EXHAUST HEAT RECOVERY SYSTEM OF ENGINE

PROBLEM TO BE SOLVED: To provide a thawing means to than the condensed water generated by an exhaust heat exchanger and frozen or nearly frozen in a drain. SOLUTION: The condensed water separated from exhaust emission at a muffler 31 is discharged outside through an exhaust water trap including a jo...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAGAWA YOSHINORI, KASAI TOSHIHITO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES 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 HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINEPLANTS HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NOT OTHERWISE PROVIDED FOR STEAM ENGINES USE OF WASTE HEAT OF COMBUSTION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a thawing means to than the condensed water generated by an exhaust heat exchanger and frozen or nearly frozen in a drain. SOLUTION: The condensed water separated from exhaust emission at a muffler 31 is discharged outside through an exhaust water trap including a joint 34. The joint 34 is formed integrally with a flow passage for the heat medium circulated through a outer heat exchanger 52A. Before starting an engine 2, whether the condensed water is frozen or not is determined based on the temperature of the exhaust water trap detected by a sensor 53. When the condensed water is determined to be frozen, prior to the start of the engine 2, a water pump 10 is operated to circulate the heat medium, resulting in the thawing of frozen condensed water.