JPS5535176A - After-burning prevention device - Google Patents

After-burning prevention device

Info

Publication number
JPS5535176A
JPS5535176A JP10885478A JP10885478A JPS5535176A JP S5535176 A JPS5535176 A JP S5535176A JP 10885478 A JP10885478 A JP 10885478A JP 10885478 A JP10885478 A JP 10885478A JP S5535176 A JPS5535176 A JP S5535176A
Authority
JP
Japan
Prior art keywords
exhaust gas
cooling tubes
fine
exhaust tube
exhaust
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
JP10885478A
Other languages
Japanese (ja)
Inventor
Toru Yoshinaga
Katsuto Miura
Morinaga Okada
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.)
Toyota Motor Corp
Soken Inc
Original Assignee
Nippon Soken Inc
Toyota Motor Corp
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 Nippon Soken Inc, Toyota Motor Corp filed Critical Nippon Soken Inc
Priority to JP10885478A priority Critical patent/JPS5535176A/en
Publication of JPS5535176A publication Critical patent/JPS5535176A/en
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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/05—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 air, e.g. by mixing exhaust with air
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • 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

Landscapes

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

Abstract

PURPOSE: To provide the above-identified device, in which the exhaust gas is passed through a number of fine cooling tubes provided as an intermediate portion of an exhaust tube for cooling the exhaust gas and preventing fater-burning.
CONSTITUTION: The exhaust gas from an internal combustion engine flows through a number of fine cooling tubes provided as an intermediate portion of an exhaust tube 4. As the exhaust gas passes through the fine cooling tubes 7, which are cooled and held at a low temperature by wind provided by the vehicle speed, the flame is cooled down and extinguished, so that ignition to the non-combusted gas remaining in a muffler or the like downstream the exhaust tube 4 is prevented to prevent after- burning. When the sum of the sectional areas of the fine cooling tubes 7 is set to be greater than the sectional area of the exhaust tube 4, the resistance to the exhaust gas at the time of the normal operation is not increased. The cooling effect can be further increased by incereasing the speed of air striking the fine cooling tubes 7 with wind introduced from an inlet 8 through a cooling air guide 10.
COPYRIGHT: (C)1980,JPO&Japio
JP10885478A 1978-09-04 1978-09-04 After-burning prevention device Pending JPS5535176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10885478A JPS5535176A (en) 1978-09-04 1978-09-04 After-burning prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10885478A JPS5535176A (en) 1978-09-04 1978-09-04 After-burning prevention device

Publications (1)

Publication Number Publication Date
JPS5535176A true JPS5535176A (en) 1980-03-12

Family

ID=14495272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10885478A Pending JPS5535176A (en) 1978-09-04 1978-09-04 After-burning prevention device

Country Status (1)

Country Link
JP (1) JPS5535176A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000077354A1 (en) * 1999-06-15 2000-12-21 Emitec Gesellschaft Für Emissionstechnologie Mbh Exhaust system for an internal combustion engine in a motor vehicle
EP1291497A1 (en) * 2001-09-05 2003-03-12 Peugeot Citroen Automobiles SA Motor vehicle exhaust line and heat exchanger used in the exhaust line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000077354A1 (en) * 1999-06-15 2000-12-21 Emitec Gesellschaft Für Emissionstechnologie Mbh Exhaust system for an internal combustion engine in a motor vehicle
EP1291497A1 (en) * 2001-09-05 2003-03-12 Peugeot Citroen Automobiles SA Motor vehicle exhaust line and heat exchanger used in the exhaust line

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