A system (100) is described for modeling various states of an operating engine and the adjustment of one or more operating characteristics of the engine based upon such modeling. A representative rate of change of a system mass for an engine is determined ...

The invention relates to a compressor bypass valve (1) for use in a multi-stage turbocharger of an internal combustion engine, said valve (1) comprising a valve body (30) comprising a compressor bypass passage (33, 42) having an inlet (33) and an outlet (4...

In a method for operating an internal combustion engine (1) with a turbocharger arrangement (2) comprising a low-pressure and a high-pressure stage arranged sequentially, the low-pressure stage comprising a low-pressure compressor (9), and at least one tur...

A method for determination of exhaust back pressure (P3) for an engine (1) with a two-staged turbocharger (2) comprises the following steps: - measuring the temperature (T3) downstream the engine (1), the temperature (T4) downstream the turbocharger (2) an...

A compressor bypass valve (6) comprises a valve housing (1) including a compressor bypass passage and a displacement body (2) disposed in the housing. The body includes two displacement parts (3, 4); first part is facing an upstream side of the housing. Th...

Regulating installation (10) with a first and second (12) turbo unit in the exhaust gas elbow (13) of the engine and control device operationally linked to them. The first turbo unit is situated above the exhaust gas elbow and the second turbo unit underne...

The exhaust gas turbocharger (1) has an exhaust turbine (2) driving two compressors (3,4) partly directly or via the interconnection of a gear stage (5) in such a way that a first compressor (3) has higher RPM than the exhaust turbine and the second compre...

A turbocharger (10) for an internal combustion engine (12), particularly suitable for use in a work machine, is provided with a turbine (20) having a low pressure region of minimum static pressure. A compressor (22) has a high pressure region of maximum dy...

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 ...

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...