Rotary engines

Claim 1

IN A ROTARY ENGINE, THE COMBUSTION: A STATOR HAVING A PERIPHERAL WALL DISPOSED ABOUT AN AXIS, THE INNER SURFACE OF SAID WALL BEING FORMED WITH N+1 CHAMBERS CONSISTING OF LOBES AT A GREATER DISTANCE FROM SAID AXIS THAN PORTIONS OF SAID WALL INTERMEDIATE SAID LOBES, AND SAID STATOR HAVING FIRST AND SECOND ENDS NORMAL TO SAID AXIS; A CAVITY ASSOCIATED WITH EACH OF SID N+1 LOBES, FOR FORMING A COMBUSTION CHAMBER, EACH OF SAID CAVITIES OPENING ONTO THE SAME ONE OF SAID FIRST AND SECOND ENDS AND TERMINATING WITHIN SAID OUTER WALL BETWEEN SAID FIRST AND SECOND ENDS, EACH OF SAID CAVITIES BEING AT LEAST PARTIALLY DEFINED BY AT LEAST ONE GENERATRIX REVOLVING ABOUT AN AXIS OBLIQUE TO SAID STATOR AXIS, AND FIRST AND SECOND WALL MEANS FOR SEALING OFF SAID FIRST AND SECOND ENDS, THEREBY FORMING AN ENCLOSED SPACE WITHIN SAID STATOR, A ROTOR, MOUNTING FOR ROTATION ABOUT ITS OWN AXIS AS SAID AXIS ROTATES ABOUT THE STATOR AXIS WITHIN SAID ROTATOR BETWEEN SAID FIRST AND SECOND ENDS, AND HAVING N LOBES, FOR COOPERATING WITH SAID N+1 CHAMBERS, WHEREBY, DURING ROTATION OF SAID ROTOR, SAID N LOBES AND SAID N+1 CHAMBERS DEFINE TOGETHER N+1 WORKING CHAMBERS OF VARIABLE VOLUME, AND EACH OF SAID CAVITIES IS SEQUENTIALLY SEALED OFF BY A HOLE OF SAID ROTOR; SAID ROTOR AND STATOR DEFINING MUTUALLY PARALLEL AXES.