JPH0433969B2 - - Google Patents

Info

Publication number
JPH0433969B2
JPH0433969B2 JP1297628A JP29762889A JPH0433969B2 JP H0433969 B2 JPH0433969 B2 JP H0433969B2 JP 1297628 A JP1297628 A JP 1297628A JP 29762889 A JP29762889 A JP 29762889A JP H0433969 B2 JPH0433969 B2 JP H0433969B2
Authority
JP
Japan
Prior art keywords
intake
valves
valve
passages
camshaft
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 - Lifetime
Application number
JP1297628A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02161125A (ja
Inventor
Masaaki Yoshikawa
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 JP1297628A priority Critical patent/JPH02161125A/ja
Publication of JPH02161125A publication Critical patent/JPH02161125A/ja
Publication of JPH0433969B2 publication Critical patent/JPH0433969B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F02F1/4221—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder particularly for three or more inlet valves
    • 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
    • F02B2275/18—DOHC [Double 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
JP1297628A 1989-11-17 1989-11-17 ４サイクル内燃機関の吸気装置 Granted JPH02161125A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1297628A JPH02161125A (ja) 1989-11-17 1989-11-17 ４サイクル内燃機関の吸気装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1297628A JPH02161125A (ja) 1989-11-17 1989-11-17 ４サイクル内燃機関の吸気装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP57200367A Division JPS5990717A (ja) 1982-11-17 1982-11-17 ４サイクル内燃機関の吸気装置

Publications (2)

Publication Number Publication Date
JPH02161125A JPH02161125A (ja) 1990-06-21
JPH0433969B2 true JPH0433969B2 (US07166745-20070123-C00016.png) 1992-06-04

Family

ID=17849033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1297628A Granted JPH02161125A (ja) 1989-11-17 1989-11-17 ４サイクル内燃機関の吸気装置

Country Status (1)

Country Link
JP (1) JPH02161125A (US07166745-20070123-C00016.png)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB687528A (en) * 1950-09-09 1953-02-18 Karl Maybach Improvements in the liquid cooling of cylinder heads for internal combustion engines
JPS54129206A (en) * 1978-03-28 1979-10-06 Honda Motor Co Ltd Internal combustion engine
JPS6011205A (ja) * 1983-06-24 1985-01-21 Nippon Furnace Kogyo Kaisha Ltd 酸素富化空気量の調節装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431035A (en) * 1987-07-28 1989-02-01 Nok Corp Method for testing abrasion of rubber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB687528A (en) * 1950-09-09 1953-02-18 Karl Maybach Improvements in the liquid cooling of cylinder heads for internal combustion engines
JPS54129206A (en) * 1978-03-28 1979-10-06 Honda Motor Co Ltd Internal combustion engine
JPS6011205A (ja) * 1983-06-24 1985-01-21 Nippon Furnace Kogyo Kaisha Ltd 酸素富化空気量の調節装置

Also Published As

Publication number Publication date
JPH02161125A (ja) 1990-06-21

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