Browse Publications Technical Papers 2007-32-0056
2007-10-30

Exhaust Gas Turn Flow Construction in Catalyst Unit for Improvement of Purification Rate by Metal Honeycomb Substrate 2007-32-0056

All over the world, stronger controls are being imposed on exhaust gas emissions from automobiles, and thus, more evolutionary catalyst unit technology is being demanded. Specifically, this trend creates the need for small, low-cost catalyst units. To meet this need we have developed a catalyst unit, mounted in the middle of the exhaust pipe, which has a pathway to turn motorcycle exhaust gas in the catalyst (referred to as a “turn flow catalyst unit”). The objective of this development was to miniaturize the catalyst unit and to decrease the amount of catalyst used in the unit.
This newly designed catalyst unit is about 30% lesser in volume than the straight-mounted catalyst units commonly used in motorcycles of the same displacement.

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