Fluid cooled housing for internal combustion engines

Claim 1

A FLUID COOLED HOUSING FOR AN ENGINE OF THE ROTARY COMBUSTION TYPE THAT INCLUDES A MAIN PERIPHERAL SHELL WITHIN WHICH A ROTARY PISTON IS OPERABLE FOR COMPLETING IN ONE REVOLUTION A FOUR-STROKE CYCLE PROCESS, SAID SHELL DEFINING A TWO-LOBE CAVITY HAVING A MAJOR AXIS AND A MINOR AXIS, SAID CAVITY AT ONE SIDE OF THE MAJOR AXIS HAVING A FUEL-AIR INTAKE OPENING AND A GAS EXHAUST OPENING, THE IGNITION TAKING PLACE IN THE CAVITY AT THE OPPOSITE SIDE OF THE MAJOR AXIS, WHEREBY A "HOT REGION" EXTENDS IN THE DIRECTION OF PISTON ROTATION PERIPHERALLY ALONG THE SHELL GENERALLY BETWEEN THE AREAS OF IGNITION AND EXHAUST, AND A COMPARTIVELY "COLD REGION" EXTENDS BETWEEN THE AREAS OF INTAKE AND IGNITION, THE AFORESAID HOUSING THROUGHOUT THE PERIPHERAL EXTENT OF THE "HOT REGION" HAVING PARALLEL COOLING PASSAGES EXTENDING PERIPHERALLY OVER THE SHELL, SAID PASSAGES BEING DEFINED RESPECTIVELY BY SAID SHELL, SPACED FLANGE-LIKE RIBS EXTENDING RADIALLY FROM THE SHELL AND POSITIONED IN RESPECTIVE PLANES PARALLEL TO THE PLANE OF SAID MAJOR AND MINOR AXES, AND COVER STRUCTURE FOR ENCLOSING THE SPACE BETWEEN SAID RIBS, SAID COVER STRUCTURE IN PART BEING INTEGRAL WITH SAID RIBS AND SHELL THROUGHOUT A CENTRAL BEING INTEGRAL WITH SAID RIBS AND SHELL THROUGHTHE MAJOR AXIS, THE COVER STRUCTURE AT THE ADJOINING SIDES OF SAID CENTRAL PORTION ALSO COMPRISING A FIRST PLATE AT ONE END OF THE MINOR AXIS HAVING AN OPENING A FOR INFLOW OF COOLANT TO SAID PASSAGES, AND A SECOND PLATE AT THE OPPOSITE END OF SAID MINOR AXIS HAVING RESPECTIVE OPENINGS IN REGISTRY WITH SAID INTAKE AND EXHAUST OPENINGS AND ALSO HAVING AN OPENING FOR OUTFLOW OF SAID COOLANT, SAID FIRST AND SECOND PLATES BEING SECURED TO THE RESPECTIVE SIDES OF THE SHELL AND ABUTTING SAID RIBS FOR DEFINING COOLING PASSAGES IN COMMUNICATING ALIGNMENT RESPECTIVELY, WITH THE PASSAGES IN SAID CENTRAL PORTION, AND FOR SEALING THE EDGES OF SAID OPENINGS.