F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 3/10 (2006.01) B01D 53/94 (2006.01) F01N 3/08 (2006.01) F01N 3/18 (2006.01) F02D 41/14 (2006.01) F01N 13/02 (2010.01)
Patent
CA 2291900
An emission control apparatus for an internal combustion engine has a bypass passage bypassing a portion of a main exhaust passage located upstream of an exhaust gas-purifying catalyst device, an adsorbent provided in the bypass passage, a passage switching device for switching between flow of exhaust gas to the bypass passage and flow of exhaust gas to the main exhaust passage, and a bypass flow control device for adjusting a flow that occurs through the bypass passage when the unburned gas component is desorbed (released) from the adsorbent so that the flow through the bypass passage becomes equal to or less than a predetermined flow and assumes a proportion that is equal to or less than a predetermined proportion relative to the flow through the main exhaust passage.
Sakurai Kazuhiro
Watanabe Takashi
Borden Ladner Gervais Llp
Toyota Jidosha Kabushiki Kaisha
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