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JPS57122113A - Exhaust tube for internal combustion engine - Google Patents

Exhaust tube for internal combustion engine

Info

Publication number
JPS57122113A
JPS57122113A JP756481A JP756481A JPS57122113A JP S57122113 A JPS57122113 A JP S57122113A JP 756481 A JP756481 A JP 756481A JP 756481 A JP756481 A JP 756481A JP S57122113 A JPS57122113 A JP S57122113A
Authority
JP
Japan
Prior art keywords
pipe section
exhaust tube
thickness
exhaust
upper side
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
JP756481A
Other languages
Japanese (ja)
Inventor
Hiroshi Ito
Haruo Tatsumi
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP756481A priority Critical patent/JPS57122113A/en
Publication of JPS57122113A publication Critical patent/JPS57122113A/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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/06—Tubes being formed by assembly of stamped or otherwise deformed sheet-metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

PURPOSE:To protect an exhaust tube from damage while to reduce the weight and to facilitate the bending work, by jointing a pair of semi-circular members from up and down directions to a portion of an exhaust tube while making the thickness at the underside of said member thicker than that at the upper side. CONSTITUTION:A muffler side pipe section 29 is coupled to the rear end of the engine side pipe section 28 of an exhaust pipe 27. A flange 32 for connecting the exhaust tube 27 to the cylinder is fixed to the tip of the pipe section 28 while a muffler 33 is connected to the rear end of the pipe section 29. Here the pipe section 28 is formed by jointing a pair of pressed semi-circular tubular members 30, 31 from up and down direction where the thickness t1 of the member 30 at the under side or the pavement side is set thicker than the thickness t2 of the member 31 at the upper side. Consequently the rigidity at the under face side of the exhaust pipe 27 is improved to protect from the damage, while the weight is reduced because of the thin upper side and the bending work is facilitated.
JP756481A 1981-01-21 1981-01-21 Exhaust tube for internal combustion engine Pending JPS57122113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP756481A JPS57122113A (en) 1981-01-21 1981-01-21 Exhaust tube for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP756481A JPS57122113A (en) 1981-01-21 1981-01-21 Exhaust tube for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS57122113A true JPS57122113A (en) 1982-07-29

Family

ID=11669290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP756481A Pending JPS57122113A (en) 1981-01-21 1981-01-21 Exhaust tube for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57122113A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142206A (en) * 1983-02-02 1984-08-15 Toho Titanium Co Ltd Production of catalyst component for alpha-olefin polymerization
JPS615317U (en) * 1984-06-18 1986-01-13 川崎重工業株式会社 Motorcycle exhaust pipe structure
JPH0292796A (en) * 1988-09-30 1990-04-03 Suzuki Motor Co Ltd Exhaust pipe arrangement device for scooter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142206A (en) * 1983-02-02 1984-08-15 Toho Titanium Co Ltd Production of catalyst component for alpha-olefin polymerization
JPS615317U (en) * 1984-06-18 1986-01-13 川崎重工業株式会社 Motorcycle exhaust pipe structure
JPH0292796A (en) * 1988-09-30 1990-04-03 Suzuki Motor Co Ltd Exhaust pipe arrangement device for scooter

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