Patent ID: 9494111
Filing Date: 2016-11-15
CPC Classification: F01D,F02B,F02D,F02M,F05D,Y02T

Claim Text:
1. A variable geometry turbine for turbochargers in exhaust gas recirculation engines comprising: a turbine housing having an exhaust inlet with a first side receiving exhaust from cylinders having exhaust gas recirculation (EGR) and a second side receiving exhaust from non-EGR cylinders, said first side having a first EGR-driving passage and a second EGR-driving passage and said second side having a first non-EGR-driving passage and a second non-EGR-driving passage; a first control valve associated with the second EGR-driving passage; a second control valve associated with the second non-EGR-driving passage; and, a controller adapted to independently control the first and second control valves to establish EGR flow rate and boost control.