VARIABLE NOZZLE TURBOCHARGER

PROBLEM TO BE SOLVED: To prevent fuel for cleaning up exhaust gas and soot from adhering to and accumulating on a surface of a center housing on the side of a link chamber even if it enters the link chamber together with the exhaust gas, so as not to obstruct movement of a link mechanism. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	WAKIMOTO MICHIHIRO, TAKAGI JIRO, SUGIYAMA TATSUMASA, NONOYAMA YOSHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL 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 HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent fuel for cleaning up exhaust gas and soot from adhering to and accumulating on a surface of a center housing on the side of a link chamber even if it enters the link chamber together with the exhaust gas, so as not to obstruct movement of a link mechanism. SOLUTION: A variable nozzle turbocharger 16 includes: the center housing 35 which supports a turbine wheel 25 and is cooled by cooling water flowing through a cooling water path 41; a turbine housing 45 secured to the center housing 35 and having an exhaust flow path for introducing the exhaust gas to the turbine wheel 25; a plurality of nozzle vanes 53 arranged in the exhaust flow path; and the link mechanism 55 provided in the link chamber 54, part of the wall surface of which is constituted by the center housing 35 and connected to the plural nozzle vanes 53. Further, the center housing 35 includes a low thermal conductive part 65 at the portion which constitutes the wall surface of the link chamber 54, the low thermal conductive part 65 having thermal conductivity lower than the remaining portion of the center housing 35. COPYRIGHT: (C)2006,JPO&NCIPI