Method of heating the interior of a vehicle

In a method of heating the interior of a vehicle having an internal combustion engine with fuel injection and a coolant circuit for transferring waste heat from the internal combustion engine via a heat exchanger to the vehicle interior by increasing the amount of heat transferred to the coolant dur...

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Bibliographische Detailangaben
Hauptverfasser:	PFAFF RUDIGER, KLINGEBIEL MATTHIAS, WIEBICKE ULRICH
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	In a method of heating the interior of a vehicle having an internal combustion engine with fuel injection and a coolant circuit for transferring waste heat from the internal combustion engine via a heat exchanger to the vehicle interior by increasing the amount of heat transferred to the coolant during low load engine operation by intentional reduction of the engine operating efficiency, the engine is operated with high exhaust gas recirculation rates while transferring heat from the exhaust gas to the coolant for heating the vehicle interior and heating with the relatively large amount of recirculated gas the intake air so that, during the following compression of the intake air and recirculated gas in the engine combustion chamber, the air is heated early to an ignition temperature permitting early combustion of injected fuel so that the fuel injection phase can be extended not only toward late injection but also toward early injection providing for a relative long combustion period whereby engine efficiency is decreased but heat generation is increased.