Installation for preventing spinning of the driven wheels of a motor vehicle

Claim 2

An installation for preventing the spinning of the driven wheels on a motor vehicle of the type having driven and nondriven wheels on each of two respective vehicle sides, said installation comprising monitoring means for determining the rotational speed differential between the driven and nondriven wheels and control means for controlling the rotational speed of the driven wheels in response to a predetermined rotational speed differential determined by the monitoring means; said monitoring means including wheel generator means for each wheel for producing a voltage corresponding to the rotational speed of a respective wheel, differential amplifier means for each vehicle side having inputs for accepting voltages produced by respective driven and non-driven wheels from the respective vehicle side, and voltage divider means operatively connected to respective driven wheel generator means for establishing a voltage difference corresponding to said predetermined rOtational speed differential in the circuit between the respective driven wheel and its amplifier input, each of said differential amplifier means providing an output when the rotational speed differential between the driven wheel and the non-driven wheel of the corresponding side exceeds the predetermined rotational speed difference, wherein outputs of the respective differential amplifier means of both vehicle sides are operatively connected to an actuating means which reduces the engine torque in the presence of a signal in its input.

Claim 3

An installation according to claim 1, characterized in that the outputs of the differential amplifier means of both vehicle sides are connected to said actuating means by way of a logic element.

Claim 4

An installation according to claim 1, characterized in that the engine torque is reduced by interruption of the ignition.

Claim 5

An installation according to claim 1, characterized in that the engine torque is reduced by reducing the supplied fuel quantity.

Claim 6

An installation according to claim 1, characterized in that the outputs of the differential amplifier means are operatively connected with an actuating means for engaging the brake of the corresponding driven wheels.

Claim 7

An installation according to claim 5, characterized in that the outputs of both differential amplifier means are operatively connected, on the one hand, with a logic element which produces a signal to the actuating means decreasing the engine torque only in the presence of the signals of both differential amplifier means whereas the output of each differential amplifier means, on the other, is connected with a further logic element operatively connecting a respective output of the differential amplifier means with a corresponding actuating means of the brakes, and said further logic elements being adapted to be blocked by the first-mentioned logic element which is operatively connected to the second input of each further logic element.

Claim 8

An installation for preventing the spinning of the driven wheels on a motor vehicle of the type having driven and non-driven wheels on each of two respective vehicle sides, said installation comprising monitoring means for determining the rotational speed differential between the driven and non-driven wheels and control means for controlling the rotational speed of the driven wheels in response to a predetermined rotational speed differential determined by the monitoring means; said monitoring means including wheel generator means for each wheel for producing a voltage corresponding to the rotational speed of a respective wheel, differential amplifier means for each vehicle side having inputs for accepting voltages produced by respective driven and non-driven wheels from the respective vehicle side, and voltage divider means operatively connected to respective driven wheel generator means for establishing a voltage difference corresponding to said predetermined rotational speed differential in the circuit between the respective driven wheel and its amplifier input; the output of the respective differential amplifier means of each vehicle side being operatively connected to its own brake actuating means for actuating brake means provided at the respective corresponding driven wheel, the outputs of the differential amplifier means being operatively connected with an actuating means for decreasing the engine torque and also with the actuating means acting on the brake of the corresponding driven wheels.

Claim 9

An installation for preventing the spinning of the driven wheels on a motor vehicle of the type having driven and non-driven wheels on each of two respective vehicle sides, said installation comprising monitoring means for determining the rotational speed differential between the driven and non-driven wheels and control means for controlling the rotational speed of the driven wheels in response to a predetermined rotational speed differential determined by the monitoring means; said monitoring means including wheel generator means for each wheel for producing a voltage corresponding to the rotational speed of a respective wheel, differential amplifier means for each vehicle side having inputs for accepting voltages produced by respective driven and non-driven wheels from the respective vehicle side, and voltage divider means operatively connected to respective driven wheel generator means for establishing a voltage difference corresponding to said predetermined rotational speed differential in the circuit between the respective driven wheel and its amplifier input; the output of the respective differential amplifier means of each vehicle side being operatively connected to its own brake actuating means for actuating brake means provided at the respective corresponding driven wheel, the outputs of the differential amplifier means being operatively connected with an actuating means for decreasing the engine torque and also with the actuating means acting on the brake of the corresponding driven wheels.

Claim 10

An installation according to claim 7, characterized in that the voltages produced by the generator means of the driven and non-driven wheels of a corresponding vehicle side are fed to the inputs of the corresponding differential amplifier means.

Claim 11

An installation according to claim 8, characterized in that the outputs of the differential amplifier means of both vehicle sides are operatively connected to the actuating means which reduces the engine torque in the presence of a signal in its input.

Claim 12

An insTallation according to claim 9, characterized in that the outputs of the differential amplifier means of both vehicle sides are connected to said actuating means by way of a logic element.

Claim 13

An installation according to claim 10, characterized in that the engine torque is reduced by interruption of the ignition.

Claim 14

An installation according to claim 10, characterized in that the engine torque is reduced by reducing the supplied fuel quantity.

Claim 15

An installation according to claim 7, characterized in that the outputs of both differential amplifier means are operatively connected, on the one hand, with a logic element which produces a signal to the actuating means decreasing the engine torque only in the presence of the signals of both differential amplifier means whereas the output of each differential amplifier means, on the other, is connected with a further logic element operatively connecting a respective output of the differential amplifier means with a corresponding actuating means of the brakes, and further logic elements being adapted to be blocked by the first-mentioned logic element which is operatively connected to the second input of each further logic element.

Claim 16

An installation for preventing the spinning of the driven wheels on a motor vehicle of the type having driven and non-driven wheels on each of two respective vehicle sides, said installation comprising separate monitoring means for each vehicle side for determining the rotational speed differential between the driven and non-driven wheels on the respective vehicle side, separate control means for each vehicle side for controlling the rotational speed of the respective driven wheels at a respective vehicle side in response to a predetermined rotational speed differential for the respective driven and nondriven wheels at a respective vehicle side which is measured by the respective monitoring means associated with said respective vehicle sides and engine torque interrupting means operatively connected to both of said monitoring means for interrupting the engine torque in response to a predetermined rotational speed differential existing on both sides of the vehicle.

Claim 17

An installation for preventing the spinning of the driven wheels on a motor vehicle of the type having driven and non-driven wheels on each of two respective vehicle sides, said installation comprising separate monitoring means for each vehicle side for determining the rotational speed differential between the driven and non-driven wheels on the respective vehicle side, separate control means for each vehicle side for controlling the rotational speed of the respective driven wheels at a respective vehicle side in response to a predetermined rotational speed differential for the respective driven and nondriven wheels at a respective vehicle side which is measured by the respective monitoring means associated with said respective vehicle sides and engine torque interrupting means operatively connected to both of said monitoring means for interrupting the engine torque in response to a predetermined rotational speed differential existing on both sides of the vehicle.