Combustion engine valve

Claim 1

IN AN INTERNAL COMBUSTION ENGINE INCLUDING A CYLINDER BLOCK HAVING A COMBUSTION CHAMBER, A GAS PASSAGE IN SAID BLOCK COMMUNICATING WITH THE CHAMBER AND A VALVE SEAT IN SAID BLOCK DISPOSED BETWEEN SAID CHAMBER AND PASSAGE, THE COMBINATION OF A VALVE COMPLEMENTARY TO SAID VALVE SEAT, GUIDE MEANS IN SAID BLOCK, SAID VALVE HAVING A VALVE STEM INTEGRAL THEREWITH AND SLIDABLY AND ROTATABLY MOUNTED IN SAID GUIDE MEANS, SAID STEM HAVING A GROOVE IN ITS PERIPHERY EXTENDING SPIRALLY RELATIVE TO THE AXIS THEREOF, PIN MEANS CARRIED BY SAID GUIDE MEANS AND EXTENDING INTO SAID GROOVE, WHEREBY WHEN SAID STEM MOVES LONGITUDINALLY RELATIVE TO ITS AXIS IT WILL BE CAUSED TO SIMULTANEOUSLY ROTATE, MEANS FOR RECIPROCATING SAID STEM, SAID VALVE HAVING UPPER AND LOWER SIDES, AND ARCUATE RIBS ON EACH OF SAID SIDES EXTEDING IN A RADIAL DIRECTION RELATIVE TO SAID STEM, WHEREBY GASES PASSING AND VALVE WILL BE ENTRAINED BY SAID RIBS AND POSITIVELY IMPELLED AT AN AUGMENTED SPEED, WHEREBY THE DENSITY OF GASES IN SAID COMBUSTION CHAMBER MAY BE INCREASED PRIOR TO COMPRESSION AND DECREASED SUBSEQUENT TO EXHAUSTION.