Internal combustion engine with at least one turbocharger

Details Internal combustion engine with at least one turbocharger Internal combustion engine with at least one turbocharger

1987-07-13

1988-12-27

Koczo, Michael

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

60612, F02B 3712

Patent

active

047931400

ABSTRACT:
An internal combustion engine equipped with at least one exhaust gas turbocharger whose compressor is connected by way of a charging pressure line to a suction manifold of the engine and whose turbine is inserted into an exhaust gas line coming from an exhaust gas manifold. A controllable blow-off valve (waste gate) is installed into a by-pass line coming from the exhaust gas line and by-passing the turbine while the compressor is adapted to be short-circuited by way of a vent valve. During the transition of the internal combustion engine into the coasting operation, the blow-off valve is activated into the closed condition for at least a limited time span. A loss of exhaust gas energy during a shifting operation is avoided thereby so that the internal combustion engine accelerates more rapidly after termination of the shifting operation.

REFERENCES:
patent: 4459808 (1984-07-01), Rydquist et al.
patent: 4528815 (1985-07-01), Arnaud
patent: 4709552 (1987-12-01), Rutschmann et al.

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