Automotive Pressure Sensor.pdf

This kind of silicon piezo-resistive pressure sensor incorporates MEMS and ASIC technology in the design to achieve high-accuracy pressure measurements in the whole working temperature range. The Combination Sensor measures the pressure of the fuel at the inlet of the injectors to optimize fuel metering and to control combustion for improved emissions and engine performance. Whether CNG or LPG, it is conventional to measure both pressure and temperature, and the P+T package combines both readings in one convenient robust package. The pressure measurement from the Regulator or Tank Valve application is used to calculate the amount of fuel in the tank for dashboard fuel gauge indication. It replaces more traditional electro-mechanical devices and its accuracy can even help to detect possible leakage in high pressure LPG systems