A four-way exhaust gas valve (10) has a permanent inlet (1), a permanent outlet (2), a selectable inlet (4), a selectable outlet (3) and a pivotable valve flap (5). The pivotable valve flap (5) is arranged for switching between a first mode of operation, i...

Provided is a control device for an internal combustion engine equipped with a supercharger, including: operation state detection means for detecting an operation state of the internal combustion engine; overlap read means for reading a valve overlap perio...

The present invention provides, in an internal combustion engine having a supercharger, an air amount estimating apparatus capable of estimating an amount of air drawn into a cylinder with high accuracy without involving an increased calculation load. The ...

The internal combustion engine (10) has an exhaust manifold (12) and a charge-air collector (13) for each of all the combustion chambers which are staggered depending on the power of combustion engine, and an exhaust gas turbine (17) connected to the exhau...

Inside of a gas-tight housing 12, an electric motor 18, an inverter 20 and a compressor 24 are housed. Further, an intake air pipe 14 is connected to the gas-tight housing 12. Inside of the gas-tight housing 12, an intake air flow passage 16 is formed. Fur...

The system has an inlet gas compressor (4) and an air-pressure protection valve (5) driven by an engine (1). A data processing unit (9) controls operation of a control valve (8). The control valve receives data relative to conditions of engine control in o...