Injector Supremacy Piezoelectric Technology Dominates Electromagnetic Actuators

One type of fuel injector that offers precise metering of fuel is the piezoelectric fuel injector. Piezoelectric fuel injectors employ piezoelectric actuators ... Piezoelectric transducers have replaced the electromagnetic actuator ... lower than those found in a diesel engine, the piezoelectric actuators act directly on ... “Piezoelectric actuators are suited to miniaturisation, they produce no electromagnetic noise and they are highly efficient.” PZT thin films can ... As a Piezo injector performs faster, it can carry out more injections per cylinder stroke and allows for higher fuel system pressures. This ... This chapter is dedicated to modeling, system identification, and control of electromagnetic actuators with the main focus on the actuators used in magnetic ... Compared to the electromagnetic nozzle, piezo nozzles consume less fuel and have higher efficiency [4]. BOSCH piezo injectors are the most common injectors. It seems that several companies including Siemens already has piezo injectors that can inject at more than 400 bar over what the 6.4 is going to do. According to Bosch, which introduced piezo injectors to the industry, a piezo actuator acts up to five times faster than a standard injector solenoid and ... Piezo actuators (not to be confused with piezo motors) provide motion output proportional to a drive voltage – usually up to one millimeter and high dynamics ... The different parts of the proposed model are then depicted (injector holder, control valve, nozzle and piezoelectric valve) and merged. Finally, a comparison ...