Wastegate assembly and turbocharger

• Main Authors: COLA MICHAEL DANIEL, DEPAOLI DOMINIC WILLIAM, DATE AARON, G. W. BRADY
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2021
• Subjects: BLASTING; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

A wastegate assembly for controlling exhaust gas flow from an internal combustion engine and through a wastegate passage of a turbocharger includes a valve element having a valve body and a valve shaft extending away from the valve body, the valve shaft extending along an axis, the valve element being movable between first and second positions to control exhaust gas flow through the wastegate passage; a spindle having a head defining an opening for receiving a valve shaft to move the valve element between the first and the second position; a gasket coupled to the valve shaft and spaced apart from the main shaft along an axis, a shaft disposed between the valve body and the gasket for fastening the main shaft to the valve shaft; the biasing member is arranged between the main shaft and the gasket; one of the head or gasket includes an elevated flange extending toward the other of the head or gasket, the other of the head or gasket defining a notch for at least partially receiving the flange and cooperating wit