RECOVERY CONTROL SYSTEM

The present invention provides a recovery control system that allows a dosing valve to recover from a malfunction to a normal state or a liquid feed line through which urea solution is fed to recover from clogging to a normal state. A recovery control system for allowing a dosing valve 104 to recove...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IWASHITA Takuro, ONODERA Takao, MINEZAWA Masanobu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention provides a recovery control system that allows a dosing valve to recover from a malfunction to a normal state or a liquid feed line through which urea solution is fed to recover from clogging to a normal state. A recovery control system for allowing a dosing valve 104 to recover from a malfunction to a normal state has abnormality detection means of detecting an abnormality of the dosing valve 104 and recovery control means of controlling a supply module 106 to feed urea solution in the dosing valve 104 back to a urea tank 105 when the abnormality detection means detects an abnormality of the dosing valve 104.