EXHAUST SYSTEM OF TRANSVERSE ENGINE

PROBLEM TO BE SOLVED: To early raise the temperature of a catalyst in an exhaust emission control device (a straight catalyst 40) in cold time of an engine 1, by compactly arranging an exhaust upstream side part 48 in an engine room 19 without sacrificing a cabin, in an exhaust system E of the trans...

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Bibliographische Detailangaben
Hauptverfasser:	USHIJIMA KENJI, KAMO HIROAKI, KUSUNOKI YASUSHI, KITAHATA HIROSHI, NEGAMI MASAMI, NAKATANI YASUSHI, NAKAMURA YOSHITAKA, WATANABE DAISUKE, SHIMOJI HIROKI, HASEGAWA YUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRAILERS TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To early raise the temperature of a catalyst in an exhaust emission control device (a straight catalyst 40) in cold time of an engine 1, by compactly arranging an exhaust upstream side part 48 in an engine room 19 without sacrificing a cabin, in an exhaust system E of the transverse engine 1 of joining a transmission 11 to one side in the cylinder bank direction. SOLUTION: The exhaust upstream side part 48 includes a plurality of branch pipe parts 32, a single exhaust pipe part 34 and the straight catalyst 40. The straight catalyst 40 is arranged on the vehicle rear side of the engine 1 so that a gas flow passage of its inside extends in the substantial vehicle width direction in a plan view, and a part up to becoming the single exhaust pipe 34 from an end part on the exhaust upstream side of the branch pipe parts 32 in the exhaust upstream side part 48, is curved so that the exhaust downstream side of the part turns to the transmission 11 side in the vehicle width direction in a plan view, and the single exhaust pipe part 34 is curved so that the exhaust downstream side of the single exhaust pipe part 34 turns to the vehicle front side in a plan view. COPYRIGHT: (C)2011,JPO&INPIT