Device for controlling turbocharger with electric rotary machine

Details Device for controlling turbocharger with electric rotary machine Device for controlling turbocharger with electric rotary machine

1988-07-28

1989-11-28

Koczo, Michael

Power plants

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

With supercharging means for engine

290 52, F02B 3700

Patent

active

048829056

ABSTRACT:
A device for controlling a turbocharger with an electric rotary machine detects, at all times, the rotational speed of the engine on a motor vehicle and the amount of depression of the accelerator pedal while the motor vehicle is running, to confirm present running conditions of the motor vehicle. A required boost pressure which is required under the confirmed running conditions is determined, and if the required boost pressure is higher than the boost pressure produced from the turbocharger by the energy of exhaust gases emitted from the engine and corresponding to the rotational speed of the engine, the controlling device drives the electric rotary machine coupled to the rotatable shaft of the turbocharger as a motor to increase the speed of rotation of the turbocharger for a quick buildup of the boost pressure.

REFERENCES:
patent: 4745755 (1988-05-01), Kawamura
patent: 4757686 (1988-07-01), Kawamura et al.

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