VARIABLE-NOZZLE TURBINE WITH MEANS FOR RADIAL LOCATING OF VARIABLE-NOZZLE CARTRIDGE

A turbocharger having a variable-nozzle turbine formed by pivotable vanes supported by a nozzle ring includes a locator that is radially elastically deformable and is disposed between a radially outwardly facing surface of the center housing and an opposing surface of the nozzle ring for radially lo...

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Bibliographische Detailangaben
Hauptverfasser:	ABEL FRANCIS, CHICOT ROMAIN, FIGURA GIORGIO, CHAMMAS BASSAM, EUMONT VINCENT, GEOFFROY JEAN-MICHEL, GERARD ARNAUD, GAINETON NICOLAS, TAHYRY MOHAMED
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINE PLANTS IN GENERAL 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 turbocharger having a variable-nozzle turbine formed by pivotable vanes supported by a nozzle ring includes a locator that is radially elastically deformable and is disposed between a radially outwardly facing surface of the center housing and an opposing surface of the nozzle ring for radially locating the nozzle ring relative to the center housing. At least one vent is defined in either a radially outermost surface of the locator or the surface of the nozzle ring to allow pressure communication between spaces on axially opposite sides of the locator. 本发明涉及具有可变喷嘴涡轮机的涡轮增压器，所述可变喷嘴涡轮机由被喷嘴环支撑的可枢转叶片形成，所述涡轮增压器包括定位器，所述定位器可径向地弹性变形并且被设置在所述中央壳体的径向地面向外部的表面与所述喷嘴环的相对表面之间，以用于将所述喷嘴环相对于所述中央壳体径向地定位。至少个通气部被限定在所述定位器的径向最外表面中或者所述喷嘴环的表面中，以允许在定位器的轴向相对侧上的空间之间的压力连通。