Method of adjusting the engine braking performance of a supercha

Details Method of adjusting the engine braking performance of a supercha Method of adjusting the engine braking performance of a supercha

1999-07-23

2000-08-15

Johnson, Brian L.

Motor vehicles

With means for detecting wheel slip during vehicle...

60602, 123322, F02D 2300

Patent

active

061021466

ABSTRACT:
A method adjusts the engine braking performance of a supercharged internal-combustion engine. The exhaust gas turbocharger of the internal-combustion engine is provided with a variably adjustable turbine geometry for changing the effective turbine cross-section. In order to be able to transmit high brake powers, while the directional control is simultaneously high, a wheel slip control is implemented in the engine braking operation. The rotational speed of at least one wheel is measured and is compared with a reference value. In the event of a deviation of the measured rotational wheel speed from the reference value, a control signal is generated and fed to a control element which acts upon the variable turbine geometry for reducing the wheel slip.

REFERENCES:
patent: 4961145 (1990-10-01), Gernot
patent: 5127501 (1992-07-01), Arikawa
patent: 5146890 (1992-09-01), Gobert et al.
patent: 5727856 (1998-03-01), Kost et al.
patent: 5894731 (1999-04-01), Hakansson
patent: 5967115 (1999-10-01), Konopka et al.
patent: 6000221 (1999-12-01), Church et al.

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