GB2110569B - A method of protecting a catalyst in the exhaust-gas flow of an otto-type engine against contamination by pollutant particle deposits - Google Patents

A method of protecting a catalyst in the exhaust-gas flow of an otto-type engine against contamination by pollutant particle deposits

Info

Publication number
GB2110569B
GB2110569B GB08230485A GB8230485A GB2110569B GB 2110569 B GB2110569 B GB 2110569B GB 08230485 A GB08230485 A GB 08230485A GB 8230485 A GB8230485 A GB 8230485A GB 2110569 B GB2110569 B GB 2110569B
Authority
GB
United Kingdom
Prior art keywords
otto
protecting
catalyst
exhaust
gas flow
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB08230485A
Other versions
GB2110569A (en
Inventor
Jorg Abthoff
Hans-Dieter Schuster
Gunter Loose
Gunther Ebingen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB2110569A publication Critical patent/GB2110569A/en
Application granted granted Critical
Publication of GB2110569B publication Critical patent/GB2110569B/en
Expired legal-status Critical Current

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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/019—Post-treatment of gases
    • 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
    • F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
    • 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
    • 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
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
GB08230485A 1981-10-27 1982-10-26 A method of protecting a catalyst in the exhaust-gas flow of an otto-type engine against contamination by pollutant particle deposits Expired GB2110569B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3142481A DE3142481C2 (en) 1981-10-27 1981-10-27 Process for protecting catalytic converters in the exhaust gas flow of gasoline engines from being poisoned by deposited pollutant particles

Publications (2)

Publication Number Publication Date
GB2110569A GB2110569A (en) 1983-06-22
GB2110569B true GB2110569B (en) 1985-07-03

Family

ID=6144883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08230485A Expired GB2110569B (en) 1981-10-27 1982-10-26 A method of protecting a catalyst in the exhaust-gas flow of an otto-type engine against contamination by pollutant particle deposits

Country Status (4)

Country Link
DE (1) DE3142481C2 (en)
FR (1) FR2515257A1 (en)
GB (1) GB2110569B (en)
IT (1) IT1157229B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233461C2 (en) * 1982-09-09 1984-07-05 Daimler-Benz Ag, 7000 Stuttgart Electrostatic device to protect catalytic converters in the exhaust duct of gasoline engines from being poisoned by pollutant particles
IT1230462B (en) * 1989-02-10 1991-10-23 Sviluppo Materiali Spa SYSTEM FOR THE ABATEMENT OF PARTICULATE IN COMBUSTION GASES
DE3923640A1 (en) * 1989-06-15 1990-12-20 Asea Brown Boveri Filtering out soot particles from IC engine exhaust gas flow - using existing and specified polarity conditioned retention power and/or related reaction with positive and negative charged filters
US8539775B1 (en) 2012-03-21 2013-09-24 Honeywell International Inc. Gas turbine engines and systems and methods for removing particulate matter therefrom during operation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558286A (en) * 1969-01-13 1971-01-26 Gourdine Systems Inc Electrogasdynamic precipitator with catalytic reaction
US3633337A (en) * 1969-04-25 1972-01-11 Cottrell Res Inc Gas-handling method and apparatus
DE2139775A1 (en) * 1971-08-09 1973-02-22 Varta Ag METHOD OF LEAD REMOVAL FROM THE EXHAUST GAS OF GASOLINE ENGINES

Also Published As

Publication number Publication date
GB2110569A (en) 1983-06-22
DE3142481A1 (en) 1983-05-11
DE3142481C2 (en) 1984-05-17
FR2515257A1 (en) 1983-04-29
IT1157229B (en) 1987-02-11
IT8249318A0 (en) 1982-10-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee