Internal combustion engine

Claim 1

AN INTERNAL COMBUSTION ENGINE COMPRISING: (A) A POWER CYLINDER ASSEMBLY WHICH INCLUDES, (I) A POWER CYLINDER HAVING A SMOOTH HEAD, (II) A POWER PISTON HAVING A SMOOTH TOP CONFORMING TO THE AREA OF THE CYLINDER HEAD AND FITTED FOR RECIPROCATION IN SAID POWER CYLINDER BETWEEN TOP DEAD CENTER AGAINST THE CYLINDER HEAD, AND BOTTOM DEAD CENTER, SAID PISTON HAVING A FIRING POSITION ON THE OUTWARD STROKE SEVERAL DEGREES PAST TOP DEAD CENTER, (III) A RESTRICTED SPACE IN SAID POWER CYLINDER FORMING A FIRING CHAMBER, SAID FIRING CHAMBER CONSISTITUTING THE SPACE BETWEEN THE CYLINDER HEAD AND THE TOP OF THE POWER PISTON AT FIRING POSITION OF SAID POWER PISTON, (IV) AN EXHAUST PORT ON ONE SIDE IN PROXIMITY TO THE TOP OF THE CYLINDER WALL AND A TRANSFER PORT ON THE OTHER SIDE IN PROXIMITY TO THE TOP OF THE CYLINDER WALL, (B) A COMPRESSION CYLINDER ASSEMBLY WHICH INCLUDES, (I) A COMPRESSION CYLINDER HAVING A SMOOTH HEAD LOCATED ADJACENT TO SAID POWER CYLINDER AND HAVING A LARGER CAPACITY THAN THE POWER CYLINDER, (II) A COMPRESSION PISTON HAVING A SMOOTH TOP CONFORMING TO THE AREA OF THE CYLINDER HEAD AND FITTED FOR RECIPROCATION IN SAID COMPRESSION CYLINDER BETWEEN TOP DEAD CENTER, AGAINST THE CYLINDER HEAD AND BOTTOM DEAD CENTER, (III) AN INTAKE PORT ON ONE SIDE IN PROXIMITY TO THE TOP OF THE CYLINDER WALL AND A TRANSFER PORT ON THE OTHER SIDE IN PROXIMITY TO THE TOP OF THE CYLINDER WALL, SAID TRANSFER PORT BEING ADJACENT TO THE POWER CYLINDER, (C) A TRANSFER PASSAGE CONNECTING THE TRANSFER PORTS IN SAID POWER AND COMPRESSION CYLINDERS AND TRANSFER VALVE MEANS WHICH KEEP SAID PASSAGE CLOSED ALL THE TIME EXCEPT FOR THE PERIOD OF THE TRANSFER OF THE CHARGE UNDER COMPRESSION FROM SAID COMPRESSION CYLINDER TO SAID POWER CYLINDER, (D) A CRANK SHAFT OPERATIVELY CONNECTED BY A FIRST CRANK MEANS TO SAID POWER PISTON AND BY A SECOND CRANK MEANS TO SAID COMPRESSION PISTON SO THAT THE FIRST CRANK MEANS IS ANGULARLY ADVANCED IN RESPECT TO SAID SECOND CRANK MEANS SO AS TO EXERT MAXIMUM LEVERAGE ON SAID CRANK SHAFT WHEN SAID POWER PISTON IS ON POWER STROKE, (E) AN INTAKE VALVE MEANS RESPONSIVE TO THE POSITION OF SAID COMPRESSION PISTON SO AS TO OPEN SAID INTAKE PORT AS THE PISTON STARTS ON ITS DOWN STROKE AND TO CLOSE SAID INTAKE PORT AS THE PISTON STARTS ON ITS COMPRESSION STROKE, (F) SAID TRANSFER VALVE MEANS COMPRISING TWO TRANSFER VALVE MEMBERS WHICH ARE OPERATIVE TO OPEN SAID TRANSFER PASSAGE AFTER SAID POWER PISTON HAS REACHED TOP DEAD CENTER AND STARTS ITS DOWN STROKE TOWARD FIRING POSITION AND PRIOR TO SAID COMPRESSION PISTON REACHING TOP DEAD CENTER ON ITS UP STROKE AND TO REMAIN OPEN UNTIL SAID COMPRESSION PISTON REACHES TOP DEAD CENTER AGAINST SAID CYLINDER HEAD AND THEREAFTER CLOSES, (G) EXHAUST VALVE MEANS RESPONSIVE TO THE POSITION OF THE POWER PISTON TO OPEN SAID EXHAUST PORT WHEN THE PISTON IS IN PROXIMITY OF BOTTOM DEAD CENTER AND TO REMAIN OPEN UNTIL SAID POWER PISTON REACHES TOP DEAD CENTER AGAINST SAID CYLINDER HEAD SO AS TO COMPLETELY SCAVENGE SAID CYLINDER AND THEREAFTER CLOSE AS THE POWER PISTON COMMENCES ITS DOWN STROKE.