Arrangement for the control of the charging pressure of an exhau

Details Arrangement for the control of the charging pressure of an exhau Arrangement for the control of the charging pressure of an exhau

1987-06-26

1988-11-22

Koczo, Michael

Power plants

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

With supercharging means for engine

F02B 3712

Patent

active

047856300

ABSTRACT:
An arrangement for controlling the charging pressure of an exhaust gas turbocharger in which the turbine driving the compressor is adapted to be regulated by means of a by-pass valve that is acted upon with control pressure by an electromagnetic timing valve. The timed cycle duration variable by a control apparatus in dependence on the deviation from the desired charging pressure of the internal combustion engine. For reasons of operating safety, two control lines with slightly different pressure levels and each consisting of a control apparatus, of a timing valve and of a control pressure line are connected with a shifting valve, from which a common control pressure line leads to the by-pass valve.

REFERENCES:
patent: 4235076 (1980-11-01), Meloche et al.
patent: 4461149 (1984-07-01), Suzuki
patent: 4463565 (1984-08-01), Rydquist et al.
patent: 4467607 (1984-08-01), Rydquist et al.
patent: 4646522 (1987-03-01), Mamiya et al.

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