Rotary piston diesel engine

Claim 1

IN A ROTARY PISTON DIESEL ENGINE: A HOUSING HAVING AN INNER CONTOUR SURFACE AND HAVING A ROTOR ROTATABLY ARRANGED WITHIN SAID INNER CONTOUR SURFACE OF SAID HOUSING AND IN ONE POSITION RELATIVE TO SAID HOUSING CONFINING WITH THE LATTER A MINIMUM SPACE FOR COMPRESSION TO THEREBY EFFECT A MAXIMUM COMPRESSION OF AN AIR FUEL MIXTURE IN SAID SPACE, SAID ROTOR HAVING A PERIPHERAL RECESS FORMING WITH PORTIONS OF THE INNER CONTOUR SURFACE OF SAID HOUSING A COMBUSTION CHAMBER, AND CONDUIT MEANS LEADING FROM SAID ANTECHAMBER TO THE INTERIOR OF SAID HOUSING THROUGH THE INNER CONTOUR SURFACE THEREOF, THE MOUTH OF SAID CONDUIT MEANS BEING LOCATED OPPOSITE A PORTION OF SAID PERIPHERAL RECESS WHEN SAID ROTOR OCCUPIES SAID ONE POSITION, THE MAXIMUM ANGLE CONFINED BY THE AXIS OF SAID CONDUIT MEANS AND THE TANGENT TO SAID INNER CONTOUR SURFACE WITHIN THE RANGE OF SAID MOUTH BEING 40., SAID PERIPHERAL RECESS HAVING A BOTTOM PORTION WHICH IS SO INCLINED THAT WHEN SAID PISTON IS IN SAID ONE POSITION THE EXTENSION OF SAID BOTTOM PORTION INTERSECTS A TANGENT TO THE HOUSING INNER CONTOUR SURFACE WITHIN THE RANGE OF THE MOUTH OF SAID CONCUIT MEANS AT A POINT LOCATED BEHIND SAID MOUTH WHEN LOOKING IN THE DIRECTION OF ROTATION OF SAID ROTOR, WHEREBY IN SAID ONE POSITION OF SAID PISTON AT LEAST THE MAJOR PORTION OF THE LENGTH OF SAID BOTTOM PORTION IS IMPACTED UPON BY AN AIR FUEL MIXTURE JET LEAVING SAID ANTECHAMBER.