Electronic control for a motor vehicle variable geometry turboch

Details Electronic control for a motor vehicle variable geometry turboch Electronic control for a motor vehicle variable geometry turboch

1986-02-10

1987-06-09

Hart, Douglas

Power plants

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

With supercharging means for engine

F02B 3700

Patent

active

046710680

ABSTRACT:
An electronic control for a variable displacement turbocharger (VGT) determines the desired operation of the VGT in accordance with vehicle and engine operating conditions, and positions the VGT control arm to achieve the desired operation. When the engine is operating in a vacuum mode, the control arm is adjusted in open loop fashion; when the engine should be operating in a boost mode, the control arm is adjusted in a closed loop fashion according to the difference between the actual and desired boost.

REFERENCES:
patent: 4203296 (1980-05-01), Tanaka

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