WO2005045216A3 - Engine control system for reduced exhaust emissions - Google Patents

Engine control system for reduced exhaust emissions Download PDF

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Publication number
WO2005045216A3
WO2005045216A3 PCT/US2004/035904 US2004035904W WO2005045216A3 WO 2005045216 A3 WO2005045216 A3 WO 2005045216A3 US 2004035904 W US2004035904 W US 2004035904W WO 2005045216 A3 WO2005045216 A3 WO 2005045216A3
Authority
WO
WIPO (PCT)
Prior art keywords
engine
control system
engine control
exhaust emissions
reduced exhaust
Prior art date
Application number
PCT/US2004/035904
Other languages
French (fr)
Other versions
WO2005045216A2 (en
Inventor
John H Westerbeke
Erik S Larson
Paul Wareham
Jason Coombs
Jeremy Anderson
Jeremy Beaudoin
Original Assignee
Westerbeke Corp
John H Westerbeke
Erik S Larson
Paul Wareham
Jason Coombs
Jeremy Anderson
Jeremy Beaudoin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34572813&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005045216(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Westerbeke Corp, John H Westerbeke, Erik S Larson, Paul Wareham, Jason Coombs, Jeremy Anderson, Jeremy Beaudoin filed Critical Westerbeke Corp
Priority to JP2006538278A priority Critical patent/JP2007510094A/en
Priority to AU2004288200A priority patent/AU2004288200A1/en
Priority to CA2543780A priority patent/CA2543780C/en
Priority to EP04796701A priority patent/EP1697620A4/en
Publication of WO2005045216A2 publication Critical patent/WO2005045216A2/en
Publication of WO2005045216A3 publication Critical patent/WO2005045216A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/007—Electric control of rotation speed controlling fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/228—Warning displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/08—Introducing corrections for particular operating conditions for idling
    • F02D41/083—Introducing corrections for particular operating conditions for idling taking into account engine load variation, e.g. air-conditionning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1452—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a COx content or concentration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

A method of controlling emissions from an internal combustion engine (12) including governing engine speed with respect to a constant speed, maintaining an air/fuel ratio of the engine, flowing exhaust from the engine through an exhaust system (16, 18, 40, 65, 80) containing a catalyst (32), monitoring a first variable with a first sensor (19) located upstream of the catalyst (32), and controlling the air/fuel ratio of the engine (12) as a function of the first variable. In one application, the engine (12) is configured for marine applications, including electric power generation and propulsion.
PCT/US2004/035904 2003-10-27 2004-10-27 Engine control system for reduced exhaust emissions WO2005045216A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006538278A JP2007510094A (en) 2003-10-27 2004-10-27 Engine control system for exhaust emission reduction
AU2004288200A AU2004288200A1 (en) 2003-10-27 2004-10-27 Engine control system for reduced exhaust emissions
CA2543780A CA2543780C (en) 2003-10-27 2004-10-27 Engine control system for reduced exhaust emissions
EP04796701A EP1697620A4 (en) 2003-10-27 2004-10-27 Engine control system for reduced exhaust emissions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51516603P 2003-10-27 2003-10-27
US60/515,166 2003-10-27

Publications (2)

Publication Number Publication Date
WO2005045216A2 WO2005045216A2 (en) 2005-05-19
WO2005045216A3 true WO2005045216A3 (en) 2005-10-13

Family

ID=34572813

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/035904 WO2005045216A2 (en) 2003-10-27 2004-10-27 Engine control system for reduced exhaust emissions

Country Status (6)

Country Link
US (4) US7832196B2 (en)
EP (1) EP1697620A4 (en)
JP (1) JP2007510094A (en)
AU (1) AU2004288200A1 (en)
CA (1) CA2543780C (en)
WO (1) WO2005045216A2 (en)

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US7628663B2 (en) * 2007-08-14 2009-12-08 Pleasurecraft Marine Engine Co. Marine engine exhaust system with cooling arrangement
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US8403717B1 (en) * 2010-08-24 2013-03-26 Brunswick Corporation Exhaust system for a marine vessel
US9328641B2 (en) 2012-09-21 2016-05-03 Kohler Co. Power management system that includes a wet exhaust system
US20140326528A1 (en) * 2013-05-01 2014-11-06 Cnh Industrial America Llc Exhaust pipe water dam for a work vehicle
US9387438B2 (en) 2014-02-14 2016-07-12 Tenneco Automotive Operating Company Inc. Modular system for reduction of sulphur oxides in exhaust
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US10190520B1 (en) 2017-10-12 2019-01-29 Harley-Davidson Motor Company Group, LLC Signal conditioning module for a wide-band oxygen sensor
US11306652B1 (en) 2019-01-22 2022-04-19 Westerbeke Corporation Small diesel engine-generator set

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Also Published As

Publication number Publication date
US20050120705A1 (en) 2005-06-09
JP2007510094A (en) 2007-04-19
US20070113543A1 (en) 2007-05-24
US7832196B2 (en) 2010-11-16
EP1697620A4 (en) 2008-11-12
US20070130914A1 (en) 2007-06-14
WO2005045216A2 (en) 2005-05-19
EP1697620A2 (en) 2006-09-06
AU2004288200A1 (en) 2005-05-19
US20160024986A1 (en) 2016-01-28
CA2543780A1 (en) 2005-05-19
CA2543780C (en) 2010-04-27
US7314044B2 (en) 2008-01-01
US9157355B2 (en) 2015-10-13

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