Patent ID: 11965795
Assignee: RANGE ENERGY INC.
Field: Transport (Mechanical engineering)
Classification: CPC G  B | IPC B  G

Claim 7:
8. The method of claim 7:
wherein triggering the motor to reduce torque output in the first direction of motion comprises triggering the motor to reduce torque output in the first direction of motion to decrease the first difference between the first total force and the first target preload force:
in response to the first speed of the trailer exceeding the first threshold speed comprising a lower speed limit; and
in response to the first total force falling below the first target preload force;

wherein triggering the motor to disable torque output in the third direction of motion comprises, in response to the third speed of the trailer falling below the second threshold speed comprising an upper speed limit, triggering the motor to disable torque output in the third direction of motion; and
further comprising during a fourth time period:
detecting a fourth longitudinal force applied to the kingpin by the hitch;
detecting a fourth lateral force applied to the kingpin by the hitch;
detecting a fourth speed and a fourth direction of motion of the trailer;
in response to the fourth speed of the trailer falling below the lower speed limit, accessing a nominal low-speed preload force;
calculating a fourth total force applied to the kingpin by the hitch based on the fourth longitudinal force and the fourth lateral force; and
in response to the fourth total force exceeding the nominal low-speed preload force, triggering the motor to increase torque output in the fourth direction of motion of the tow vehicle to decrease a third difference between the fourth total force and the nominal low-speed preload force.