Provided are a dual fuel injector, an engine, and a control method for a dual fuel injector, relating to the technical field of engines. The dual fuel injector includes a fuel oil supply passage, a gaseous fuel supply passage, and a fuel injection portion....

Disclosed herein is a fuel injection valve for an internal combustion engine. The fuel injection valve includes a valve body (10), a nozzle (20), a valve plate (30), a main needle spindle (40), a main needle (50), a main needle spring (60), a spring plate ...