Invention Grant
US09291079B2 Engine aftertreatment system with exhaust lambda control 有权
发动机后处理系统,带排气控制

Engine aftertreatment system with exhaust lambda control
Abstract:
An aftertreatment device for reducing nitrogen oxides (NOx), particulate matter (PM), hydrocarbon (HC), and carbon monoxide (CO) generated by a compression-ignition (CI) engine. In this device, lean exhaust air generated in the CI engine is converted to rich exhaust air, and energy used for the conversion is recycled using an energy recovery device. The result rich exhaust air then pass through an oxidation catalyst, where NOx is reduced with CO and HC.
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