EGR SYSTEM

An EGR system is configured to allow a part of exhaust gas discharged from an engine to an exhaust passage to flow as an EGR gas to an intake passage through an EGR passage to return to the engine. The EGR system includes a heating film provided on an inner wall of at least one of the intake passage...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIOKA, Mamoru, SO, Kaisho, BESSHO, Takashi
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	An EGR system is configured to allow a part of exhaust gas discharged from an engine to an exhaust passage to flow as an EGR gas to an intake passage through an EGR passage to return to the engine. The EGR system includes a heating film provided on an inner wall of at least one of the intake passage through which the EGR gas flows, i.e., an intake manifold, and the EGR passage, at least one pair of a positive electrode and a negative electrode to energize the heating film, a water temperature sensor and an intake temperature for detecting a warm-up state of the intake passage and the EGR passage, and an electronic control unit configured to control energization of the heating film from before start of EGR based on the detected warm-up state.