DUCTING SYSTEM WITH VALVE HEALTH MONITOR

A ducting system has a first upstream location is to be connected to a first source of air (22). A downstream location in the duct is to be connected to a second source of air. The upstream location has a first valve (28), and the downstream location has a second valve (42). An end location of the d...

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Bibliographische Detailangaben
Hauptverfasser:	DORIAN, Peter A, McBRIEN, Gary M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PARACHUTES PERFORMING OPERATIONS PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING
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Beschreibung
Zusammenfassung:	A ducting system has a first upstream location is to be connected to a first source of air (22). A downstream location in the duct is to be connected to a second source of air. The upstream location has a first valve (28), and the downstream location has a second valve (42). An end location of the duct is to be connected to a sink (26). A control for the valves achieves a desired pressure and temperature of air at the end location. The first temperature sensor (34) is located at a position intermediate the upstream location and the downstream location. A second temperature sensor is located at a position intermediate the downstream location and the end location. A control is programmed to determine the health of the first and second valves based upon a difference between temperatures sensed by the first and second sensors. An air use system and a method are also disclosed.