Internal combustion engine operating on stratified combustion principle and combined fuel injection and igniting device for use therewith

Claim 1

IN AN INTERNAL COMBUSTION ENGINE HAVING A PISTON, A HOLLOW CYLINDER AND AN AIR INLET VALVE MOUNTED IN THE ENGINE BLOCK FORMING A NARROW COMBUSTION CHAMBER IN THE CYLINDER HEAD SPACE, AN ELONGATED INJECTOR-IGNITER MEANS FITTED AT ITS BASE IN SAID ENGINE BLOCK AND HAVING THE IGNITER ELECTRODES THEREOF EXTENDING INTO ONE SIDE OF THE HEAD SPACE BELOW SAID VALVE, THE CIRCULATION OF AIR IN THE HEAD SPACE OCCURRING AT RIGHT ANGLES TO THE ELECTRODES AND TO THE LONGITUDINAL AXIS OF SAID INJECTOR-IGNITER, SAID INJECTOR-IGNITER MEANS HAVING AN INLET FOR FUEL AND HAVING AN AXIAL PASSAGEWAYS EXTENDING ALONG ITS ENTIRE LENGTH IN COMMUNICATION WITH SAID INLET, A VALVE STEM MOUNTED AT ONE END OF SAID INJECTOR-IGNITER MEANS AND EXTENDING ALONG THE LENGTH OF SAID AXIAL PASSAGEWAY, SAID STEM BEING FORMED WITH VANES AT ITS END ADJACENT SAID ELECTRODES TO IMPART A SWIRLING MOTION TO INJECTED FUEL.