus for estimating a condition of a seal (206) of a rotary valve (200) are disclosed. An example includes determining a seal wearing cycle of a flow control member of a rotary valve. The seal wearing cycle includes movement of the flow control member between a first position in contact with a...

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Bibliographische Detailangaben
Hauptverfasser:	ANDERSON, SHAWN W, GRABAU, TED DENNIS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	Apparatus for estimating a condition of a seal (206) of a rotary valve (200) are disclosed. An example includes determining a seal wearing cycle of a flow control member of a rotary valve. The seal wearing cycle includes movement of the flow control member between a first position in contact with a seal and a second position. The example further includes determining a torque of an actuator operating the flow control member for the seal wearing cycle and estimating a condition of the seal based on the torque. L'invention porte sur un appareil d'estimation d'état d'un joint (206) d'une vanne rotative (200). Un exemple comprend la détermination d'un cycle d'usure de joint d'un élément de commande d'écoulement d'une vanne rotative. Le cycle d'usure de joint comprend le mouvement de l'élément de commande d'écoulement entre une première position en contact avec un joint et une seconde position. L'exemple comprend en outre la détermination d'un couple d'un actionneur commandant l'élément de commande d'écoulement pour le cycle d'usure de joint et l'estimation de l'état du joint sur la base du couple.