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Title: System for particulate matter sensor signal processing

Patent ·
OSTI ID:1531639
; ; ;

A system having a particulate matter sensor in an exhaust stream of an engine upstream from a particulate filter and another such sensor downstream from the filter. There may also be an exhaust gas recirculation (EGR) control on the engine. The amount of particulate matter in or loading of the filter may be determined by the upstream filter. The working condition of the filter may be determined by the downstream sensor. The filter may have a heater and control for providing operational and particulate matter burn-off temperatures to the filter. A processor may be connected to the sensors, the EGR control and the filter heater control.

Research Organization:
Honeywell International Inc., Morristown, NJ (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC04-02AL67636
Assignee:
Honeywell International Inc. (Morristown, NJ)
Patent Number(s):
7,765,792
Application Number:
11/163,546
OSTI ID:
1531639
Resource Relation:
Patent File Date: 2005-10-21
Country of Publication:
United States
Language:
English

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Cited By (23)

Method for diagnosing operation of a particulate matter sensor patent July 2013
Coordinated engine and emissions control system patent June 2017
Condition-based powertrain control system patent July 2018
Using model predictive control to optimize variable trajectories and system control patent August 2013
System for particulate matter sensor signal processing patent April 2012
Method for diagnosing operation of a particulate matter sensor patent August 2015
Sensor controller patent April 2016
Exhaust system and method for mitigating degradation of components of a turbocharged engine with exhaust gas recirculation patent August 2015
Diesel particulate filter control patent November 2013
Engine controller patent January 2013
Vehicle security module system patent November 2018
Particulate matter sensor patent November 2017
Diesel particulate filter control patent April 2012
Method and system for updating tuning parameters of a controller patent December 2013
Emission control with a particulate matter sensor patent November 2015
Method and system for updating tuning parameters of a controller patent October 2015
Configurable automotive controller patent September 2012
System for an engine having a particulate matter sensor patent March 2012
System for an engine having a particulate matter sensor patent April 2014
Pedal position and/or pedal change rate for use in control of an engine patent August 2013
Engine and aftertreatment optimization system patent May 2017
Engine control for diesel particulate filter efficiency assessment patent February 2017
Electrode structure for particulate matter sensor patent June 2011

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