JPS57148026A - Exhaust device of internal combustion engine - Google Patents

Exhaust device of internal combustion engine

Info

Publication number
JPS57148026A
JPS57148026A JP56033987A JP3398781A JPS57148026A JP S57148026 A JPS57148026 A JP S57148026A JP 56033987 A JP56033987 A JP 56033987A JP 3398781 A JP3398781 A JP 3398781A JP S57148026 A JPS57148026 A JP S57148026A
Authority
JP
Japan
Prior art keywords
exhaust
exhaust pipe
internal combustion
combustion engine
parts
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
JP56033987A
Other languages
Japanese (ja)
Inventor
Makoto Amano
Yoshihiro Nakamura
Nobuji Eguchi
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.)
Hino Motors Ltd
Original Assignee
Hino Motors Ltd
Hino Jidosha Kogyo KK
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 Hino Motors Ltd, Hino Jidosha Kogyo KK filed Critical Hino Motors Ltd
Priority to JP56033987A priority Critical patent/JPS57148026A/en
Publication of JPS57148026A publication Critical patent/JPS57148026A/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/04—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Characterised By The Charging Evacuation (AREA)

Abstract

PURPOSE:To improve suction efficiency and engine performance in a multi-cylinder internal combustion engine, by dividing its exhaust pipe group into two parts, collecting the two parts at a place of required length into an exhaust pipe further forming this collcted part to a shape having an ejector function. CONSTITUTION:All cylinders are equally divided into two groups, exhaust manifolds 2a, 2b. Two exhaust pipes 3a, 3b are collected into an exhaust pipe 3c at a portion of required length. The inside diameter D of this collective point B is formed larger than an inside diameter (d) of the two exhaust pipes 3a, 3b, and the diameter of the exhaust pipe 3c is expanded at an angle of alpha. In this way, exhaust gas inertia is utilized to prevent exhaust interference and obtain exhaust resistance, and suction efficiency and engine performance can be improved.
JP56033987A 1981-03-11 1981-03-11 Exhaust device of internal combustion engine Pending JPS57148026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56033987A JPS57148026A (en) 1981-03-11 1981-03-11 Exhaust device of internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56033987A JPS57148026A (en) 1981-03-11 1981-03-11 Exhaust device of internal combustion engine

Publications (1)

Publication Number Publication Date
JPS57148026A true JPS57148026A (en) 1982-09-13

Family

ID=12401822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56033987A Pending JPS57148026A (en) 1981-03-11 1981-03-11 Exhaust device of internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57148026A (en)

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