JPS55164716A - Exhausting device for internal combustion engine - Google Patents

Exhausting device for internal combustion engine

Info

Publication number
JPS55164716A
JPS55164716A JP7200779A JP7200779A JPS55164716A JP S55164716 A JPS55164716 A JP S55164716A JP 7200779 A JP7200779 A JP 7200779A JP 7200779 A JP7200779 A JP 7200779A JP S55164716 A JPS55164716 A JP S55164716A
Authority
JP
Japan
Prior art keywords
exhaust
pipes
air inlet
air intake
intake chambers
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
JP7200779A
Other languages
Japanese (ja)
Inventor
Masabumi Kishi
Sadao Okamoto
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 JP7200779A priority Critical patent/JPS55164716A/en
Publication of JPS55164716A publication Critical patent/JPS55164716A/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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles

Abstract

PURPOSE: To enable to provide air inlet ports without affecting the outer appearance adversely, by forming air intake chambers with check valves downwardly of the crank case, and connecting these air intake chambers to respective air inlet ports fixed to the outer pipe.
CONSTITUTION: Exhaust pipe 2 connected to exhaust port 5 is arranged in a double -wall structure consisting of outer pipe 2a and inner pipe 2b. The outer pipe 2a is provided with an air inlet port 12 at a portion thereof a little spaced from exhaust port 5 and air outlet ports 11 at portions thereof near the exhaust port 5. Further, air intake chambers 17 having respective check valves 16 are provided downardly of the crank case. These air intake chambers 17 are connected via conduits 18 to respective air inlet ports 12 on exhaust pipes 2 which are in turn connected to respective cylinders. Since, in accordance with the above arrangement, only very short pipes 18 are needed on the outside of exhaust pipes 2, there is no fear of affecting the outer appearance extremely. Further, since the outer surface of outer pipes 2a are kept at a relatively low temperature, exhaust pipes 5 can be protected against discoloration and buring by heat.
COPYRIGHT: (C)1980,JPO&Japio
JP7200779A 1979-06-08 1979-06-08 Exhausting device for internal combustion engine Pending JPS55164716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7200779A JPS55164716A (en) 1979-06-08 1979-06-08 Exhausting device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7200779A JPS55164716A (en) 1979-06-08 1979-06-08 Exhausting device for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS55164716A true JPS55164716A (en) 1980-12-22

Family

ID=13476919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7200779A Pending JPS55164716A (en) 1979-06-08 1979-06-08 Exhausting device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS55164716A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898619A (en) * 1981-12-09 1983-06-11 Honda Motor Co Ltd Reed valve unit in exhaust gas purifying device for internal combustion engine
JP2008159473A (en) * 2006-12-25 2008-07-10 Matsushita Electric Works Ltd Embedded illumination fixture
JP2010001738A (en) * 2007-10-31 2010-01-07 Yamaha Motor Co Ltd Exhaust gas treatment mechanism, engine unit having the mechanism, and vehicle having the engine unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898619A (en) * 1981-12-09 1983-06-11 Honda Motor Co Ltd Reed valve unit in exhaust gas purifying device for internal combustion engine
JPS6361492B2 (en) * 1981-12-09 1988-11-29
JP2008159473A (en) * 2006-12-25 2008-07-10 Matsushita Electric Works Ltd Embedded illumination fixture
JP2010001738A (en) * 2007-10-31 2010-01-07 Yamaha Motor Co Ltd Exhaust gas treatment mechanism, engine unit having the mechanism, and vehicle having the engine unit

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