The Future of Injection Piezoelectric Injectors' Unrivaled Speed

According to Bosch, who introduced Piezo injectors to the industry, a Piezo actuator acts up to 5 times faster than a standard injector solenoid and the motion ... A crystal transforms your voice energy into electrical signals, which a phone or computer then senses and interprets. Your keyless-entry devices ... omitting the efficient piezoelectric actuator. At present ... Experimental simula- tion of common rail electromagnetic injectors wearing. This chapter is dedicated to modeling, system identification, and control of electromagnetic actuators with the main focus on the actuators used in magnetic ... While direct actuator's stroke is generally lower than 100 μm, amplified piezo actuators can reach millimeter strokes. ... piezoelectric fuel injectors ... By eliminating the hydraulic servo mechanism between the actuator and nozzle needle, very fast injector response times are possible. Direct-acting piezoelectric ... Compared to the electromagnetic nozzle, piezo nozzles consume less fuel and have higher efficiency [4]. BOSCH piezo injectors are the most common injectors. Accordingly, a PICMA® stack actuator with a layer thickness of 60 µm has an approx. 70 times higher capacitance than a PICA stack actuator of the same volume ... ... actuators and key working units, and then changing the control settings. 2. Methods 2.1. Test object The tests were carried out on the Siemens VDO ... ... injection rate is simpler than commercial fuel injectors based on electromagnetic actuators. In order to better prove the latter concept, a more engineered ...