Device for controlling supercharging pressure of an exhaust gas

Details Device for controlling supercharging pressure of an exhaust gas Device for controlling supercharging pressure of an exhaust gas

Filed on

1987-01-05

Date issued

1988-04-12

Examiner

Koczo, Michael

Patent Class

Power plants

SubClass

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

SubSubClass

With supercharging means for engine

Other Related Categories

F02B 3712

Type

Patent

Status

active

Patent number

047365897

Description

ABSTRACT:
A supercharging pressure controlling device for an exhaust gas turbocharger having a turbine and a compressor comprising a velocity control device for exhaust gas flow and a bypass valve control device the bypass valve control device provided into the bypass channel for the turbine to increase the opening when the downstream supercharging pressure of the compressor exceeds a first set value. The velocity control device controls the exhaust gas velocity by varying the degree of valve opening when the downstream supercharging pressure of the compressor exceeds a second set value, wherein the first set value of the supercharging pressure is higher than the second set value.

REFERENCES:
patent: 2944786 (1960-07-01), Angell et al.
patent: 4483146 (1984-11-01), Morikawa

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