Inventors:
Dennis D. Feucht - Morton IL
Maurice E. Moushon - Peoria IL
Assignee:
Caterpillar Inc. - Peoria IL
International Classification:
F02D 2300
Abstract:
A turbocharger assembly for use with an internal combustion engine, the turbocharger assembly including a housing having an integral backpressure control valve assembly disposed in the turbine exhaust passage and an actuator assembly integral to the turbocharger housing, the actuator assembly being hydraulically operated by the pressurized engine lubricating oil supplied for lubricating the turbocharger, and the actuator assembly selectively actuating the backpressure control valve assembly in response to control signals generated by a control module based on engine coolant temperature and intake air temperature to optimize engine warm-up time and engine operating temperature.