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US 2011/0030350 A1Published application
Exhaust gas purifying apparatus
AssigneeKabushiki Kaisha Toyota Jidoshokki
InventorYoshifumi KATO
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Abstract
An exhaust gas purification apparatus includes an oxidation catalyst provided in a passage through which exhaust gas flows, a urea decomposition accelerator, a selective catalytic reduction catalyst provided downstream of the urea decomposition accelerator and a urea water supplying device for supplying urea water to the urea decomposition accelerator. The urea decomposition accelerator is provided downstream end surface of the oxidation catalyst and has at least one of hydrophilic function and hydrolytic catalytic function.
Claims11
An exhaust gas purification apparatus comprising:
- an oxidation catalyst provided in a passage through which exhaust gas flows;
- a urea decomposition accelerator, wherein the urea decomposition accelerator is provided downstream end surface of the oxidation catalyst and has at least one of a hydrophilic function and a hydrolytic catalytic function;
- a selective catalytic reduction catalyst provided downstream of the urea decomposition accelerator;
- and
- a urea water supplying device for supplying urea water to the urea decomposition accelerator.
2 more elements
Dependencies are inferred from the claim text.