JPS5381804A - Two cycles four cylinders engine - Google Patents

Two cycles four cylinders engine

Info

Publication number
JPS5381804A
JPS5381804A JP11014777A JP11014777A JPS5381804A JP S5381804 A JPS5381804 A JP S5381804A JP 11014777 A JP11014777 A JP 11014777A JP 11014777 A JP11014777 A JP 11014777A JP S5381804 A JPS5381804 A JP S5381804A
Authority
JP
Japan
Prior art keywords
cycles
engine
cylinders engine
crank arms
cylinders
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.)
Granted
Application number
JP11014777A
Other languages
Japanese (ja)
Other versions
JPS5515622B2 (en
Inventor
Masaharu Naito
Takashi Matsui
Masayasu Mizoguchi
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 JP11014777A priority Critical patent/JPS5381804A/en
Publication of JPS5381804A publication Critical patent/JPS5381804A/en
Publication of JPS5515622B2 publication Critical patent/JPS5515622B2/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/06—Engines with means for equalising torque
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/20—Multi-cylinder engines with cylinders all in one line
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1816—Number of cylinders four

Abstract

PURPOSE:To provide the engine in reducing torque fluctuation and vibration generation with the inner and outer crank arms faced in the same direction where 2 sets of 4 crank arms are mutually positioned with 180 deg. crank angle phase difference.
JP11014777A 1977-09-13 1977-09-13 Two cycles four cylinders engine Granted JPS5381804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11014777A JPS5381804A (en) 1977-09-13 1977-09-13 Two cycles four cylinders engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11014777A JPS5381804A (en) 1977-09-13 1977-09-13 Two cycles four cylinders engine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12327177A Division JPS595776B2 (en) 1977-10-14 1977-10-14 Multi-cylinder internal combustion engine for motorcycles

Publications (2)

Publication Number Publication Date
JPS5381804A true JPS5381804A (en) 1978-07-19
JPS5515622B2 JPS5515622B2 (en) 1980-04-24

Family

ID=14528228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11014777A Granted JPS5381804A (en) 1977-09-13 1977-09-13 Two cycles four cylinders engine

Country Status (1)

Country Link
JP (1) JPS5381804A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63289221A (en) * 1988-04-22 1988-11-25 Yamaha Motor Co Ltd Parallel four-cylinder engine for motorcycle
JPS63289223A (en) * 1988-04-22 1988-11-25 Yamaha Motor Co Ltd Parallel four-cylinder engine for motorcycle
JPH01108339U (en) * 1988-01-14 1989-07-21

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01108339U (en) * 1988-01-14 1989-07-21
JPS63289221A (en) * 1988-04-22 1988-11-25 Yamaha Motor Co Ltd Parallel four-cylinder engine for motorcycle
JPS63289223A (en) * 1988-04-22 1988-11-25 Yamaha Motor Co Ltd Parallel four-cylinder engine for motorcycle
JPH0329969B2 (en) * 1988-04-22 1991-04-25
JPH0362891B2 (en) * 1988-04-22 1991-09-27 Yamaha Motor Co Ltd

Also Published As

Publication number Publication date
JPS5515622B2 (en) 1980-04-24

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