Oliff PLC
Exhaust gas purification catalyst
An exhaust gas purification catalyst having an excellent exhaust partition ability while reducing the increase in pressure loss. Exhaust gas purification catalyst includes a substrate having a wall-flow structure with partition wall, upstream coating section formed in portions of partition wall facing entrance cell, from exhaust inlet-side end in the extending direction of partition wall, and downstream coating section formed in portions of partition wall facing exit cell, from exhaust outlet-side end in the extending direction, having a length shorter than the entire length Lw of the partition wall. In downstream coating section, a catalytic metal is concentrated in the surface layer in contact with exit cell.
TOYOTA JIDOSHA KABUSHIKI KAISHA CATALER CORPORATION
B F B B F F B F B B B F F
B01D F01N B01J B01J F01N F01N B01D F01N B01J B01J B01D F01N F01N
additional inventional additional inventional additional inventional additional inventional inventional inventional inventional additional additional
Yuta Akemi Tsuyoshi Daisuke Ryota Shingo Naoto Masahiko
Morishita Sato Ito Ochiai Onoe Sakagami Miyoshi Takeuchi