F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/11, 172/7
F01N 3/20 (2006.01) F01N 3/28 (2006.01) F01N 3/30 (2006.01) F01N 3/34 (2006.01) F01N 13/02 (2010.01) F01N 13/18 (2010.01)
Patent
CA 1140475
C-3082 D-3,630 Abstract of the Disclosure In a catalytic converter, a short closed- end air tube which extends across the path of the exhaust gases ahead of an oxidizing catalyst is provided with three linear circumferentially- spaced rows of holes with the holes in one of the rows facing upstream into the exhaust gases while the holes in the other two rows face in opposite directions transverse to the exhaust gas flow. The holes in each of the rows are equally spaced along the length of the tube and decrease in size toward the closed end so as to deliver substantially equal amounts of air. In addition, the holes in the three rows are sized in relation to each other so that the two rows of transversely directed holes deliver substantially equal and cooperatively greater amounts of air than the row of holes facing into the exhaust gases.
340808
General Motors Corporation
Gowling Lafleur Henderson Llp
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