VARIABLE NOZZLE MECHANISM AND VARIABLE DISPLACEMENT TURBOCHARGER

A variable nozzle mechanism for a variable capacity turbocharger includes: a first plate having an annular shape; a second plate facing the first plate and having an annular shape, the second plate and the first plate defining an exhaust gas path in between; a plurality of nozzle vanes rotatably sup...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAMOTO, Keigo, HAYASHI, Noriyuki, KATOU, Eigo, SEIKE, Nariaki, ARIMIZU, Hiroyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS 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 WEAPONS
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Beschreibung
Zusammenfassung:	A variable nozzle mechanism for a variable capacity turbocharger includes: a first plate having an annular shape; a second plate facing the first plate and having an annular shape, the second plate and the first plate defining an exhaust gas path in between; a plurality of nozzle vanes rotatably supported between the first plate and the second plate; and an annular member inserted on an inner circumference side of the first plate. The first plate includes a front surface facing the exhaust gas path and a back surface on an opposite side to the front surface, the annular member includes a front surface facing the exhaust gas path and a back surface on an opposite side to the front surface, and a gap is provided between the first plate and the annular member, the gap extending along a thickness direction of the first plate, from a point between an inner circumference edge of the front surface of the first plate and an outer circumference edge of the front surface of the annular member.