JPS57186051A - Alcohol quality improved gas engine - Google Patents

Alcohol quality improved gas engine

Info

Publication number
JPS57186051A
JPS57186051A JP56070631A JP7063181A JPS57186051A JP S57186051 A JPS57186051 A JP S57186051A JP 56070631 A JP56070631 A JP 56070631A JP 7063181 A JP7063181 A JP 7063181A JP S57186051 A JPS57186051 A JP S57186051A
Authority
JP
Japan
Prior art keywords
quality improver
exhaust
upstream
quality
oxidizing catalyzer
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.)
Pending
Application number
JP56070631A
Other languages
Japanese (ja)
Inventor
Toshio Hirota
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP56070631A priority Critical patent/JPS57186051A/en
Publication of JPS57186051A publication Critical patent/JPS57186051A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
    • F02M27/02—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by catalysts
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

PURPOSE:To both prevent local overheat in a quality improver and perform stable reaction of quality improvement, by utilizing thermal energy of exhaust, improving quality of alcohol fuel through the quality improver and providing a water injection device in the upstream of said quality improver. CONSTITUTION:A quality improver 21 is provided in an exhaust gas passage 20, and an oxidizing catalyzer 22, jointly used for a heat accumulator, is arranged in the upstream of said quality improver 21, further a water injection device 23 is provided in the upstream of said oxidizing catalyzer 22. When an engine is in a range of high speed and high load operation, exhaust temperature rises to at least about 650 deg.C to cause the quality improver 21 in an overheated condition, at this time of high temperature, a quantity of exhaust flowing in a bypass valve 30 is increased to suppress an increase of heat quantity fed to the quality improver 21, simultaneously a water pump 26 is operated to inject water in a water tank 25 into the exhaust gas passage 20 in the upstream of the oxidizing catalyzer 22 through a water injection valve 24. In this way, the exhaust contacted to the oxidizing catalyzer 22 is cooled as well as possible, and overheat of the oxidizing catalyzer 22 and the quality improver 21 can be prevented.
JP56070631A 1981-05-13 1981-05-13 Alcohol quality improved gas engine Pending JPS57186051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56070631A JPS57186051A (en) 1981-05-13 1981-05-13 Alcohol quality improved gas engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56070631A JPS57186051A (en) 1981-05-13 1981-05-13 Alcohol quality improved gas engine

Publications (1)

Publication Number Publication Date
JPS57186051A true JPS57186051A (en) 1982-11-16

Family

ID=13437171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56070631A Pending JPS57186051A (en) 1981-05-13 1981-05-13 Alcohol quality improved gas engine

Country Status (1)

Country Link
JP (1) JPS57186051A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688540A1 (en) * 1992-03-10 1993-09-17 Inst Francais Du Petrole EXHAUST LINE WITH CATALYST FOR TWO-STAGE INTERNAL COMBUSTION ENGINES AND METHOD OF TREATING EXHAUST GAS COMPRISING SUCH A LINE.
CN102797541A (en) * 2011-05-26 2012-11-28 瓦锡兰瑞士公司 Device and method for treating waste gas

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688540A1 (en) * 1992-03-10 1993-09-17 Inst Francais Du Petrole EXHAUST LINE WITH CATALYST FOR TWO-STAGE INTERNAL COMBUSTION ENGINES AND METHOD OF TREATING EXHAUST GAS COMPRISING SUCH A LINE.
US5433073A (en) * 1992-03-10 1995-07-18 Institut Francais Du Petrole Exhaust line with catalyst for two-stroke internal-combustion engines
CN102797541A (en) * 2011-05-26 2012-11-28 瓦锡兰瑞士公司 Device and method for treating waste gas
EP2527611A1 (en) * 2011-05-26 2012-11-28 Wärtsilä Schweiz AG Device and method for treating waste gas
JP2012246920A (en) * 2011-05-26 2012-12-13 Waertsilae Schweiz Ag Exhaust gas aftertreatment device and method
CN102797541B (en) * 2011-05-26 2016-12-14 瓦锡兰瑞士公司 Equipment and method for exhaust after-treatment

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