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DE [...] GASEOUS D^{1 [...]} AUTOMOBILES^p 1

PURPOSE: The apparatus, placed in " bont of the exhaust system has to absorption of poisonous gas released because incomplete combustion of the fuel (Polycyclic [...], [...] and homologues). the thus cleaned gas of these hydrocarbons and lose their toxic air pollutant.

PE PRI NCI AND DESCRIPTION _AOE280A2AO> I ' [...] is in the form of a cylinder is * placing at the end of the exhaust manifold. It contains several means inside enclosing the absorbent. The passageway is formed by granules of activated carbon. >I a first cartridge is made of silica gel for absorbing moisture condensed at starts when the engine is cold. When gases heat up, this moisture is [...]. the apparatus whose volume varies with the displacement of the vehicle is calculated to provide a degree of autonomy, twenty to forty hours.

N[...] REGE: At the end of the cycle efficiency, the absorbent cartridge is exchanged for a fresh cartridge, the old cartridge is regenerated by heating in a hot air stream; air comprising the eluted gas having a heat value appreciable is then burned in a boiler whose combustion is carried out so as to obtain the maximum calories and the minimum of toxicity of combustion gas.

DESCR [...] GECA [...] DE the [...] _AOE280A2AO> " [...] See Figure I, and sketch figure N* 2, front view*

the scrubber includes a body having a cover attached by four screws H. The overcap the opening of the cleaning section to the renewal of absorbent cartridges, the cover includes the outlet port, the body at the other end comprises a fitting for attachment to the exhaust manifold. It is attached thereto by means of a clip clip. Inside the body there slide the cartridges, the first comprising the silica gel, the following the activated carbon.

DES [...] CARTRIDGES; the cartridge is made of a cylindrical can constructed of two crimped portions. It comprises "honeycomb" hushed to maintain the carbon in suspension to avoid head losses while avoiding the particulates to be removed by the gas. Each blister constitutes thus a micro-center thereby cleaner gas purification without counteract the circulation. [...] See Figures 3 and 4 H ° ° .both sides are pierced with holes with a diameter smaller than that of the granules absorb [...].

MO [...] -E L^{1 DE APPARATUS}: The apparatus is positioned to the end of the exhaust system. [...] figure [...] 5. The flange mounting permits adaptation to all vehicles circulating simply and rapidly.

LE DIMENSIONS The APPARATUS: The volume of the apparatus is a function of the displacement of the vehicle, but is chosen in such a manner that a range of thirty to forty hours of walk.