Patent ID: 6286488
Filing Date: 2001-09-11
Classification: F02D,F02N

Abstract:
A diesel engine start assist device comprising:a controller;a means for providing fuel to fewer than all cylinders of a diesel engine, said means for providing fuel to fewer than all of the cylinders being responsive to the controller;a first input to the controller for receiving a crank shaft signal associated with the position of a crank shaft of a diesel engine;a second input to the controller for receiving a cam shaft signal associated with the position of a cam shaft of the diesel engine; andcircuitry in the controller responsive to at least one of the crank shaft and cam shaft signals and operable to produce a speed signal corresponding to the speed of rotation of the diesel engine; andcircuitry in the controller responsive to the speed signal and operable to engage the means for providing fuel to fewer than all of the cylinders only when the speed of rotation is above a first predetermined value.