Catalytic exhaust purifier

Claim 1

CATALYTIC EXHUST CLEANER FORA VEHICLES POWERED BY INTERNAL COMBUSTION ENGINES FOR PURIFYING BY CATALYTIC OXIDATION EXHAUST GASES THEREFROM COMPRISING A HOUSING SUITED FOR ATTACHMENT TO SAID VEHICLE THROUGH WHICH SAID EXHAUST GASES FLOW, CATALYST CONFINING MEANS COMPRISING A PAIR OPPOSED FORAMINOUS SHEETS HORIZONTALLY MOUNTED IN SAID HOUSING AND CONTAINING THEREBETWEEN A LAYER OF SMALL CATALYST PELLETS HAVING SMOOTH AND ROUNDED SURFACES, SAID LAYER HAVING A THICKNESS WHICH IS SMALL RELATIVE TO THE LATAERAL AND LONGITUDINAL DIEMSIONS OF SAID LAYER SAID PELLETS HAVING A THICKNESS WHICH IS SMALL RELATHE ENTIRE VOLUME BETWEEN SAID FORAMINOUS SHEETS, SURFICIENT FREE SPACE EXISTING THEREBETWEEN TO PERMIT SAID CATALYST PELLETS TO CONTINUALLY CHANGE THEIR POSITION IN SAID LAYER AND RELATIVE TO ONE ANOTHER IN RESPONSE TO THE VIBRATION AND MOVEMENT TO WHICH SAID HOUSING IS SUBJECTED DURING OPERATION OF THE VEHI CLE, BAFFLES MOUNTED BETWEEN SAID FORAMINOUS SHEETS FOR DIVIDING SAID LAYER OF CATALYST PELLETS INTO A PLURALITY OF HORIZONTIALLY SPACED COMPARTMENTS THROUGH WHICH SAID EXHAUST GASES FLOW IN PARALLEL, SAID VERTICAL BAFFLES SERVING TO MAINTAIN SAID LAYER OF SUBSTANTIALLY UNIFORM THICKNESS BY PREVENTING EXCESSIVE MIGRATION OF SAID CATALYST PELLETS TO ONE PORTION OF SAID CONFIRNING MEANS UNDER THE INFLUENCE OF THE VIBRATION AND MOVEMENT OF THE VEHICLE.