JPS6272448U - - Google Patents

Info

Publication number
JPS6272448U
JPS6272448U JP1985162928U JP16292885U JPS6272448U JP S6272448 U JPS6272448 U JP S6272448U JP 1985162928 U JP1985162928 U JP 1985162928U JP 16292885 U JP16292885 U JP 16292885U JP S6272448 U JPS6272448 U JP S6272448U
Authority
JP
Japan
Prior art keywords
eccentric bearing
lock pin
connecting rod
pin hole
combustion engine
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
JP1985162928U
Other languages
English (en)
Other versions
JPH0338424Y2 (ja
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 JP1985162928U priority Critical patent/JPH0338424Y2/ja
Priority to US06/890,605 priority patent/US4721073A/en
Priority to DE8686111231T priority patent/DE3666602D1/de
Priority to EP86111231A priority patent/EP0219634B1/en
Publication of JPS6272448U publication Critical patent/JPS6272448U/ja
Application granted granted Critical
Publication of JPH0338424Y2 publication Critical patent/JPH0338424Y2/ja
Expired 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
    • F02B75/04—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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/04—Engines with prolonged expansion in main cylinders
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/06—Adjustable connecting-rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例に係る内燃機関用可
変圧縮比機構の偏心ベアリング構造の縦断面図、
第２図は第１図の装置の偏心ベアリング部の拡大
部分断面図、第３図は第２図の装置の底面図、第
４図は逃がし溝の変形例を示す偏心ベアリング部
の断面図、第５図は第４図の逃がし溝形状の一例
を示す第４図の装置の底面図、第６図は第４図の
逃がし溝形状の別の例を示す第４図の装置の底面
図、第７図は第４図の逃がし溝形状のさらに別の
例を示す第４図の装置の底面図、第８図は逃がし
溝の別の変形例を示す偏心ベアリング部の断面図
、第９図は第８図の装置の底面図、第１０図は逃
がし溝のさらに別の変形例を示す偏心ベアリング
部の断面図、第１１図は第１０図の逃がし溝形状
の一例を示す第１０図の装置の底面図、第１２図
は第１０図の逃がし溝形状の別の例を示す第１０
図の装置の底面図、第１３図は第１０図の逃がし
溝形状のさらに別の例を示す第１０図の装置の底
面図、第１４図は逃がし溝のさらに別の変形例を
示す偏心ベアリング部の拡大部分断面図、第１５
図は逃がし溝のさらに別の変形例を示す偏心ベア
リング部の拡大部分断面図、第１６図は第１５図
の装置の底面図、第１７図は従来の偏心ベアリン
グの縦断面図、第１８図は第１７図の装置の直角
方向からみた部分拡大縦断面図、である。 ２０……コネクテイングロツド、２１……ピス
トンピン、２２……コネクテイングロツド小端部
、２３……内周面、２４……偏心ベアリング、２
６……ロツクピン、２７……ロツクピン穴、２８
……案内溝、２９，３０……油圧通路、３１……
外周面、３２，３４，３４ａ，３４ｂ，３４ｃ，
３５，３７，３７ａ，３７ｂ，３７ｃ，３９，４
０……逃がし溝、３３……ロツクピン衝突壁。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) コネクテイングロツド小端部の内周とピス
    トンピンの外周との間に、内周円と外周円とが互
    いに偏心した円筒状の偏心ベアリングを回転可能
    に介装し、該偏心ベアリングに、コネクテイング
    ロツド側に設けられたロツクピンが出没可能でか
    つ偏心ベアリングの径方向に延びるロツクピン穴
    を形成した内燃機関用可変圧縮比機構の偏心ベア
    リング構造において、前記ロツクピン穴のコネク
    テイングロツド小端部内周側入口部でかつ前記偏
    心ベアリングの回転方向下流側の部分に、該ロツ
    クピン穴入口部から偏心ベアリングの外周に沿つ
    て周方向に延びかつコネクテイングロツド小端部
    内周面との間に空隙を形成する逃がし溝を設けた
    ことを特徴とする内燃機関用可変圧縮比機構の偏
    心ベアリング構造。 (2) 前記逃がし溝が少なくとも前記ロツクピン
    穴の内周面を形成する内周壁に滑らかに接続され
    ている特許請求の範囲第１項記載の内燃機関用可
    変圧縮比機構の偏心ベアリング構造。 (3) 前記偏心ベアリングの外周面に、該外周面
    に沿つて周方向に前記ロツクピン穴入口部から偏
    心ベアリング回転方向上流側に向かつて延びる前
    記ロツクピン用の案内溝が設けられている特許請
    求の範囲第１項記載の内燃機関用可変圧縮比機構
    の偏心ベアリング構造。
JP1985162928U 1985-10-25 1985-10-25 Expired JPH0338424Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985162928U JPH0338424Y2 (ja) 1985-10-25 1985-10-25
US06/890,605 US4721073A (en) 1985-10-25 1986-07-30 Compression ratio changing device using an eccentric bearing for an internal combustion engine
DE8686111231T DE3666602D1 (en) 1985-10-25 1986-08-13 Compression ratio changing device using an eccentric bearing for an internal combustion engine
EP86111231A EP0219634B1 (en) 1985-10-25 1986-08-13 Compression ratio changing device using an eccentric bearing for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985162928U JPH0338424Y2 (ja) 1985-10-25 1985-10-25

Publications (2)

Publication Number Publication Date
JPS6272448U true JPS6272448U (ja) 1987-05-09
JPH0338424Y2 JPH0338424Y2 (ja) 1991-08-14

Family

ID=15763897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985162928U Expired JPH0338424Y2 (ja) 1985-10-25 1985-10-25

Country Status (4)

Country Link
US (1) US4721073A (ja)
EP (1) EP0219634B1 (ja)
JP (1) JPH0338424Y2 (ja)
DE (1) DE3666602D1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014530319A (ja) * 2011-10-08 2014-11-17 ダイムラー・アクチェンゲゼルシャフトＤａｉｍｌｅｒ ＡＧ 内燃機関の燃焼室の圧縮比を可変調節するための方法

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH082441Y2 (ja) * 1987-06-01 1996-01-29 トヨタ自動車株式会社 圧縮比切換装置
US4864975A (en) * 1987-07-03 1989-09-12 Honda Giken Kogyo Kabushiki Kaisha Compression ratio-changing device for internal combustion engines
US4864977A (en) * 1987-07-03 1989-09-12 Honda Giken Kogyo Kabushiki Kaisha Compression ratio-changing device for internal combustion engines
EP0438121B1 (en) * 1990-01-17 1995-04-05 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Variable compression ratio apparatus for internal combustion engine
JP2881996B2 (ja) * 1990-08-03 1999-04-12 坂東機工株式会社 往復動エンジン
DE4028594A1 (de) * 1990-09-08 1992-03-12 Hella Kg Hueck & Co Einrichtung zur regelung des verdichtungsverhaeltnisses einer brennkraftmaschine, insbesondere in kraftfahrzeugen
GB2251457A (en) * 1991-01-05 1992-07-08 Ford Motor Co I.c.engine with variable compression ratio
CA2089815A1 (en) * 1993-02-18 1994-08-19 John F. E. Beattie Variable compression piston
AU720401B2 (en) * 1997-07-04 2000-06-01 Claude Neil Bresland Internal combusion engines compression reciprocating engine
AUPO885297A0 (en) 1997-09-01 1997-09-25 Bresland, Claude Neil Compression engine
DE10058206B4 (de) * 2000-05-29 2005-07-28 Meta Motoren- Und Energie-Technik Gmbh Vorrichtung zum Verändern der Verdichtung eines Zylinders einer Hubkolbenbrennkraftmaschine
DE10255299A1 (de) * 2002-11-27 2004-06-17 Fev Motorentechnik Gmbh Pleuel zur Verwendung an einer Hubkolbenmaschine mit veränderbar einstellbarem Verdichtungsverhältnis
DE102005020261A1 (de) * 2005-04-30 2006-11-09 Daimlerchrysler Ag Verstellvorrichtung für eine Brennkraftmaschine
DE102008005333B4 (de) * 2008-01-21 2010-06-10 Lemouré, Suheyla Hubkolben-Brennkraftmaschine mit variablem Verdichtungsverhältniss
AT506470B1 (de) 2009-04-29 2010-12-15 Avl List Gmbh Einrichtung zur modifikation der kolbenkinematik einer brennkraftmaschine
KR101198786B1 (ko) * 2010-06-30 2012-11-07 현대자동차주식회사 가변 압축비 장치
DE102010061361B8 (de) * 2010-12-20 2022-05-12 Dr.Ing.H.C. F. Porsche Ag Umschaltventil und Verbrennungsmotor mit einem derartigen Umschaltventil sowie Verfahren zur Steuerung des Umschaltventils
DE102010061362B4 (de) * 2010-12-20 2022-12-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Umschaltventil und Verbrennungsmotor mit einem derartigen Umschaltventil
FI123488B (en) 2012-03-29 2013-05-31 Waertsilae Finland Oy Piston Pin Still life
FI124363B (en) 2012-03-29 2014-07-15 Wärtsilä Finland Oy Piston Pin Still life
FI123748B (en) 2012-04-25 2013-10-15 Waertsilae Finland Oy Piston Pin Still life
WO2014162043A1 (en) 2013-04-03 2014-10-09 Wärtsilä Finland Oy Arrangement for setting a compression ratio of an internal combustion piston engine
JP6269043B2 (ja) * 2013-12-25 2018-01-31 三菱自動車工業株式会社 内燃機関の可変圧縮比装置
DE102015103201A1 (de) * 2015-03-05 2016-09-08 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Pleuelstange und Verbrennungsmotor
US10247093B2 (en) 2016-01-21 2019-04-02 Tenneco Inc. Variable compression ratio connecting rod
KR101826565B1 (ko) * 2016-04-01 2018-03-22 현대자동차 주식회사 가변 압축비 장치
US11060479B2 (en) 2017-08-29 2021-07-13 General Electric Company Reciprocating engine
CN107529584B (zh) * 2017-09-30 2019-05-31 中国第一汽车股份有限公司 一种长度可变连杆
CN107842422B (zh) * 2017-10-10 2020-03-17 中国第一汽车股份有限公司 一种液力控制式压缩比可变机构
KR20200015305A (ko) * 2018-08-03 2020-02-12 현대자동차주식회사 가변 압축비 장치
US11959412B2 (en) * 2021-05-04 2024-04-16 Cummins Inc. Pistons and piston assemblies for internal combustion engines

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191122172A (en) * 1912-04-02 1912-08-08 William Percy Wilkinson Improvements in Compressed Air Suspensions for Road Vehicles.
US1386114A (en) * 1919-10-24 1921-08-02 Jedrzykowski Edmund Internal-combustion engine
US2029169A (en) * 1932-06-13 1936-01-28 Hironaka Yasusaburo Internal combustion engine
US2060221A (en) * 1932-07-14 1936-11-10 Frank A King Internal combustion engine
GB412781A (en) * 1933-07-26 1934-07-05 Leo Vitalba Improvements relating to means for varying the compression ratio of internal combustion engines
FR965917A (fr) * 1948-04-29 1950-09-26 Moteur avec un piston à course variable
US3004810A (en) * 1958-09-15 1961-10-17 Gen Motors Corp Variable clearance volume air compressor
US3633552A (en) * 1969-09-30 1972-01-11 Ernest G Huber Internal combustion engine including maximum firing pressure-limiting means
US4254743A (en) * 1977-12-27 1981-03-10 Reid Allen F Combustion engine
JPS5540256A (en) * 1978-09-14 1980-03-21 Nissan Motor Co Ltd Compression ratio adjusting device of internal combustion engine
JPS5564131A (en) * 1978-11-10 1980-05-14 Toyota Motor Corp Compression ratio varied type internal combustion engine
JPS57137832A (en) * 1981-02-20 1982-08-25 Nippon Soken Inc Capacitive pressure detector
JPS58137832U (ja) * 1982-03-13 1983-09-16 トヨタ自動車株式会社 偏心ベアリングのロツク機構
JPS60108531A (ja) * 1983-11-16 1985-06-14 Honda Motor Co Ltd 車両用内燃機関における圧縮比可変装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014530319A (ja) * 2011-10-08 2014-11-17 ダイムラー・アクチェンゲゼルシャフトＤａｉｍｌｅｒ ＡＧ 内燃機関の燃焼室の圧縮比を可変調節するための方法

Also Published As

Publication number Publication date
US4721073A (en) 1988-01-26
JPH0338424Y2 (ja) 1991-08-14
EP0219634A3 (en) 1988-06-01
EP0219634B1 (en) 1989-10-25
DE3666602D1 (en) 1989-11-30
EP0219634A2 (en) 1987-04-29

Similar Documents

Publication Publication Date Title
JPS6272448U (ja)
JPH0329768U (ja)
JPH0480962U (ja)
JPS6295150U (ja)
JPS62102808U (ja)
JPS6453446U (ja)
JPH02124240U (ja)
JPS6157141U (ja)
JPH0287945U (ja)
JPS6372315U (ja)
JPS6231748U (ja)
JPS61198503U (ja)
JPS62136658U (ja)
JPH0487945U (ja)
JPS646347U (ja)
JPS639443U (ja)
JPS63175312U (ja)
JPS58144046U (ja) 内燃機関のピストン
JPH01131848U (ja)
JPS63147502U (ja)
JPH0371153U (ja)
JPS639442U (ja)
JPH0327854U (ja)
JPH0235944U (ja)
JPH01174505U (ja)