Air cooling for rotary engine

Claim 1

AN AIR COOLING CONSTRUCTION FOR A ROTARY INTERNAL COMBUSTION ENGINE HAVING AN OUTER BODY INCLUDING A PAIR OF END WALLS AND A PERIPHERAL WALL INTERCONNECTED WITH SAID END WALLS TO FORM A CAVITY; INTAKE MEANS IN A FIRST REGION OF SAID OUTER BODY FOR SUPPLYING AIR TO THE ROTARY INTERNAL COMBUSTION ENGINE FOR SUPPORTING COMBUSTION THEREIN; A COMBUSTION ZONE LOCATED ADJACENT A SECOND REGION OF SAID OUTER BODY WHEREIN CONSTRUCTION IS INITIATED; EXHAUST MEANS IN A THIRD REGION OF SAID OUTER BODY FOR DISCHARGING THE BURNT GASES FROM THE ROTARY COMBUSTION ENGINE WHEREBY THE HEAT INPUT TO SAID SECOND AND THIRD REGIONS OF SAID OUTER BODY IS SUBSTANTIALLY HIGHER THAN THE HEAT INPUT TO SAID FIRST REGION OF SAID OUTER BODY; A FIRST PLURALITY OF RADIALLY-PROJECTING, SUBSTANTIALLY CIRCUMFERENTIALLY-SPACED COOLING FINS DISPOSED OVER THE OUTER SURFACE OF SAID PERIPHERAL WALL AND EXTENDING AXIALLY FROM ONE END OF SAID PERIPHERAL WALL TO THE OTHER END THEREOF; A SECOND PLURALITY OF AXIALLY-PROJECTING SUBSTANTIALLY RADIALLY-SPACED COOLING FINS DISPOSED ON AND EXTENDING CIRCUMFERENTIALLY AROUND A PORTION OF THE AXIALLY OUTER FACE OF EACH OF SAID END WALLS; AN OUTER HOUSING SUBSTANTIALLY SURROUNDING SAID OUTER BODY AND COVERING SAID FIRST PLURALITY OF FINS TO DEFINE A PLURALITY OF CLOSED AXIALLY-EXTENDING COOLING AIR PASSAGES AROUND SAID OUTER BODY, SAID OUTER HOUSING COOPERATING WITH SAID SECOND PLURALITY OF FINS TO DEFINE A PLURALITY OF COOLING AIR PASSAGES EXTENDING FROM A LOCATION ADJACENT TO SAID FIRST REGION THROUGH SAID SECOND REGION TO A LOCATION ADJACENT TO SAID THIRD REGION OF SAID OUTER BODY, AND SAID OUTER HOUSING HAVING A FIRST OPENING AT ONE AXIAL END, AND A SECOND OPENING AT THE OPPOSITE AXIAL END OF SAID HOUSING FOR DIRECTING AN AXIAL FLOW OF COOLING AIR BETWEEN SAID FIRST AND SECOND OPENINGS; GUIDE MEANS POSITIONED IN SAID FIRST REGION AND PROXIMATE SAID FIRST HOUSING OPENING TO DIRECT A FIRST PORTION OF SAID AIR FLOW INTO THE COOLING AIR PASSAGES ON THE END WALL ADJACENT SAID FIRST OPENING, THE REMAINDER OF SAID AIR FLOW PASSING THROUGH AID AXIALLY-EXTENDING COOLING AIR PASSAGES ACROSS THE OUTER SURFACE OF SAID OUTER BODY, AND FURTHER GUIDE MEANS POSITIONED IN THE FIRST REGION AND PROXIMATE THE SECOND HOUSING OPENING TO DIRECT A PORTION OF THE REMAINDER OF SAID COOLING AIR FLOW INTO THE COOLING AIR PASSAGES ON THE END WALL ADJACENT SAID SECOND OPENING, THE BALANCE OF THE REMAINDER OF SAID COOLING AIR FLOW EXHAUSTING THROUGH SAID SECOND HOUSING OPENING.