Vortical flow exhaust gas reactor

Details Vortical flow exhaust gas reactor Vortical flow exhaust gas reactor

1975-05-21

1976-11-16

Croyle, Carlton R.

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60307, 23277C, F01N 310

Patent

active

039915670

ABSTRACT:
An exhaust gas processing device for use with internal combustion engines is disclosed which is generally of the afterburner type, including a cylindrical reactor in which unburned carbon monoxide (CO) and hydrocarbons are consumed and an exhaust pipe connected near one end of the cylindrical reactor in such manner as to direct the flow of gases tangentially into the reactor to produce a vortical flow pattern. Additional air for combustion is supplied by means of an engine-driven air pump, and this air flow is also directed into the reactor chamber in a manner to produce a vortical flow pattern which is combined with the vortical flow of exhaust gases. An ignition device such as a spark plug is supplied at the upstream end of the reactor chamber to assure ignition of the exhaust gas mixture. Flame propagation is maintained through the use of annular internal baffles or flame holders exposed to the ignited gases and which become very hot and operate somewhat similarly to glow plugs. The vortical flow is directed through a first cylindrical chamber for essentially the length of the reactor, then through a tangential passage into a second cylindrical chamber of similar length which directs the flow in the opposite direction. Gas flow emanating from the second chamber enters a third chamber which forms a jacket around both of the first and second cylindrical chambers, abutting against an end wall and again being redirected parallel to the flow through the first such chamber, but on the outside of the cylindrical members defining the first and second chambers in such manner as to retain heat in such chambers to assure thorough burning of combustibles in the gas before it is exhausted to the atmosphere.

REFERENCES:
patent: 3073684 (1963-01-01), Williams
patent: 3577728 (1971-05-01), Von Brimer
patent: 3741730 (1973-06-01), Alcott
patent: 3805523 (1974-04-01), Tanasawa

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