System for adjusting the tension of the continuous belt component of a CVT

A system for adjusting the tension of a belt part of a continuously variable transmission, which is mounted downstream of a vehicle engine and is continuously variably adjustable with respect to its transmission ratio, the system comprising:

• first means for controlling the vehicle engine;
• second means for controlling the belt transmission;
• said first means functioning to determine a first signal (Mmot) representing the engine torque of the vehicle engine and functioning to supply the first signal (Mmot) to said second means;
• means for determining a deterioration value (AW), which represents the deterioration of at least one of the belt part and the wear thereof;
• means for determining a safety reserve (SR) in dependence upon said deterioration value (AW);
• and, said second means functioning to adjust said tension in dependence upon said first signal (Mmot) and said safety reserve (SR).

A system for adjusting the tension of a belt part of a continuously variable transmission, which is mounted downstream of a vehicle engine and is continuously variably adjustable with respect to its transmission ratio, the system comprising:

• first means for controlling the vehicle engine;
• second means for controlling the belt transmission;
• said first means functioning to determine a first signal (Mmot) representing the engine torque of the vehicle engine and functioning to supply the first signal (Mmot) to said second means;
• third means for providing an additional signal (Mbr, ω′, aq) which represents at least one of:
• the braking action to be adjusted on the vehicle wheels;
• and, the yaw movement;
• and, the transverse movement of the vehicle;
• said third means functioning to supply said additional signal (Mbr, ω′, aq) to said second means;
• means for determining a safety reserve (SR) in dependence upon said additional signal (Mbr,ω′, aq);
• and, said second means functioning to adjust said tension in dependence upon said first signal (Mmot) and said safety reserve (SR).

A system for adjusting the tension of a belt part of a continuously variable transmission, which is mounted downstream of a vehicle engine and is continuously variably adjustable with respect to its transmission ratio, the system comprising:

• first means for controlling the vehicle engine;
• second means for controlling the belt transmission;
• said first means functioning to determine a first signal (Mmot) representing the engine torque of the vehicle engine and functioning to supply the first signal (Mmot) to said second means;
• third means for supplying an additional signal (Nwheel, awheel) to the second means;
• said additional signal (Nwheel, awheel) representing the rpm or the change of the rpm of at least one vehicle wheel;
• means for determining a safety reserve (SR) in dependence upon said additional signal;
• and,
• said second means functioning to adjust said tension in dependence upon said first signal (Mmot) and said safety reserve (SR).

A system for adjusting the tension of a belt part of a continuously variable transmission, which is mounted downstream of a vehicle engine and is continuously variably adjustable with respect to its transmission ratio, the system comprising:

• first means four controlling the vehicle engine;
• second means for controlling the belt transmission;
• said first means functioning to determine a first signal (Mmot) representing the engine torque of the vehicle engine and functioning to supply the first signal (Mmot) to said second means;
• third means for distance control and for determining an intervention signal (ACC) in dependence upon the detected distance to the vehicle driving ahead and via which an intervention into the brake system of the vehicle is triggered or prepared;
• means for determining a safety reserve (SR) in dependence upon said intervention signal (ACC);
• and, said second means functioning to adjust said tension in dependence upon said first signal (Mmot) and said safety reserve (SR).

A system for adjusting the tension of a belt part of a continuously variable transmission, which is mounted downstream of a vehicle engine and is continuously variably adjustable with respect to its transmission ratio, the system comprising:

• first means for controlling the vehicle engine;
• second means for controlling the belt transmission;
• said first means functioning to determine a first signal (Mmot) representing the engine torque of the vehicle engine and functioning to supply the first signal (Mmot) to said second means;
• third means for determining a roadway value (FB) at least via a sensor including a radar sensor, and wherein said roadway value (FB) represents the roadway unevenness of the roadway to be driven over by the vehicle;
• means for determining a safety reserve (SR) in dependence upon said roadway value (FB);
• and,
• said second means functioning to adjust said tension in dependence upon said first signal (Mmot) and said safety reserve (SR).