JPS572421A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
JPS572421A
JPS572421A JP7517880A JP7517880A JPS572421A JP S572421 A JPS572421 A JP S572421A JP 7517880 A JP7517880 A JP 7517880A JP 7517880 A JP7517880 A JP 7517880A JP S572421 A JPS572421 A JP S572421A
Authority
JP
Japan
Prior art keywords
cross
section
combustion chamber
intake
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
JP7517880A
Other languages
Japanese (ja)
Inventor
Shigeo Matsumoto
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.)
Honda Motor Co Ltd
Original Assignee
Honda 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP7517880A priority Critical patent/JPS572421A/en
Publication of JPS572421A publication Critical patent/JPS572421A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To prevent intake and exhaust efficiency from falling, by providing a pair intake valve and exhaust valve on the major axis of the elliptic cross section of a combustion chamber and installing a spark plug for the combustion chamber so that the plug is located on the minor axis of the elliptic cross section apart from its center between both the valves.
CONSTITUTION: A cylinder head 2 is fitted with a pair of intake valve 15 and exhaust valve 16 on the major axis l-l of the cross section of a combustion chamber 10. The combustion chamber 10 is provided with a spark plug 21 on the minor axis s-s of the cross section apart from its center. According to this constitution, the pair of intake valve 15 and exhaust valve 16 can be located near the center of the cross section on its major axis l-l and a passage of cross sectional area A necessary for intake flow and exhaust flow to proceed under less resistance can be secured among the valves 15, 16 and both walls on the major axis of the cross section of the combustion chamber 10. As a result, intake and exhaust efficiency is enhanced to heighten combustion efficiency.
COPYRIGHT: (C)1982,JPO&Japio
JP7517880A 1980-06-04 1980-06-04 Internal combustion engine Pending JPS572421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7517880A JPS572421A (en) 1980-06-04 1980-06-04 Internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7517880A JPS572421A (en) 1980-06-04 1980-06-04 Internal combustion engine

Publications (1)

Publication Number Publication Date
JPS572421A true JPS572421A (en) 1982-01-07

Family

ID=13568686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7517880A Pending JPS572421A (en) 1980-06-04 1980-06-04 Internal combustion engine

Country Status (1)

Country Link
JP (1) JPS572421A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59201923A (en) * 1983-04-30 1984-11-15 Yamaha Motor Co Ltd Four-cycle internal-combustion engine
JPH0155063B2 (en) * 1984-02-08 1989-11-22 Taisei Shika Kogyo Kk

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040703Y1 (en) * 1970-11-25 1975-11-20
JPS5281362U (en) * 1975-12-16 1977-06-17
JPS5289269U (en) * 1975-12-24 1977-07-04
JPS5420885U (en) * 1977-07-11 1979-02-09

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040703Y1 (en) * 1970-11-25 1975-11-20
JPS5281362U (en) * 1975-12-16 1977-06-17
JPS5289269U (en) * 1975-12-24 1977-07-04
JPS5420885U (en) * 1977-07-11 1979-02-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59201923A (en) * 1983-04-30 1984-11-15 Yamaha Motor Co Ltd Four-cycle internal-combustion engine
JPH0155063B2 (en) * 1984-02-08 1989-11-22 Taisei Shika Kogyo Kk

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