Low pressure fuel injection system

摘要

A low pressure fuel injection system for an engine, which system comprises an injector having a body, a fuel passage in the body, an outlet orifice, a valve obturator element, a spring which causes the valve obturator element to close the outlet orifice on its downstream side, and vibrator means for vibrating the injector to move the valve obturator element away from the outlet orifice to enable the fuel to pass through the outlet orifice.