L. BREGHA. METHOD 0F DEODORIZING EXHAUST GASES PROM INTERNAL COMBUSTION ENGINES.
APPLICATION FILED JULY 6, 1909.
Patented June 27, 1911.
Erw/MW? Qi @f i? U TD l Parar ion.
LEOPOLD BREGI-IA, 0F VIENNA, AUSTRIA-HUNGARY, ASSIGNOR OF ONE-HALF T0 HEINRICH KAISER, OF VIENNA, AUSTRIA-HUNGARY.
METHOD OF DEODORIZING EXHAUST-GASES FROM INTERNAL-COMBUSTION ENGINES.
Specification of Letters Patent.`
Patented June 27, 1911.
Application filed July 6, i909. Serial No. 506,202.
To all whom it may concern.'
Beit known that I, LEOPOLD BREGHA, a
'citizen of Austria, and residing at Vienna,
odorizing the exhaust gases from the com-v bustion of liquid fuel, such as petroleum, in internal combustion engines and consists in bringing the exhaust gases, which are formed Vfrom the products of combustion and unburned vaporous or gaseous fuel in internal combustion engines, into contact before their exit into lthe open air Awith a mixture of calcium` chlorid and calcium oxid in a closed casing. v
The deodorizing action of the process is as follows: By the contact of the vapors obtained fromthe combustion gases with the calcium oxid (quick lime) vigorous evolution of heat takes place and a deodorizing effect is exerted on the acrolein (acrylic aldehyde) and the resulting product and the unburned petroleum are absorbed by the lime water or calcium hydroxid formed.
Damage to the metal forming the walls of this reaction chamber does not take place and the formation of chlorin peroxid does not occur. A
The carrying out of the process is best and easiest effected in an iron casing which in consequence of its necessarily small dimensions can be carried on those power vehicles driven by liquid` fuel (petroleum or the like) for which the process is mainlyl intended.
i One form of the apparatus shown by way of example provided with means for automatically removing lthe condensed water formed is shown in the accompanying draw-v ing in which- I A l Figure 1 is a longitudinal section and Fig. 2 a vertical cross section ofthe apparatus used for carrying out the invention.
` As shown, the apparatus consists of a closed casing .a having one or more inlet the effects described take place.
moval of the said reagents when the same are spent and for the removal of the deposit formed in the casing. In the casing a is arranged a pipe f leading from the motor for the gases to be deodorized, which pipe is secured in one wall of the casing, passes throughthe casing in suitable manner, said pipe preferably being formed of one or more vertical coils f1, and then opens into the interior of the casing a.
The long path given to the gases bythe coils f1 has for its objectnot only the removal of as much heat as possible but also has the advantage that by the partial formation of a vacuum andthe condensation of the vapors back pressure is not exerted on the explosion chamber.
The casing a is provided with one or more safety valves g which come into action when in consequence of a very fast running of the engine overloading of the apparatus might take place and these allow the periodical release of theideodorized gas into the open air.
For the removal of the water of condensation one or more overflows having covers i are provided which covers are provided with floats 7c which automatically raise the covers for allowing the liquid to ow off as soon as the water rises high enough in the casing a.
The apparatus shown which as already l'mentioned is intended for power vehicles,
in consequence of the small amount of space available in such vehicles and in order' not to change the positions of the parts'of the vehicle necessary for driving, etc., is constructed offlat chambers connected with one another by a transverse passage m; in stationary installations however', these chambers can be united to form one large casing.
The exhaust gases entering the pipe f at a flow in the first place through the coils of' the same and pass from o into the chamber space a having at the same time lost a part of their heat. In the chamber they come directly into contact with the mixture of calcium chlorid and calcium oxid whereby If water of condensation in large uantity collects in the casing a, which can on y take place after fairly long use of the apparatus, the float or floats k then o ens the valve z' of the overilow h and al ows the water to low off.
The periodically necessary emptying if the tact with a mixture of calcium oxid and calcium chlorid.
In testimony whereof I have signed my name to this specification in thepresenoe of two subscribing witnesses.
LEOPOLD BREGHA.
casing is effected by openings d on the bottom While the opening b allows a new charge of material as also the introduction of cleaning Water.
Vhat I claim is:
The hereindescribed method of deodorizing the exhaust gases of burned liquid fuel,v consisting in introducing the exhaust gases before their exit into the open air into an inclosed space and bringing them into con- Witnesses:
WILHELM BERGER, RoBERT W. HEIN'GARTNER.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
Washington, ID. C.
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