Turbocharged diesel engine

Details Turbocharged diesel engine Turbocharged diesel engine

1996-04-23

1998-07-14

Koczo, Michael

Power plants

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

With supercharging means for engine

60602, 606052, 123506, F02B 3712, F02B 4708

Patent

active

057786747

ABSTRACT:
In a diesel engine in which boost air is supplied by a turbocharger, the generation of dry soot, which is a component of smoke, is suppressed by lowering the intake air temperature in the cylinder at the compression top dead center position of the piston. The fuel injected into the intake air is ignited by the heat of this compression. In order to reduce the intake air temperature at the top dead center position without reducing the amount of the intake air, the boost pressure of the turbocharger is lowered and also the effective compression ratio by the piston for the intake air is raised by, for example, altering the closing timing of an intake valve.

REFERENCES:
patent: 4474008 (1984-10-01), Sakurai et al.
patent: 4594983 (1986-06-01), Takahashi et al.
patent: 5187935 (1993-02-01), Akiyama et al.

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