Device for controlling an internal combustion engine

Device for controlling the throttle valve position or the injection pump position, respectively, of an internal combustion engine, for automotive vehicles with a gas pedal, wherein a function generator is provided which presets the correlation of the throttle valve position or injection pump position with the position of the gas pedal in accordance with a function which can be changed by a regulating and correcting variable,

• the regulating variable is associated with the vehicle velocity and
• can be changed with a factor associated with at least one further varible and
• an additional variable is associated with the gearshift position, and
• a further additional variable is associated with the roadway temperature.

Control apparatus for one of a throttle valve and injection pump of an internal combustion engine for a vehicle having a gas pedal, comprising:

• first function generator means for modifying the correlation between said one of a throttle valve or injection pump position and gas pedal position in accordance with at least a modifying function,
• wherein said first function generator means comprises:
• means to modify said correlation in accordance with vehicle velocity, and
• means to modify said correlation in accordance with roadway temperature.

Control apparatus for one of a throttle valve and injection pump of an internal combustion engine for a vehicle having a gas pedal, comprising:

• first function generator means for modifying the correlation between said one of a throttle valve or injection pump position and gas pedal position in accordance with at least a modifying function, wherein said first function generator means comprises:
• means to modify said correlation in accordance with vehicle velocity,
• means to modify said correlation in accordance with gearshift position, and
• means to modify said correlation in accordance with roadway temperature.

A method for controlling one of a throttle valve and injection pump of an internal combustion engine for a vehicle having a gas pedal comprising the steps of:

• generating a first signal in response to a sensed desired value,
• generating a second signal in response to a sensed value of vehicle velocity,
• generating a third signal in response to a sensed value of a first function,
• generating a fourth signal in response to a sensed value of second function,
• processing said first, second, third and fourth signals to produce an output signal, and
• controlling the transfer characteristic between the gas pedal and one of the throttle valve or injection pump for effecting a progressive transfer characteristic at idling speeds wherein a large change in the gas pedal position effects a small change in one of the throttle valve position or injection pump position, the control changing to effect an increasingly degressive transfer characteristic wherein a small change in gas pedal position effects a large change in one of the throttle valve position or injection pump position as the vehicle velocity increases to high velocity.

A method for controlling one of a throttle valve and injection pump of an internal combustion engine for a vehicle having a gas pedal comprising the steps of:

• generating a first signal in response to a sensed desired value,
• generating a second signal in response to a sensed value of vehicle is velocity,
• generating a third signal in response to a sensed value of a first function,
• generating a fourth signal in response to a sensed value of second function,
• processing said first, second, third and fourth signals to produce an output signal, and
• controlling said one of a throttle valve or injection pump in response to said output signal,
• wherein said first function is gearshift position and wherein said second function is roadway temperature.

Apparatus for controlling one of a throttle valve and injection pump of an internal combustion engine for a vehicle having a gas pedal comprising:

• means for generating a first signal in response to a sensed desired value,
• means for generating a second signal in response to a sensed value of which is velocity,
• means for generating a third signal in response to a sensed value of a first function,
• means for generating a fourth signal in response to a sensed value of second function,
• microprocessor means for processing said first, second, third and fourth signals to produce an output signal, and
• means for controlling the transfer characteristic between the gas pedal and one of the throttle valve or injection pump for effecting a progressive transfer characteristic at idling speeds wherein a large change in the gas pedal position effects a small change in one of the throttle valve position and injection pump position, the control changing to effect an increasingly degressive transfer characteristic wherein a small change in gas pedal position effects a large change in one of the throttle valve position or injection pump position as the vehicle velocity increases to high velocity.

Apparatus for controlling one of a throttle valve and injection pump of an internal combustion engine for a vehicle having a gas pedal comprising:

• means for generating a first signal in response to a sensed desired value,
• means for generating a second signal in response to a sensed value of which is velocity,
• means for generating a third signal in response to a sensed value of a first function,
• means for generating a fourth signal in response to a sensed value of second function,
• microprocessor means for processing said first, second, third and fourth signals to produce an output signal, and
• means for controlling said one of a throttle valve or injection pump in response to said output signal,
• wherein said first function is gearshift position, and
• wherein said second function is roadway temperature.

A device for effecting fuel conservation in an automotive vehicle having an internal combustion engine with a throttle valve and an accelerator pedal comprising:

• at least one lamp,
• means for modifying the intensity of light output from the lamp as a function of at least one of vehicle velocity, gearshift position and roadway temperature,
• an analog logic operator means responsive to accelerator pedal position,
• means sensing the light intensity of said lamp for modifying the output of the analog logic operator means to effect a progressive transfer characteristic at idling speeds wherein a large change in the gas pedal position effects a small change in throttle valve position changing to effect an increasingly degressive transfer characteristic wherein a small change in gas pedal position effects a large change in throttle valve position as the vehicle velocity increases to high velocity.