Patent ID: 7559734
Filing Date: 2009-07-14
Classification: B60P,B65F

Abstract:
1. A refuse vehicle including a lifting arm mounted to the vehicle that moves between a lowered position and a raised position, a refuse storage body that moves between a lowered position and a raised position, said refuse storage body having a rear door that moves between a closed position and an open position, a packer in the refuse storage body that moves between an extended and a retracted position, drive mechanisms connected to the lifting arm, refuse storage body, rear door, and packer that move the arm, body, rear door, and packer between respective ones of said positions, a hydraulic valve system that operates the drive mechanisms, said valve system including a plurality of valves having spool mechanisms moveable to different positions in response to electronic actuation devices to adjust the speed and direction of movement of the drive mechanisms, sensors that detect the positions of the lifting arm, refuse storage body, rear door, and packer, said sensors generating electrical signals corresponding to said respective detected positions, and an electrical/electronic control system including