Patent ID: 11951790
Assignee: PACCAR INC
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A vehicle, comprising:
a frame;
a cab mounted to the top of the frame, wherein a portion of the frame extends behind the cab;
an adjustable suspension system configured to raise and lower the frame;
at least one range sensor connected to the portion of the frame that extends behind the cab and is and aimed in an upward direction; and
an electronic control unit (ECU) configured to:
receive a distance value from the range sensor, the distance value representing a distance between the range sensor and an object over the range sensor;

determine an adjustment amount to raise or lower the frame based on the distance value; and
transmit a command to the adjustable suspension system to raise or lower the frame the determined adjustment amount,
wherein the at least one range sensor is aimed at an angle between 45 degrees above horizontal and 90 degrees above horizontal.