Device for controlling a vehicle engine-braking system

Details Device for controlling a vehicle engine-braking system Device for controlling a vehicle engine-braking system

1990-05-02

1991-01-29

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

188273, F02D 906

Patent

active

049878697

ABSTRACT:
A process and apparatus for controlling an engine-braking system of an internal-combustion engine driving a vehicle is provided with brake flaps arranged in the exhaust-gas lines and constant-throttle valves provided in the cylinder heads. In the event of an activation of the engine-breaking system, the brake flaps are transferred to their closing position and the constant-throttle valves to their opening position. To exclude the possibility that the internal-combustion engine will stop as a result of a sudden decrease in speed during the engine-braking mode, it is proposed to put the brake flaps in their opening position and the constant-throttle valves in their closing position when the speed of the internal-combustion engine falls below a predetermined threshold value.

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Magazine Article from ATZ Automobiltechnische Zeitschrift 90 (1988), Authors: Wolf-Dietrich Korner, Horst Bergmann und Eckhard Weiss; Title: Die Motorbremse von Nutzfahrzeugen-Gronzon und Moglichkeiten zur Weiterentwicklung.

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