Patent ID: 6223534
Filing Date: 2001-05-01
Classification: F02B,F02D,Y02T

Abstract:
An engine braking arrangement for an internal combustion engine having intake and exhaust ducts with an exhaust gas turbocharger including a turbine with a rotor disposed in the exhaust duct so as to be driven by the exhaust gas generated by the internal combustion engine and, arranged in said intake duct, a compressor driven by said turbine, a brake valve disposed in said exhaust duct upstream of said turbine and being adjustable between open and closed positions and a pressure relief line extending from an area of said exhaust duct upstream of said turbine rotor and including a stop valve for opening or closing said pressure relief line, said stop valve being a rotationally adjustable rotary valve which is operable by an actuating device connected to said rotary valve for controlling said rotary valve depending on the intake pressure in said intake duct.