ABNORMALITY SIGN DIAGNOSTIC DEVICE AND DIAGNOSIS METHOD THEREOF

To diagnose a deterioration sign of a dynamic function of a valve and a function of closing fluid with high accuracy, without decomposing the valve.SOLUTION: An abnormality sign diagnostic device 20 comprises: a signal processing unit 9 that processes a signal of at least one acoustic sensor 2 that...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ONODERA KENJI, KIYOTOKI YOSHIHISA, HIRASAWA DAISUKE, SUGIYA YUJI, KUBOTA AKIRA
Format:	Patent
Sprache:	eng ; jpn
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 MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MECHANICAL ENGINEERING PHYSICS TAPS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL VALVES WEAPONS
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