Feed of an air-fuel mixture to an internal combustion engine

Claim 1

APPARATUS FOR MIXING AIR AND FUEL IN A MIXTURE FLOWING FORM A CARBURETOR TO AN INTERNAL COMBUSTION ENGINE, SAID APPARATUS COMPRISING MEANS DEFINING A CHAMBER HAVING AN INLET ADAPTED FOR RECEIVING AN AIR-FUEL MIXTURE FROM A CARBURETOR AND AN OUTLET FOR DELIVERY OF THE MIXTURE TO AN INTERNAL COMBUSTION ENGINE, THE AIR-FUEL MIXTURE BEING DRAWN THROUGH THE CHAMBER FROM THE INLET TO THE OUTLET, BLADE MEANS SUPPORTED IN SAID CHAMBER AND ROTATED BY THE PASSAGE OF THE AIR-FUEL MIXTURE THROUGH THE CHAMBER O MIX THE AIR AND FUEL IN THE MIXTURE IN SAID CHAMBER BEFORE DELIVERY TO THE OUTLET, SAID MEANS DEFINING THE CHAMBER COMPRISING A BODY INCLUDING OPPOSITE END PORTIONS, SAID INLET AND OUTLET BEING DISPOSED IN RESPECTIVE END PORTIONS OF THE BODY IN AXIALLY ALIGNED RELATION, SAID BODY HAVING BORES IN SAID END PORTIONS OPENING INTO SAID CHAMBER, BRIDGE MEMBERS ON THE FIRST SAID MEANS AND LOCATED IN SAID BORES DIVIDING THE SAME INTO SEPARATE PASSAGES, THE PASSAGES IN ONE PORTION CONSTITUTING THE INLET WHILE THE PASSAGES IN THE OTHER PORTION CONSTITUTE THE OUTLET, SAID BLADE MEANS COMPRISES AN IMPELLER MEMBER MOUNTED IN SAID BODY AND INCLUDING A PLURALITY OF BLADES EXTENDING RADIALLY IN THE CHAMBER, THE PASSAGES IN EACH OF SAID END PORTIONS BEING OF CRESCENT SHAPE, AN AXLE SUPPORTING SAID IMPELLER MEMBER, BEARING MEANS MOUNTED IN EACH BRIDGE MEMBER AND SUPPORTING RESPECTIVE ENDS OF THE AXLE FOR ROTATION, SAID BODY HAVING A CHANNEL IN ONE OF SAID END PORTIONS FOR CONVEYING LUBRICANT TO THE BEARING MEANS THEREIN, THE AXLE BEING HOLLOW TO ENABLE PASSAGE OF THE LUBRICANT TO THE OTHER OF THE END PORTIONS AND THE BEARING MEANS THEREIN, AND MEANS SUPPLYING A LUBRICANT TO SAID CHANNEL.