Patent · US Revoked

Engine aftertreatment system

US11852066B1 · kind B1 · utility

0Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 2022
Grant dateDec 26, 2023
Priority date
Expiry dateJul 22, 2042

Classification

  • Technology area (CPC —)General

Abstract

An engine exhaust aftertreatment system is disclosed. The system may comprise: an internal combustion engine having an intake passage and an exhaust passage; a turbocharger fluidly connected to the internal combustion engine, the turbocharger including a compressor and a turbine, the compressor being in fluid communication with the intake passage, and the turbine being in fluid communication with the exhaust passage; a reductant injector situated downstream of the turbocharger, wherein the reductant injector is closely coupled to the turbocharger such that a reductant is injected into an exhaust flow of the turbocharger; a first container downstream of the reductant injector, the first container including a multi-functional catalyst (MFC); and a second container downstream of the first container, the second container including a selective catalytic reduction (SCR) component and an Ammonia catalyst (AMOx) component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.