A turbocharger (12) system for an internal combustion engine (10) is provided with at least one rotatable shaft (24) and a multi-stage compressor (20). The multi-stage compressor (20) includes a first compressor wheel (32) carried by a corresponding shaft ...

An interstage cooling system (10) for the turbocharger of an internal combustion engine is disclosed. Diffuser vanes (38), turning vanes 48 and/or deswirling vanes (40) are used as the heat exchangers in the interstage duct (12). A coolant fluid is supplie...

A low pressure fuel system (10) for a gaseous fuel internal combustion engine in which the source of gaseous fuel (16) is at a pressure lower than the intake manifold pressure of the internal combustion engine. The gaseous fuel is inducted into the interst...

A hydraulically actuated fuel injector (14') includes an injector body (105) having an actuation fluid inlet (106) and a needle control chamber (118). A hydraulic means within the injector pressurizes fuel in the injector body (105). The hydraulic means in...

The invention relates generally to a fuel filter assembly (2) with a filter housing (4) which attaches directly to a water separator bowl (12), thereby eliminating the need for a threaded adapter ring.

The present invention provides a method and apparatus for controlling the speed of an engine. The engine has an associated turbo charger and a throttle (116). The method includes the steps of determining a load characteristic of the engine, determining a c...

A system (100) for controlling operational modes of an engine (102) including valve and injection events, in which the engine (102) comprises a plurality of cylinders (104) having an intake and exhaust valve (220,222), an injector (224), a chamber and an i...