Team has developed a hydraulic transmission pressure pulsation system. This system is designed as a development lab tool to provide a method of testing the dynamic response of spool valves in the development of automatic transmissions. It is a portable device that is able to generate an oscillation with a controllable shape, frequency and amplitude. The self-contained hydraulic power unit provides oil flow and pressure to continuously operate the transmission pressure oscillator. The system produces 300 psi Pk-Pk oscillation pressure about a normal pressure with a 300 Hz maximum frequency capability. Pressure oscillations are controlled with a Team V-20 Voice Coil Servo-valve. The system's features include 1,500 psi air cooled hydraulic power unit with 5 gpm flow capacity.
