Patent ID: 6571750
Filing Date: 2003-06-03
Classification: F01P,F02D

Abstract:
A smart fuel injection system for an automobile, comprising:a multi-cylinder engine having at least one fuel injector; an engine control unit configured to control multiple engine operations including air intake quantity, fuel injection pulse width, and coolant circulation; a plurality of sensors disposed throughout said engine and in communication with said engine control unit; said plurality of sensors including a plurality of injector head temperature sensors configured to directly measure a temperature at a head of each injector nozzle of each cylinder of said engine; and a smart coolant control valve in communication with said engine control unit and having a continuously adjustable coolant flow aperture therein and configured to regulate a quantity of engine coolant passing to said engine with substantial precision at anytime during operation of said engine, said smart coolant control valve further comprising: a main housing defining an interior space and having an inlet portion and an outlet portion therein configured to permit engine coolant flow therebetween, said main housing having said adjustable coolant flow aperture therein, a plunger disposed within said main housing, plunger movement means configured to move said plunger in a controlled manner within said main housing to adjust a size of said coolant flow aperture, and an upper seal and a lower seal disposed within said main housing and defining said adjustable coolant flow aperture therebetween.