JPS644045B2 - - Google Patents

Info

Publication number
JPS644045B2
JPS644045B2 JP17997180A JP17997180A JPS644045B2 JP S644045 B2 JPS644045 B2 JP S644045B2 JP 17997180 A JP17997180 A JP 17997180A JP 17997180 A JP17997180 A JP 17997180A JP S644045 B2 JPS644045 B2 JP S644045B2
Authority
JP
Japan
Prior art keywords
camshaft
cams
exhaust valves
close
bearing
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.)
Expired
Application number
JP17997180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57102506A (en
Inventor
Ryuichi Ichikawa
Masashi Mizutani
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 JP17997180A priority Critical patent/JPS57102506A/ja
Publication of JPS57102506A publication Critical patent/JPS57102506A/ja
Publication of JPS644045B2 publication Critical patent/JPS644045B2/ja
Granted 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
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/242—Arrangement of spark plugs or injectors
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/20—SOHC [Single overhead camshaft]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
    • F02F2001/246—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis and orientated radially from the combustion chamber surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
JP17997180A 1980-12-18 1980-12-18 Engine with four valves and one overhead cam shaft Granted JPS57102506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17997180A JPS57102506A (en) 1980-12-18 1980-12-18 Engine with four valves and one overhead cam shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17997180A JPS57102506A (en) 1980-12-18 1980-12-18 Engine with four valves and one overhead cam shaft

Related Child Applications (6)

Application Number Title Priority Date Filing Date
JP5642888A Division JPS63235666A (ja) 1988-03-11 1988-03-11 １頭上カム軸式エンジン
JP5643188A Division JPS63235667A (ja) 1988-03-11 1988-03-11 １頭上カム軸式エンジン
JP5642688A Division JPS63227911A (ja) 1988-03-11 1988-03-11 １頭上カム軸式エンジン
JP5642988A Division JPS63235606A (ja) 1988-03-11 1988-03-11 １頭上カム軸式エンジン
JP5643088A Division JPS63235645A (ja) 1988-03-11 1988-03-11 １頭上カム軸式エンジン
JP5642788A Division JPS63235610A (ja) 1988-03-11 1988-03-11 １頭上カム軸式エンジン

Publications (2)

Publication Number Publication Date
JPS57102506A JPS57102506A (en) 1982-06-25
JPS644045B2 true JPS644045B2 (ko) 1989-01-24

Family

ID=16075176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17997180A Granted JPS57102506A (en) 1980-12-18 1980-12-18 Engine with four valves and one overhead cam shaft

Country Status (1)

Country Link
JP (1) JPS57102506A (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5929709A (ja) * 1982-08-12 1984-02-17 Honda Motor Co Ltd 内燃機関の動弁装置
JPS5949706U (ja) * 1982-09-27 1984-04-02 本田技研工業株式会社 内燃機関のカムシヤフト軸受装置
JPS5996405A (ja) * 1982-11-24 1984-06-02 Yamaha Motor Co Ltd 頭上カム軸式多バルブエンジン
JPS60175807U (ja) * 1984-05-01 1985-11-21 本田技研工業株式会社 内燃機関におけるｓｏｈｃ型動弁機構の潤滑装置
JPS60190937U (ja) * 1984-05-30 1985-12-18 スズキ株式会社 ４サイクルエンジンの燃焼室
JPH0450404Y2 (ko) * 1984-09-04 1992-11-27
JPH0320483Y2 (ko) * 1984-09-17 1991-05-02
US4714058A (en) * 1984-12-10 1987-12-22 Mazda Motor Corporation Spark-ignited internal combustion engine
US4741302A (en) * 1984-12-10 1988-05-03 Mazda Motor Corporation Internal combustion engine
JPS61138822A (ja) * 1984-12-10 1986-06-26 Mazda Motor Corp ４弁式エンジン
JPS61142321A (ja) * 1984-12-14 1986-06-30 Mazda Motor Corp エンジンの燃焼室構造
JPS61160517A (ja) * 1985-01-08 1986-07-21 Mazda Motor Corp ４弁式エンジン
JP2554245B2 (ja) * 1985-04-30 1996-11-13 マツダ株式会社 シングルオ−バヘツドカム式エンジン
JPH0452408Y2 (ko) * 1985-04-30 1992-12-09
AT394249B (de) * 1985-05-22 1992-02-25 Avl Verbrennungskraft Messtech Brennkraftmaschine
US5070824A (en) * 1988-05-30 1991-12-10 Yamaha Hatsudoki Kabushiki Kaisha Combustion chamber and valve operating mechanism for multi-valve engine
JP2694898B2 (ja) * 1988-05-30 1997-12-24 ヤマハ発動機株式会社 ４サイクルエンジンの動弁装置
US5016592A (en) * 1989-02-14 1991-05-21 Yamaha Hatsudoki Kabushika Kaisha Cylinder head and valve train arrangement for multiple valve engine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53643Y2 (ko) * 1973-03-07 1978-01-11
JPS5543228A (en) * 1978-09-21 1980-03-27 Yamaha Motor Co Ltd Overhead cam-shaft engine

Also Published As

Publication number Publication date
JPS57102506A (en) 1982-06-25

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