Internal combustion engine construction and method

Claim 1

IN A METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE OF THE KIND WHEREIN THE ENGINE INCLUDES A CYLINDER HEAD PISTON CONSTRUCTION DEFINING A CYLINDER SPACE, SAID CYLINDER SPACE COMMUNICATING (A) WITH AN EVAPORATION CHAMBER HAVING A HOT WALL DURING OPERATION AND (B) WITH AN AIR COMPRESSION SPACE ALSO COMMUNICATING WITH SAID EVAPORATION CHAMBER AND WHEREIN THE MAJOR AMOUNT OF COMBUSTION AIR IS INTRODUCED INTO SAID CYLINDER SPACE WHILE FUEL IS INJECTED INTO SAID EVAPORATION CHAMBER AND DEPOSITED ON THE HOT WALL THEREOF TO EVAPORATE THEREFROM AND WHEREIN A MINOR PORTION OF THE COMBUSTION AIR IN THE CYLINDER SPACE IS THEREAFTER COMPRESSED IN THE EVAPORATION CHAMBER WHILE A MAJOR PORTION IS COMPRESSED IN THE AIR COMPRESSION SPACE, WHEREAFTER TOWARDS THE END OF THE COMPRSSION THE FUELAIR MIXTURE IN THE EVAPORATION CHAMBER IS IGNITED AT AN IGNITION LOCATION, THE IMPROVEMENT WHICH COMPRISES THAT THE FUEL VAPOR FORMED IN THE EVAPORATION CHAMBER PRIOR TO THE IGNITION IS URGED AND CONCENTRATED TOWARD THE IGNITION LOCATION IN THE EVAPORATION CHAMBER WHILE ACCESS OF PURE AIR FROM SAID CYLINDER SPACE AND SAID COMPRESSION SPACE TO SAID IGNITION LOCATION IS SUBSTANTIALLY PREVENTED AT LEAST AT A TIME IMMEDIATELY PRIOR TO IGNITION AND THAT THE BURNING MIXTURE FORMED UPON IGNITION WITHIN THE EVAPORATION CHAMBER IS THEN EJECTED IN THE FORM OF A THIN LAYER AND AT GREAT SPEED OVER THE WALL OF SAID EVAPORATION CHAMBER AND INTO SAID AIR COMPRESSION SPACE TO CAUSE EVAPORATION AND COMBUSTION OF FUEL PARTICLES DEPOSITED ON SAID EVAPORATION CHAMBER WALL.