JPS5042221A - - Google Patents

Info

Publication number
JPS5042221A
JPS5042221A JP49082758A JP8275874A JPS5042221A JP S5042221 A JPS5042221 A JP S5042221A JP 49082758 A JP49082758 A JP 49082758A JP 8275874 A JP8275874 A JP 8275874A JP S5042221 A JPS5042221 A JP S5042221A
Authority
JP
Japan
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.)
Pending
Application number
JP49082758A
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 filed Critical
Publication of JPS5042221A publication Critical patent/JPS5042221A/ja
Pending 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
    • F01N3/08—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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • 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
    • F01N13/009—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 having two or more separate purifying devices arranged in series
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
JP49082758A 1973-07-21 1974-07-20 Pending JPS5042221A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337228 DE2337228A1 (de) 1973-07-21 1973-07-21 Brennkraftmaschine mit einer auslassleitung mit reduktionskatalysator und oxydationskatalysator

Publications (1)

Publication Number Publication Date
JPS5042221A true JPS5042221A (ja) 1975-04-17

Family

ID=5887667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49082758A Pending JPS5042221A (ja) 1973-07-21 1974-07-20

Country Status (6)

Country Link
US (1) US4125997A (ja)
JP (1) JPS5042221A (ja)
DE (1) DE2337228A1 (ja)
FR (1) FR2238039B1 (ja)
GB (1) GB1481103A (ja)
IT (1) IT1016347B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004097190A1 (ja) * 2003-05-01 2004-11-11 Yamaha Hatsudoki Kabushiki Kaisha エンジン

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192141A (en) * 1977-05-02 1980-03-11 Toyota Jidosha Kegko Kabushiki Kaisha Exhaust gas purifying system for engines
US4873645A (en) * 1987-12-18 1989-10-10 Pitney Bowes, Inc. Secure postage dispensing system
SE500701C2 (sv) * 1991-02-22 1994-08-15 Volvo Ab Förfarande och anordning vid katalytisk avgasrening för fordon med elektriskt uppvärmd startkatalysator
DE4204603C2 (de) * 1992-02-15 1996-02-29 Hager & Elsaesser Vorrichtung zur mehrstufigen, katalytischen Verbrennung von stickstoffhaltigen Gasen
DE4436415A1 (de) * 1994-10-12 1996-04-18 Bosch Gmbh Robert Einrichtung zum Nachbehandeln von Abgasen einer selbstzündenden Brennkraftmaschine
JPH09133016A (ja) * 1995-11-09 1997-05-20 Toyota Motor Corp 内燃機関の排気浄化装置
DE19617563C2 (de) * 1996-05-02 2000-06-15 Daimler Chrysler Ag Abgaskatalysatoranlage für einen Dieselmotor
RU2164608C1 (ru) * 1999-10-08 2001-03-27 Облонский Евгений Владимирович Устройство для очистки отработавших газов двигателя внутреннего сгорания
DE10005714A1 (de) * 2000-02-09 2001-12-20 Volkswagen Ag Katalysatorsystem zur Nachbehandlung eines von einer Verbrennungskraftmaschine erzeugten Abgases
MY141622A (en) * 2003-06-19 2010-05-31 Yamaha Motor Co Ltd Exhaust system for an engine
JP2006199176A (ja) * 2005-01-21 2006-08-03 Yamaha Motor Co Ltd スノーモービルの排気装置
JP2006199175A (ja) 2005-01-21 2006-08-03 Yamaha Motor Co Ltd スノーモービル
US8661786B2 (en) * 2008-07-01 2014-03-04 Woodward, Inc. Passive secondary air delivery system for two bed catalyst system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826089A (en) * 1971-07-07 1974-07-30 Nissan Motor Air-pollution preventive arrangement
US3757521A (en) * 1971-04-05 1973-09-11 Chemical Construction Corp Integrated engine exhaust emission control system
JPS4832764A (ja) * 1971-08-30 1973-05-02
FR2166504A5 (ja) * 1971-12-28 1973-08-17 Peugeot & Renault
US3809743A (en) * 1972-01-07 1974-05-07 Monsanto Co Process for treating automotive exhaust
US3825654A (en) * 1972-04-21 1974-07-23 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004097190A1 (ja) * 2003-05-01 2004-11-11 Yamaha Hatsudoki Kabushiki Kaisha エンジン

Also Published As

Publication number Publication date
FR2238039B1 (ja) 1977-03-18
IT1016347B (it) 1977-05-30
FR2238039A1 (ja) 1975-02-14
DE2337228A1 (de) 1975-02-06
US4125997A (en) 1978-11-21
GB1481103A (en) 1977-07-27

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