F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 3/20 (2006.01) B01D 53/32 (2006.01) B01D 53/94 (2006.01) F01N 3/01 (2006.01) F01N 3/08 (2006.01) F01N 3/18 (2006.01) F01N 3/26 (2006.01) F01N 9/00 (2006.01)
Patent
CA 2159504
An emission control device and method are provided for treating exhaust gases to reduce gaseous pollutants contained therein. The device includes a treatment chamber (12) through which the exhaust gases pass. First and second metal screens (18, 20) are disposed within the chamber a predetermined distance from each other. A section of chemical substrate (19) is disposed between the screens. Voltage is supplied to adjacent the first screen (18) with, for example, an electrode device (24). A timing circuit (38) is provided for pulsing the voltage at a predetermined pulse rate. A temperature sensitive device (42) may be interfaced with the treatment chamber (12) and timing circuit (38) so that the pulsed voltage is only supplied to the screen (18) within a predetermined temperature range.
Masters Ben F.
Self James M.
Gowling Lafleur Henderson Llp
Unlimited Technologies Inc.
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