Fluid flow jets, particularly for carburetters

Claim 1

IN A CARBURETTER FOR AN INTERNAL COMBUSTION ENGINE A FLUID FLOW JET INCLUDING A MIXING CHAMBER HAVING AT LEAST ONE DISCHARGE OUTLET, A MAIN JET EMULSION TUBE EXTENDING TRANSVERSELY ACROSS THE MIXING CHAMBER, A FLUID SUPPLY CONDUIT EXTENDING INTO THE MAIN JET EMULSION TUBE, A CLOSURE MEMBER EXTENDING INTO THE MAIN JET EMULSION TUBE, LINKAGE MEANS CONNECTIBLE TO SAID DLUIF SUPPLY CONDUIT AND CLOSURE MEMBER TO CAUSE MOVEMENT OF THE FLUID SUPPLY CONDUIT AND CLOSURE MEMBER TOGETHER AND APART, A FUEL SUPPLY INTO THE MIXING CHAMBER BEING THEREBY QUANTITATIVECONTROLLED, THE FLUID FLOW JET FURTHER INCLUDING A VARIABLE VENTURI THROTTLE COMPRISING TWO PLATES PIVOTALLY ATTACHED TO OPPOSED WALLS OF A RECTANGULAR SECTION PORTION OF THE MIXING CHAMBER AND BEING PROVIDED WITH CURVED FACING FACES WHICH DIRECT A FLOW OF FLUID THROUGH THE FLUID FLOW JET WITH A MINIMUM OF TURBULENCE.