Internal combustion engine supercharged by means of an exhaust g

Details Internal combustion engine supercharged by means of an exhaust g Internal combustion engine supercharged by means of an exhaust g

1988-09-07

1989-05-30

Koczo, Michael

Power plants

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

With supercharging means for engine

60606, F02B 3712

Patent

active

048338869

ABSTRACT:
In a diesel engine (1) supercharged by an exhaust gas turbocharger, both the compressor (4) and the turbine (3) of the supercharger are designed for full engine power and speed. A by-pass duct (8) provided with a non-return valve (9) and a control device (10) is connected between the exhaust gas duct (9) and the boost air duct (5). The turbine (3) is equipped with means (11, 12, 13) for varying the turbine equivalent cross-section. At part load, the equivalent cross-section and, simultaneously, the by-pass duct cross-section are varied in order to operate as near as possible to the surge limit of the compressor (4).

REFERENCES:
patent: 1816787 (1931-07-01), Moss
patent: 2379455 (1945-07-01), Prince
patent: 4215550 (1980-08-01), Dinger et al.

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