Internal combustion engine

Claim 1

AN AIR-COMPRESSING, SELF-IGNITING COMBUSTION ENGINE, PARTICUALARLY FOR MULTI-FUEL OPERATION, HAVING A CYLINDER, A PISTON WITHIN SAID CYLINDER AND A CYLINDER HEAD, COMPRISING: A SUBSTANTIALLY CIRCULARLY SHAPED RECESS PROVIDED IN SAID PISTON AND FORMING A COMBUSTION SPACE, FUEL INJECTION MEANS LOCATED SUBSTANTIALLY CENTRALLY WITH RESPECT TO SAID CIRCULARLY SHAPED COMBUSTION SPACE, PLATE MEANS SECURED TO SAID CYLINDER HEAD AND PROJECTING INTO SAID COMBUSTION SPACE, SAID PLATE MEANS BEING MAINTAINED AT A RELATIVELY HIGH TEMPERATURE BY THE COMBUSTION AND COMPRESSION HEAT, AND MEANS FOR PRODUCING A VORTEXING MOVEMENT OF THE COMBUSTION AIR ADMITTED INTO SAID COMBUSTION SPACE SUBSTANTIALLY ABOUT THE AXIS OF SAID COMBUSTION SPACE WHICH EXTENDS IN THE LONGITUDINAL DIRECTION OF THE CYLINDER, SAID PLATE MEANS SUBSTANTIALLY CONFORMING TO THE DIRECTION OF MOVEMENT OF THE COMBUSTION AIR, AND THE INDIVIDUAL PLATE MEANS EXTENDING IN PROXIMITY TO THE RIM PORTION OF SAID RECESS APPROXIMATELY PARALLELLY TO THE LATTER.