HK1151567A1 - 用於處理廢氣的高效催化轉換器 - Google Patents

用於處理廢氣的高效催化轉換器

Info

Publication number
HK1151567A1
HK1151567A1 HK11105456.3A HK11105456A HK1151567A1 HK 1151567 A1 HK1151567 A1 HK 1151567A1 HK 11105456 A HK11105456 A HK 11105456A HK 1151567 A1 HK1151567 A1 HK 1151567A1
Authority
HK
Hong Kong
Prior art keywords
exhaust gases
catalytic converters
treating exhaust
efficiency catalytic
efficiency
Prior art date
Application number
HK11105456.3A
Other languages
English (en)
Inventor
托德‧
‧漢森
大衛‧
‧恩傑格
Original Assignee
英什沃克斯公司
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
Application filed by 英什沃克斯公司 filed Critical 英什沃克斯公司
Publication of HK1151567A1 publication Critical patent/HK1151567A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • 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
    • F01N3/2889—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with heat exchangers in a single housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8643—Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides
    • B01D53/8646—Simultaneous elimination of the components
    • B01D53/8653—Simultaneous elimination of the components characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/004—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 specially adapted for marine propulsion, i.e. for receiving simultaneously engine exhaust gases and engine cooling water
    • 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
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/026—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
    • F01N2590/022—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications for jetskis
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/06—Temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
HK11105456.3A 2007-12-27 2011-05-31 用於處理廢氣的高效催化轉換器 HK1151567A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1713807P 2007-12-27 2007-12-27
PCT/US2008/088377 WO2009086486A1 (en) 2007-12-27 2008-12-26 High-efficiency catalytic converters for treating exhaust gases

Publications (1)

Publication Number Publication Date
HK1151567A1 true HK1151567A1 (zh) 2012-02-03

Family

ID=40824730

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11105456.3A HK1151567A1 (zh) 2007-12-27 2011-05-31 用於處理廢氣的高效催化轉換器

Country Status (6)

Country Link
US (6) US7807120B2 (zh)
EP (1) EP2235337B8 (zh)
CN (1) CN102027208B (zh)
CA (1) CA2711004C (zh)
HK (1) HK1151567A1 (zh)
WO (1) WO2009086486A1 (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009086486A1 (en) * 2007-12-27 2009-07-09 In The Works... High-efficiency catalytic converters for treating exhaust gases
US20100229540A1 (en) * 2009-03-11 2010-09-16 Indmar Products Company Inc. Combination Liquid-Cooled Exhaust Manifold Assembly And Catalytic Converter Assembly For A Marine Engine
US20110232273A1 (en) * 2010-03-25 2011-09-29 Chin-Chih Hsieh Heating Pipe Mechanism Having Gas Exhausting and Waste-Heat Utilizing Functions
CN102211519A (zh) * 2010-04-08 2011-10-12 谢锦治 车辆排气废热利用系统与具排气及废热利用功能的加热管机构
US8839611B2 (en) 2010-05-05 2014-09-23 Cummins Power Generation Ip, Inc Exhaust injection muffler
US8650864B2 (en) 2011-10-19 2014-02-18 Indmar Products Company Inc. Combination liquid-cooled exhaust manifold assembly and catalytic converter assembly for a marine engine
US9328641B2 (en) 2012-09-21 2016-05-03 Kohler Co. Power management system that includes a wet exhaust system
GB201223165D0 (en) * 2012-12-21 2013-02-06 Ec Power As Catalytic converter apparatus
US9616383B2 (en) * 2014-02-06 2017-04-11 Johnson Matthey Catalysts (Germany) Gmbh Compact selective catalytic reduction system for nitrogen oxide reduction in the oxygen-rich exhaust of 500 to 4500 kW internal combustion engines
JP2015179993A (ja) * 2014-03-19 2015-10-08 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
US10598068B2 (en) 2015-12-21 2020-03-24 Emissol, Llc Catalytic converters having non-linear flow channels
CN107514306B (zh) * 2016-06-16 2020-01-21 上海汽车集团股份有限公司 发动机、温度控制系统及其换热组件
DE102016213386A1 (de) * 2016-07-21 2018-01-25 Ford Global Technologies, Llc Brennkraftmaschine mit Abgasturboaufladung und Verfahren zum Betreiben einer derartigen Brennkraftmaschine
DE102017205159A1 (de) * 2017-03-27 2018-09-27 Continental Automotive Gmbh Abgassystem
AU2018203111B2 (en) * 2017-05-05 2023-01-12 VENTICO Australia Pty Limited Filter unit
CN109014225A (zh) * 2018-10-17 2018-12-18 中国科学院高能物理研究所 球形金属粉末制备装置用反应器及球形金属粉末制备装置
NO20190635A1 (en) * 2019-05-21 2020-11-23 Vestlandets Innovasjonsselskap As A catalytic converter module and a method of enhancing the efficiency of a catalytic converter
US11105249B2 (en) * 2019-08-30 2021-08-31 Caterpillar Inc. Exhaust assembly temperature regulation
US11220948B1 (en) 2020-07-02 2022-01-11 David A Endrigo Emissions reduction systems and methods
CN112933959A (zh) * 2021-02-23 2021-06-11 北京石油化工学院 一种用于低温催化净化挥发性有机物的反应装置
US11535238B2 (en) * 2021-04-12 2022-12-27 Ford Global Technologies, Llc Exhaust heating system to reduce engine cold start emissions

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1522111A (en) * 1924-02-16 1925-01-06 Franck-Philipson Axel Muffler for internal-combustion engines
US1605484A (en) * 1925-09-03 1926-11-02 Thompson Method of and apparatus for treating exhaust gases
US2025132A (en) * 1934-05-29 1935-12-24 Joseph F Skorepa Antijimmy lock
US3025132A (en) * 1959-08-07 1962-03-13 American Cyanamid Co Method of oxidizing hydrocarbon constituents of exhaust gases
US3169836A (en) * 1961-05-18 1965-02-16 Monsanto Co Exhaust gas treating apparatus
US3598540A (en) * 1969-04-02 1971-08-10 Sidney Chase Catalytic exhaust gas purifying device and casing means therefor
US3674441A (en) * 1970-11-09 1972-07-04 Gen Motors Corp Exhaust emission control
US3874854A (en) * 1973-02-01 1975-04-01 Gen Motors Corp Catalytic converter
JPS5138389B2 (zh) * 1973-10-03 1976-10-21
US3920404A (en) * 1974-09-11 1975-11-18 Ford Motor Co Catalyst converter
DE3736500A1 (de) * 1987-10-28 1989-05-11 Kst Motorenversuch Gmbh Co Katalysatoranlage fuer ottomotoren, insbesondere bootsmotoren, sowie verfahren zur katalytischen abgasreinigung
DE4205496C1 (zh) * 1992-02-22 1993-01-28 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
US5584178A (en) * 1994-06-14 1996-12-17 Southwest Research Institute Exhaust gas combustor
DE19507977A1 (de) * 1995-03-07 1996-09-12 Schatz Thermo Gastech Gmbh Verfahren und Anordnung zur Reduzierung der Abgasemissionen von Verbrennungsmotoren mit Abgaskatalysatoren
US5771682A (en) * 1995-07-28 1998-06-30 Onan Corporation Thermal reactor
US5771885A (en) * 1996-02-22 1998-06-30 Tri-Pact Enterprises, Inc. Exercise filter
US6116022A (en) * 1996-07-03 2000-09-12 Outboard Marine Corporation Catalytic reactor for marine application
US5987885A (en) * 1998-01-29 1999-11-23 Chrysler Corporation Combination catalytic converter and heat exchanger that maintains a catalyst substrate within an efficient operating temperature range for emmisions reduction
US6875407B1 (en) * 1999-01-22 2005-04-05 Benteler Automotive Corporation Vacuum-insulated exhaust treatment device with phase change materials and thermal management system
US6126082A (en) * 1999-04-05 2000-10-03 Doyle; Daniel Pin hole heating of a flowing liquid
DE10042010C2 (de) * 2000-08-26 2002-08-22 Bosch Gmbh Robert Vorrichtung zur Abgasbehandlung
DE10045342C1 (de) * 2000-09-14 2001-11-22 Drafas Gmbh Einrichtung zum Behandeln von Abgasen aus technischen Verbrennungsprozessen
US6951099B2 (en) * 2001-04-03 2005-10-04 John Dickau Heated insulated catalytic converter with air cooling
DE102007013797B4 (de) * 2007-03-22 2010-02-04 Alantum Europe Gmbh Katalysator für ein Abgasnachbehandlungssystem für Verbrennungsmotoren
WO2009086486A1 (en) * 2007-12-27 2009-07-09 In The Works... High-efficiency catalytic converters for treating exhaust gases

Also Published As

Publication number Publication date
US20120020858A1 (en) 2012-01-26
CN102027208A (zh) 2011-04-20
US8034310B2 (en) 2011-10-11
WO2009086486A1 (en) 2009-07-09
US20150110693A1 (en) 2015-04-23
US8298504B2 (en) 2012-10-30
US20160236149A1 (en) 2016-08-18
US20130266496A1 (en) 2013-10-10
US20090175772A1 (en) 2009-07-09
US20110014098A1 (en) 2011-01-20
CN102027208B (zh) 2015-11-25
US8765084B2 (en) 2014-07-01
EP2235337A4 (en) 2015-01-07
US7807120B2 (en) 2010-10-05
EP2235337B8 (en) 2017-04-12
CA2711004C (en) 2015-05-05
CA2711004A1 (en) 2009-07-09
EP2235337A1 (en) 2010-10-06
EP2235337B1 (en) 2017-01-25

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20191221