An automobile vehicle exhaust gas heat recovery system includes an engine having a turbocharger. A cooling pump provides coolant flow to the engine and the turbocharger. A combined coolant discharge header receives coolant discharged from the engine and the turbocharger. A main rotary valve receives coolant discharged from the combined coolant discharge header. The main rotary valve includes multiple rotary valves selectively distributing all of the coolant in the combined coolant discharge header to at least one of an engine heater, a heater core and a transmission oil heater during a cold start operation. An exhaust gas heat recovery (EGHR) device is positioned to receive the coolant discharged from any one, any two or all of the engine heater, the heater core and the transmission oil heater and in a path to return the coolant to the cooling pump during the cold start operation of the engine.


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    Titel :

    Exhaust gas heat recovery energy extraction strategy


    Beteiligte:
    SHEPARD DANIEL J (Autor:in) / GONZE EUGENE V (Autor:in) / DICKSON DOUGLAS (Autor:in)

    Erscheinungsdatum :

    17.09.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F01M Schmierung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , LUBRICATING OF MACHINES OR ENGINES IN GENERAL / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT



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