Apparatus for propulsion control in a motor vehicle having an an

Details Apparatus for propulsion control in a motor vehicle having an an Apparatus for propulsion control in a motor vehicle having an an

1981-06-01

1983-11-22

Pekar, John A.

Motor vehicles

With means for detecting wheel slip during vehicle...

192 0082, 303110, B60T 802

Patent

active

044163479

ABSTRACT:
An apparatus for propulsion control in a motor vehicle with an anti-locking system is proposed, in which the supply and outflow of pressure medium is controllable via electromagnetically actuatable valves and which is characterized in that means are provided with which the return flow line can be exposed to pressure. It is the purpose of the apparatus to expand an anti-locking system to include a drive slippage regulating function, and this expansion is problem-free and cost-favorable. The proposed apparatus furthermore assures that a brake pedal actuation has priority. It is also proposed in the case of excessive slippage of both driven wheels to reduce the engine output. This is attained with a controllable drag member disposed between the driving pedal (or linkage) and the throttle valve, the control of the drag member being effected by means of the auxiliary pressure in the return flow line and via an electromagnetically controllable three-port, two-position valve for a hydraulic AND member.

REFERENCES:
patent: 3844371 (1974-10-01), Garcea
patent: 4206950 (1980-06-01), Elliot
patent: 4310201 (1982-01-01), Pauwels

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