JPS55161940A - Piston for internal combustion engine - Google Patents

Piston for internal combustion engine

Info

Publication number
JPS55161940A
JPS55161940A JP6987079A JP6987079A JPS55161940A JP S55161940 A JPS55161940 A JP S55161940A JP 6987079 A JP6987079 A JP 6987079A JP 6987079 A JP6987079 A JP 6987079A JP S55161940 A JPS55161940 A JP S55161940A
Authority
JP
Japan
Prior art keywords
piston
combustion engine
internal combustion
crankcase
gas
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
JP6987079A
Other languages
Japanese (ja)
Inventor
Yoshihiko Dosono
Shizuo Ishizawa
Saburo Tsutsumi
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP6987079A priority Critical patent/JPS55161940A/en
Publication of JPS55161940A publication Critical patent/JPS55161940A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

PURPOSE:To exactly purge unburnt gas by forming in a piston or a piston ring many blowby passages which connects a crankcase to a circular clearance between the external face of a top land on a piston and the internal face of a cylinder. CONSTITUTION:In an internal combustion engine, many grooves 2 are circumferentially formed at specific intervals in the external face of a piston ring 1, extending in the axial direction of the ring. Each groove 2 has fine sectional area and allows unburnt gas to be discharged as blow-by gas to a crankcase.
JP6987079A 1979-06-06 1979-06-06 Piston for internal combustion engine Pending JPS55161940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6987079A JPS55161940A (en) 1979-06-06 1979-06-06 Piston for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6987079A JPS55161940A (en) 1979-06-06 1979-06-06 Piston for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS55161940A true JPS55161940A (en) 1980-12-16

Family

ID=13415252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6987079A Pending JPS55161940A (en) 1979-06-06 1979-06-06 Piston for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS55161940A (en)

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