Patent ID: 6805104
Filing Date: 2004-10-19
Classification: F02D,F02M,Y02T

Abstract:
A system for feeding LPG by injection for an internal combustion engine, comprising:an LPG tank, a plurality of LPG injectors associated to the cylinders of the engine, to inject LPG in the liquid state into said cylinders, a manifold or rail for feeding the LPG to said injectors, a conduit for feeding LPG from the tank to the aforesaid rail, a return conduit to return into the tank the excess LPG fed to the injectors, a pump immersed in the LPG present in the tank to feed the LPG through the LPG feed conduit, and an electric motor for driving the pump, wherein it further comprises: sensor means for measuring the electric current absorbed by the electric motor for driving the pump, and actuator means for interrupting the operation of the electric motor when the sensor means detect a lowering of the electrical current absorbed by the electric motor below a predetermined threshold value.