Feng Liu, 49Westfield, IN
Feng Liu Phones & Addresses
Westfield, IN
Chicago, IL
Indianapolis, IN
Athens, OH
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Us Patents
Systems And Methods For Managing Aftertreatment Systems
US Patent:
2020003, Jan 30, 2020
Filed:
Jul 17, 2019
Appl. No.:
16/514753
Inventors:
- Columbus IN, US
Apurva A. Chunodkar - Greenwood IN, US
Arun Prakash Thunga Gopal - Columbus IN, US
Feng Liu - Columbus IN, US
Kenneth M. Follen - Greenwood IN, US
Michael Haas - Columbus IN, US
Pinak Jayant Tulpule - Columbus IN, US
Vivek A. Sujan - Columbus IN, US
Apurva A. Chunodkar - Greenwood IN, US
Arun Prakash Thunga Gopal - Columbus IN, US
Feng Liu - Columbus IN, US
Kenneth M. Follen - Greenwood IN, US
Michael Haas - Columbus IN, US
Pinak Jayant Tulpule - Columbus IN, US
Vivek A. Sujan - Columbus IN, US
International Classification:
B60W 20/10
F01N 3/20
F02D 41/02
B60W 10/06
B60W 10/08
B60W 10/30
B60W 30/18
B60W 50/00
F01N 3/20
F02D 41/02
B60W 10/06
B60W 10/08
B60W 10/30
B60W 30/18
B60W 50/00
Abstract:
A vehicle comprises an aftertreatment system configured to reduce constituents of an exhaust gas. The vehicle also includes a controller configured to determine a predicted load on the vehicle during a route, and adjust at least one of a temperature of the aftertreatment system or an amount of a reductant inserted into the aftertreatment system based on the predicted load.
Controls For Performance Optimization Of Internal Combustion Engine Systems
US Patent:
2015022, Aug 13, 2015
Filed:
Feb 7, 2014
Appl. No.:
14/175258
Inventors:
- Columbus IN, US
Feng Liu - Greenwood IN, US
Andrew W. Osburn - Nashville IN, US
Feng Liu - Greenwood IN, US
Andrew W. Osburn - Nashville IN, US
International Classification:
F02D 29/02
B60W 20/00
B60W 10/06
F02D 41/30
F02D 41/00
B60W 20/00
B60W 10/06
F02D 41/30
F02D 41/00
Abstract:
One illustrative embodiment is a method comprising operating an engine and an aftertreatment system by controlling a plurality of charge constituents provided the engine, iteratively perturbating one or more combustion inputs effective to vary operation of the engine, and determining fuel consumption and emissions information at the operating points effective to seek a weighted optimization of multiple parameters including fuel consumption and reductant consumption while also meeting a predetermined NOx emissions criterion. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the description and figures.
Method And Algorithm For Performing An Nh3 Sensor Rationality Diagnostic
US Patent:
2014037, Dec 25, 2014
Filed:
Sep 8, 2014
Appl. No.:
14/479643
Inventors:
- Columbus IN, US
Feng Liu - Greenwood IN, US
Mert Geveci - Delmar NY, US
Feng Liu - Greenwood IN, US
Mert Geveci - Delmar NY, US
International Classification:
F01N 11/00
F01N 3/20
F01N 3/20
US Classification:
60274, 60277
Abstract:
An example method includes interpreting an NHcomposition value at a position upstream of a selective reduction catalyst (SCR) element fluidly disposed in the exhaust conduit of an engine, interpreting a NOcomposition value at a position downstream of the SCR element, and determining an NHsensor rationality threshold in response to the upstream NHcomposition value. The method further includes determining an NHsensor health value as indicating a sensor failure in response to the downstream NOcomposition value exceeding the NHsensor rationality threshold.
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