Patent ID: 7703421
Filing Date: 2010-04-27
Classification: F01P,F02M

Abstract:
1. An internal combustion engine, comprising: a crankcase forming a plurality of cylinders; a plurality of fuel injectors, each fuel injector operably associated with a respective one of the plurality of cylinders; a cylinder head connected to the crankcase, the cylinder head forming a plurality of injector bores, each of the plurality of fuel injectors disposed in a respective one of the plurality of injector bores; a plurality of injector clamps, each of which is arranged to secure a respective one of the plurality of fuel injectors to the crankcase while such fuel injector is located within a respective one of the plurality of injector bores; wherein each fuel injector forms a neck region, and wherein each clamp surrounds each fuel injector around the neck region; a plurality of annular volumes defined, one each, between the neck region of each fuel injector and each injector clamp, each annular volume disposed to collect a quantity of lubrication oil during operation of the internal combustion engine such that oil collected in each respective annular volume removes heat from each fuel injector.