Patent · US Active

Systems and methods for controlling exhaust flow through an aftertreatment device

US9238468B2 · kind B2 · utility

1Cited by

12References

24Claims

0Family size

Assignee

General Electric Company · US

Inventors

Lawrence Heverley, III · Erie, US
Shashi Kiran · Erie, US
Stephen Geyer · Greencastle, US

Key dates

Filing date	Sep 20, 2011
Grant date	Jan 19, 2016
Priority date	—
Expiry date	Jan 20, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

Various methods and systems are provided for a system for an engine. In one example, the system includes an exhaust passage through which exhaust gas is configured to flow from the engine. The system further includes an aftertreatment system disposed in the exhaust passage, the aftertreatment system including an aftertreatment device and a bypass with a bypass control element, the bypass control element adjustable to reduce exhaust gas flow through the aftertreatment device during tunneling operation.

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