F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/4
F01N 3/10 (2006.01) B01D 53/94 (2006.01) F01N 3/28 (2006.01) F02B 1/04 (2006.01)
Patent
CA 1083485
ABSTRACT OF THE DISCLOSURE The present invention relates to a device comprising a standard automobile exhaust pipe in the form of a metal tube which is so equipped to produce a specific back pressure namely; 0.3 to 2500 mm water column, as measured at an air velocity of 12 meters per second at room temperature. The tube is completely or partial- ly lined with a catalyst composition, for example a composition which will convert hydrocarbons and the carbon monoxide content of exhaust gases into water and carbondioxide, and further, convert nitrogen oxides to nitrogen. The significant advantage of the present invention is that it permits the dimensions of standard automobile exhaust pipes to be retained and does not require the expensive construction of a special canister for containing a monolithic or pelletized catalyst which has become a common fea- ture in automobile muffler systems in recent years.
293859
Bozon Alfred
Hensel Jorg
Koberstein Edgar
Volker Herbert
Deutsche Gold- Und Silber Scheideanstalt Vormals Roessler
Marks & Clerk
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