Engine braking control system

Details Engine braking control system Engine braking control system

1985-08-05

1987-05-05

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123323, F02D 906

Patent

active

046623329

ABSTRACT:
In a four-stroke internal combustion engine for driving a motor vehicle, a throttle flap holding back the exhaust gases during vehicle braking is arranged in the outlet channel. Each of the outlet valves controlled by a cam shaft via rockers has assigned to it a limiting device by means of which the stroke of the outlet valves is limited during braking to an amount which prevents the outlet valves from closing. To increase the engine braking power in an internal combustion engine of this type, the stroke of the outlet valves is limited to an amount at which the opened outlet valves achieve a braking effect, and there is a directional valve which is adjustable as a function of the brake-pedal travel and by means of which the throttle flap and the limiting devices can be actuated.

REFERENCES:
patent: 4363301 (1982-12-01), Stock et al.
patent: 4475500 (1984-10-01), Bostelman

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