Patent ID: 7186076
Filing Date: 2007-03-06
Classification: F01D,F02B,F05D,Y02T

Abstract:
1. An exhaust, gas turbine for a turbocharger of an internal combustion engine including a turbine housing ( 1 ) having an inlet passage for conducting exhaust gas onto a turbine wheel (T) supported in the housing ( 1 ), a guide vane structure ( 9 ) supported in said housing so as to be movable axially into, and out of, an annular space ( 8 ) of said inlet passage surrounding the turbine wheel (T), and an operating mechanism ( 22 ) for moving the guide vane structure ( 9 ), said operating mechanism ( 22 ) comprising an operating cylinder ( 22 ′) disposed in parallel axial alignment with the guide vane structure ( 9 ), a support ring ( 23 ) co-axially surrounding an inner sleeve ( 4 ) and having circumferentially spaced axial passages ( 24 ) with lugs ( 25 , 25 ′, 25 ″) extending through the passages so as to be axially guided therein, said lugs being connected at one of their ends to the guide vane structure ( 9 ) and at least one of the lugs ( 25 ) being connected at the other end thereof to the operating mechanism ( 22 ), at least said one of the lugs ( 25 ) being provided with a joint ( 26 ) and the operating cylinder ( 22 ′) having a piston rod ( 26 ′) connected to the at least one lug ( 25 ) by way of the joint ( 26 ).