JPH0226740U - - Google Patents

Info

Publication number
JPH0226740U
JPH0226740U JP1988103276U JP10327688U JPH0226740U JP H0226740 U JPH0226740 U JP H0226740U JP 1988103276 U JP1988103276 U JP 1988103276U JP 10327688 U JP10327688 U JP 10327688U JP H0226740 U JPH0226740 U JP H0226740U
Authority
JP
Japan
Prior art keywords
eccentric bearing
compression ratio
variable compression
piston pin
ratio mechanism
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
JP1988103276U
Other languages
English (en)
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 filed Critical
Priority to JP1988103276U priority Critical patent/JPH0226740U/ja
Publication of JPH0226740U publication Critical patent/JPH0226740U/ja
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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/06—Adjustable connecting-rods
    • 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/10—Bearings, parts of which are eccentrically adjustable with respect to each other
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04—Connecting-rod bearings; Attachments thereof
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/22—Internal combustion engines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

【図面の簡単な説明】
第１図は本考案の第１実施例に係る可変圧縮比
機構における偏心ベアリングの逆転防止装置の断
面図、第２図は第１図の側面図、第３図は本考案
の第２実施例に係る可変圧縮比機構における偏心
ベアリングの逆転防止装置の断面図、第４図は第
３図の側面図、第５図は本考案の第３実施例に係
る可変圧縮比機構における偏心ベアリングの逆転
防止装置の要部断面図、第６図は本考案の第４実
施例に係る可変圧縮比機構における偏心ベアリン
グの逆転防止装置の要部断面図、第７図は本考案
の第５実施例に係る可変圧縮比機構における偏心
ベアリングの逆転防止装置の要部断面図、第８図
は従来の可変圧縮比機構の断面図、第９図は第８
図の―線に沿う断面図、である。 ２０……コネクテイングロツド、２１……ピス
トンピン、２３……偏心ベアリング、２７……ロ
ツクピン、３１，４１，５１，６１，７１……ワ
ンウエイ機構。

Claims (1)

    【実用新案登録請求の範囲】
  1. ピストンピンとコネクテイングロツドとの間に
    偏心ベアリングを回転可能に介装し、前記偏心ベ
    アリングの動きをロツクピンを用いて固定、解除
    して圧縮比を可変とする内燃機関の可変圧縮比機
    構において、前記ピストンピンの外周に、クラン
    クシヤフトの回転方向と同一方向のみに偏心ベア
    リングの回転を許すワンウエイ機構を設けたこと
    を特徴とする可変圧縮比機構における偏心ベアリ
    ングの逆転防止装置。
JP1988103276U 1988-08-05 1988-08-05 Pending JPH0226740U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988103276U JPH0226740U (ja) 1988-08-05 1988-08-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988103276U JPH0226740U (ja) 1988-08-05 1988-08-05

Publications (1)

Publication Number Publication Date
JPH0226740U true JPH0226740U (ja) 1990-02-21

Family

ID=31333958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988103276U Pending JPH0226740U (ja) 1988-08-05 1988-08-05

Country Status (1)

Country Link
JP (1) JPH0226740U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013160535A1 (en) * 2012-04-25 2013-10-31 Wärtsilä Finland Oy A piston pin assembly
WO2017127594A1 (en) * 2016-01-21 2017-07-27 Federal-Mogul Corporation Variable compression ratio connecting rod

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013160535A1 (en) * 2012-04-25 2013-10-31 Wärtsilä Finland Oy A piston pin assembly
WO2017127594A1 (en) * 2016-01-21 2017-07-27 Federal-Mogul Corporation Variable compression ratio connecting rod
US10247093B2 (en) 2016-01-21 2019-04-02 Tenneco Inc. Variable compression ratio connecting rod

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