Fuel Injection Reinvented Piezoelectric Injectors' Blazing Velocity

Moreover, because of the higher velocity, the piezo injector could cause a better fuel penetration in the combustion chamber and, hence, a better fuel-air ... These piezo motors have many applications within the medical field They are now being used more than electromagnetic motors due to the high number of advantages ... Frequencies in the kilohertz range are desirable and piezo actuators provide faster response than electromagnetic drives, such as solenoids or voice coils. The ... The correct answer is A, piezo, which allows for precise fuel metering leading to better fuel economy and reduced emissions. Piezo injectors ... In more advanced fuel injectors, piezoelectric actuators have replaced solenoid actuators due to their faster response time. ... then pumps the electrical charge ... Since the piezo actuator is integrated into the injector body, piezo injectors are slim and need less installa- tion space than solenoid injectors. Possible ... a high voltage to open the injector; · The first injection event is called the Pilot Injection, during which time, a small amount of fuel is delivered to better ... And for an electromagnetic injector, there is usually an outlet for fuel backflow from the center of the electromagnet. The photo shows a Bosch piezo injector. ABSTRACT: Piezoelectric actuators are increasingly used in fuel injectors due to their quick ... electric actuators than with conventional ... B2 and Interdigitated electrode (IDE) actuator showed less piezo performance however B2 actuator indicate better reliability than the reference material;