Patent ID: 7162872
Filing Date: 2007-01-16
Classification: F01N,F02B,F02M,Y02T

Abstract:
1. An exhaust gas turbocharger for an internal combustion engine including an intake duct ( 6 ) and an exhaust duct ( 4 ) with a compressor ( 5 ) arranged in the intake duct ( 6 ) and an exhaust turbine ( 3 ) arranged in the exhaust duct ( 4 ), said exhaust turbine ( 3 ) having a turbine housing ( 24 ) with an exhaust gas collection chamber ( 25 ), a turbine wheel ( 27 ) rotatably supported in the turbine housing ( 24 ), a turbine inlet passage for conducting exhaust gases from the exhaust gas collection chamber ( 25 ) to the turbine wheel ( 27 ), an exhaust structure ( 28 ) for discharging exhaust gas from the turbine ( 4 ) and an exhaust gas bypass structure ( 31 ) bypassing the turbine wheel within the turbine housing ( 24 ) for conducting exhaust gas from the exhaust gas collection chamber ( 25 ) directly to the exhaust structure ( 28 ), and a gas pumping means including a nozzle structure ( 38 ) arranged in the bypass structure ( 31 ) in the turbine housing ( 24 ) with a gas pumping line ( 18 , 21 ) connected to a connection stub ( 29 ) of the turbine housing ( 24 ) in communication with the structure ( 38 ).