Anti-pollution exhaust burner and muffler for internal combustion engines

Claim 1

A device according to claim 1, wherein said means defining a combustion zone comprises an elongated combustion tube, said multiple flame treatment means comprising a flame generator having a nozzle discharging into the exhaust gases flowing through the combustion tube, and a flame runner tube mounted within said combustion tube and having a receiving mouth spaced downstream relative to said nozzle to receive flame from the nozzle, and flame discharge ports in said flame runner tube for directing flame from the flame runner tube into the exhaust gases in the combustion tube downstream from the flame nozzle.

Claim 4

A device for eliminating incompletely burned combustible material in the exhaust gases from an internal combustion engine, comprising: means for producing intense comsuming heat in a combustion zone; means for delivering the engine exhaust gases into preheating relation to said combustion zone; means for directing the preheated exhaust gases into the combustion zone for subjecting the gases to the consuming heat therein for complete combustion of the combustible materials in the gases; means providing an expansion zone chamber for the completely burned exhaust gases and having a discharge to atmosphere and including heat transfer cooling means in said expansion chamber; said combustion zone including a combustion tube extending into said expansion zone chamber; said tube having a perforated area for escape of burned out exhaust gases from the combustion tube; and an exhaust reversal cone spaced in coaxial relation about said perforated section of the combustion tube and providing a tortuous path with said expansion chamber means.

Claim 8

A device for treating exhaust from an internal combustion engine, comprising: means defining a muffle chamber and distributor receptive of the exhaust; an elongated tubular housing; a plurality of passages effecting communication between said means and an area intermediate the length of said housing; a tube extending longitudinally in spaced relation within said housing; a combustion flame system within said tube and means for generating flame in the system; a barrier within the housing between said tube and the housing compelling exhaust flow from said passages to travel toward one end of said tube; said end of the tube being receptive of the exhaust to travel through the tube toward its opposite end portion and thereby subjected to the flame of said system; dispersion means located at several longitudinally spaced intervals along the interior of the tube past which the exhaust must travel; means carried by the housing at the opposite side of said barrier from said passages providing an expansion chamber and escape to atmosphere for exhaust leaving said opposite end portion of the tube; said dispersion means comprising a series of axially spaced perforated spreader screen disks having their edges in sliding fit within said tube; and elongated stem means connecting the screen disks and enabling unitary insertion and removal of the screen disks relative to the tube.

Claim 11

A device for eliminating incompletely burned combustible material in the exhaust gases from an internal combustion engine, comprising: an elongated combustion tube of substantial diameter; a housing tube enclosing said combustion tube in spaced relation thereto; a closure means across one end of said housing tube in spaced relation to one end of said combustion tube; means for delivering engine exhaust gases into preheating relation to said combustion tube within the space between the tubes and means located adjacent said one end of said combustion tube directing the preheated exhaust gases into said combustion tube; a fuel delivery tube of smaller diameter than said combustion chamber tube extending through said closure means into said one end of said combustion tube and delivering into a combustion chamber located within said combustion tube at a position downstream from said preheated exhaust gas directing means and having a diameter larger than said delivery tube but of smaller diameter than said combustion tube and about which the preheated exhaust travel in further preheating relation; means in said combustion chamber for igniting the fuel; said combustion chamber having a discharge orifice directed downstream within the combustion tube; a plurality of longitudinally spaced dispersion disks located downstream from said orifice within said combustion tube and through which the burning combustion gases must pass toward the opposite end of said combustion tube; means closing said opposite end of the combustion tube and the combustion tube having laterally opening perforations therefrom upstream of said closing means; and means defining an expansion and exhaust chamber about said combustion tube to receive the exhaust gases from said perforations.