JPS5629036A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
JPS5629036A
JPS5629036A JP10319379A JP10319379A JPS5629036A JP S5629036 A JPS5629036 A JP S5629036A JP 10319379 A JP10319379 A JP 10319379A JP 10319379 A JP10319379 A JP 10319379A JP S5629036 A JPS5629036 A JP S5629036A
Authority
JP
Japan
Prior art keywords
semicircle
piston
straight portion
cylinder sleeve
straight
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
JP10319379A
Other languages
Japanese (ja)
Other versions
JPS5951669B2 (en
Inventor
Toshimitsu Yoshimura
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 JP10319379A priority Critical patent/JPS5951669B2/en
Publication of JPS5629036A publication Critical patent/JPS5629036A/en
Publication of JPS5951669B2 publication Critical patent/JPS5951669B2/en
Expired 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 
    • F02F1/18—Other cylinders
    • F02F1/183—Oval or square cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

PURPOSE:To almost equalize strains in each portion due to bending moment by internal pressure by making the thickness of the straight portion of a cylinder sleeve larger than that of the semicircle portion on both outsides of a piston for an engine provided with an oval piston. CONSTITUTION:In the inside of an oval form of a cylinder 1, consisting of the semicircle portions 1a on both outsides and the straight or slightly curved straight portion 1b between the semicircle portions 1a, almost the same shape of a piston 3 is fitted slidably through a cylinder sleeve 2. In such an internal combustion engine, the thickness of the straight portion in the middle of the cylinder sleeve 2 is made a comparatively large. Thus, in the straight portion 1b, a large sectional secondary moment is obtained and also in the semicircle portion 1a, a comparatively small sectional secondary moment is obtained. Therefore, strains in each portion due to the variation in bending moement by internal pressure can be made almost uniform, permitting seizure, etc., to be prevented.
JP10319379A 1979-08-15 1979-08-15 internal combustion engine Expired JPS5951669B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10319379A JPS5951669B2 (en) 1979-08-15 1979-08-15 internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10319379A JPS5951669B2 (en) 1979-08-15 1979-08-15 internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5629036A true JPS5629036A (en) 1981-03-23
JPS5951669B2 JPS5951669B2 (en) 1984-12-15

Family

ID=14347671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10319379A Expired JPS5951669B2 (en) 1979-08-15 1979-08-15 internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5951669B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602660A1 (en) * 1985-01-29 1986-08-28 Honda Giken Kogyo K.K., Tokio/Tokyo INTERNAL COMBUSTION ENGINE
DE4106395A1 (en) * 1991-02-28 1992-01-16 Bernd Engel Piston and cylinder for IC-engine - are of elliptical cross=section with corresponding piston rings

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH662992A5 (en) * 1985-03-01 1987-11-13 Jd Technologie Ag BUFFER PROTECTION DEVICE FOR GROUND TRANSPORT VEHICLES.
JPS626767U (en) * 1985-06-28 1987-01-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602660A1 (en) * 1985-01-29 1986-08-28 Honda Giken Kogyo K.K., Tokio/Tokyo INTERNAL COMBUSTION ENGINE
US4951621A (en) * 1985-01-29 1990-08-28 Honda Giken Kogyo Kabushiki Kaisha Four stroke internal combustion engine
DE4106395A1 (en) * 1991-02-28 1992-01-16 Bernd Engel Piston and cylinder for IC-engine - are of elliptical cross=section with corresponding piston rings

Also Published As

Publication number Publication date
JPS5951669B2 (en) 1984-12-15

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