Patent ID: 6439174
Filing Date: 2002-08-27
Classification: F02M,Y02T

Abstract:
A crankcase ventilation system for a turbocharged internal combustion engine comprising:an internal combustion engine having a crankcase for holding lubricating oil and receiving blow-by gas and an exhaust stack for receiving exhaust gas under pressure and directing it away from the engine; a turbocharger for providing a supply of pressurized combustion air to the engine; eductor tubing connected between the crankcase and the exhaust stack for ventilating the crankcase; and a conduit extending between the pressurized side of the turbocharger and to a point adjacent to the eductor tubing for directing pressurized gas to flow in fluid communication with the eductor tubing for increasing vacuum, the conduit comprising an end having an orifice open to the eductor tubing with the orifice being positioned generally along an axis of the eductor tubing for directing a stream of pressurized air to flow generally along the axis of the eductor tubing toward an open end of the eductor tubing.