Engine Optimization The Speed Edge of Piezoelectric Injectors

use in diesel fuel injectors. Sept 2009 – Milestone: Measure and compare piezoelectric and mechanical reliabilities of tape- cast and hot ... As a Piezo injector performs faster, it can carry out more injections per cylinder stroke and allows for higher fuel system pressures. This ... Piezoelectric transducers and actuators are uniquely able to combine speed, force and precise motion into a compact package. 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 ... Considering the nonlinearity of a piezoelectric actuator, the complete electro-mechanical-hydraulic model of the piezoelectric injector was established and ... Aerospace and Defense: The high precision and fast response times of piezo actuators make them valuable in aerospace applications like fuel injectors, active ... Piezoelectric stack actuators are particularly useful because they can generate large forces, but the displacement is almost linear depending on ... I think they are getting better. We used them maybe 4 years ago. So the new technology may be better. omitting the efficient piezoelectric actuator. At present ... Experimental simula- tion of common rail electromagnetic injectors wearing. The ECU then controls various output actuators like fuel injectors. ... • 5 times faster than conventional injectors. 7. Emission Control ...