approach to perfect engine air management

The TFI4-sensor system was developed for measuring the flow of air intake to an engine, but it also offers other applications such as boost pressure measurement or a p, T-sensor combination.

The individual sensors are optimized and customized in a complex calibration process. By this, the TFI4 sensor system achieves the highest possible accuracy – exactly in the range that is required for your application.

With modern coating technologies TFI4 is insensitive to a number of aggressive compounds in the fluid.

Ultra Fast Signal Processing – the basis for high accuracy

The flow and pressure measurements close to an engine are influenced by strong pulsations. The superposition of compressor, valve lifts, EGR injection etc., leads to a complex pressure-flow characteristic, depending on the engine map, aging and ambient conditions (air pressure, air temperature) and other variables. Since pressure and flow are coupled by the energy conservation (Boyle Mayotte), the correct pressure measurement and mass flow calculation becomes a complex task.

The truckflow TFI4 sensor measures pressure, temperature and flow, up to 4000 times per second and analyses in real time the condition of the fluid in the pipe by a complex real-time algorithm.