JP5391439B2 - 連続可変バルブリフト装置、および連続可変バルブリフト装置群 - Google Patents
連続可変バルブリフト装置、および連続可変バルブリフト装置群 Download PDFInfo
- Publication number
- JP5391439B2 JP5391439B2 JP2008283271A JP2008283271A JP5391439B2 JP 5391439 B2 JP5391439 B2 JP 5391439B2 JP 2008283271 A JP2008283271 A JP 2008283271A JP 2008283271 A JP2008283271 A JP 2008283271A JP 5391439 B2 JP5391439 B2 JP 5391439B2
- Authority
- JP
- Japan
- Prior art keywords
- follower
- variable valve
- valve lift
- continuously variable
- lift device
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
- F01L13/0042—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams being profiled in axial and radial direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
- F01L2013/0073—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "Delphi" type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
110 入力カム
200、201 フォロア支持部
201 中心軸支持部
202 制御結合部
210 結合部
220 第1弾性部
300、301 フォロア
305 中心軸
310 第1ローラ
320 接触部
400 直線ガイド
410 第2弾性部
420 ガイドローラ
430 ガイドレール
440 ガイドシャフト
500、501、502 出力カム
510 ゼロリフト区間
520 リフト区間
530 ランプ区間
540 出力部
550 第2ローラ
600 バルブ開閉部
610 バルブ
700 シリンダーヘッド
800 制御部
810 偏心軸
820 偏心軸ハウジング
830 ストッパー
901、902 (左右それぞれの)バンク
Claims (13)
- a)カムシャフトに形成されて回転する入力カム、
b)前記カムシャフトとの相対的な角度が変化するように前記カムシャフトに形成されたフォロア支持部、
c)中心軸を含み、前記中心軸で前記フォロア支持部と結合し、前記入力カムの回転が伝達されて、前記中心軸を中心にピボット運動するフォロア、
d)直線ガイド、
e)前記フォロアと接触して前記直線ガイドに沿って往復運動する出力カム、
f)前記出力カムと接触して開閉されるバルブ開閉部、を有し、
前記出力カムは、前記バルブ開閉部と接触する出力部を有し、
前記出力部は、前記直線ガイドと平行なゼロリフト区間と、前記直線ガイドから次第に離れる形状のリフト区間とを有し、
前記フォロアと前記出力カムが接触する位置と、前記カムシャフトの中心を結ぶ直線は、前記直線ガイドと平行であることを特徴とする連続可変バルブリフト装置。 - 前記フォロア支持部は、結合部を有して、シリンダーヘッドに結合されることを特徴とする請求項1に記載の連続可変バルブリフト装置。
- 前記フォロアと前記フォロア支持部の間には、前記フォロアに復原力を与える第1弾性部が形成されることを特徴とする請求項1に記載の連続可変バルブリフト装置。
- 前記フォロアは、前記入力カムと接触する第1ローラを有することを特徴とする請求項1に記載の連続可変バルブリフト装置。
- 前記フォロアは、前記出力カムと接触する接触部を有することを特徴とする請求項4に記載の連続可変バルブリフト装置。
- 前記出力カムは、前記フォロアと接触する第2ローラを有することを特徴とする請求項1に記載の連続可変バルブリフト装置。
- 前記直線ガイドと前記出力カムの間に第2弾性部が形成されて、前記出力カムと前記フォロアが常に接触するようにすることを特徴とする請求項1に記載の連続可変バルブリフト装置。
- 前記直線ガイドは、ガイドローラを有して、前記出力カムを往復運動することができるようにすることを特徴とする請求項7に記載の連続可変バルブリフト装置。
- 前記直線ガイドは、ガイドレールを有して、前記出力カムを往復運動することができるようにすることを特徴とする請求項7に記載の連続可変バルブリフト装置。
- 前記フォロア支持部には、制御部を有して、前記フォロアの回転軸の位置を移動させることができることを特徴とする請求項1に記載の連続可変バルブリフト装置。
- 前記制御部は、偏心軸を有することを特徴とする請求項10に記載の連続可変バルブリフト装置。
- 前記制御部は、偏心軸ハウジングを有して、前記偏心軸ハウジングには、ストッパーを有して、前記フォロア支持部を設定された角度以上に変化しないようにすることを特徴とする請求項11に記載の連続可変バルブリフト装置。
- 前記入力カム、前記直線ガイド、前記出力カム、前記バルブ開閉部がそれぞれ対称の位置にあり、前記フォロアと前記フォロア支持部が互いに反対方向に形成された請求項1記載の連続可変バルブリフト装置が、2基対にして設置され、前記入力カムを互いに同じ方向に回転するようにしたとき、前記2基の連続可変バルブリフト装置が同じバルブプロファイルを有することを特徴とする連続可変バルブリフト装置群。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080040845A KR100969377B1 (ko) | 2008-04-30 | 2008-04-30 | 연속 가변 밸브 리프트 장치 |
KR10-2008-0040845 | 2008-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009270561A JP2009270561A (ja) | 2009-11-19 |
JP5391439B2 true JP5391439B2 (ja) | 2014-01-15 |
Family
ID=41131094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008283271A Active JP5391439B2 (ja) | 2008-04-30 | 2008-11-04 | 連続可変バルブリフト装置、および連続可変バルブリフト装置群 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8225757B2 (ja) |
JP (1) | JP5391439B2 (ja) |
KR (1) | KR100969377B1 (ja) |
CN (1) | CN101571061B (ja) |
DE (1) | DE102008060420A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100108007A1 (en) * | 2007-03-16 | 2010-05-06 | Jacobs Vehicle Systems, Inc. | Rocker shaft mounted engine brake |
KR101234654B1 (ko) * | 2010-12-06 | 2013-02-19 | 현대자동차주식회사 | 가변 밸브 구동 장치 |
KR101326818B1 (ko) | 2011-12-07 | 2013-11-11 | 현대자동차주식회사 | 연속 가변 밸브 듀레이션 장치 |
DE102011088994A1 (de) * | 2011-12-19 | 2013-06-20 | Bayerische Motoren Werke Aktiengesellschaft | Hubvariabler Ventiltrieb für einen Zylinderkopf einer Brennkraftmaschine |
JP2015127824A (ja) * | 2015-03-02 | 2015-07-09 | 株式会社ニコン | 撮像装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5572962A (en) * | 1991-12-03 | 1996-11-12 | Motive Holdings Limited | Variable valve lift mechanism for internal combustion engine |
US5365895A (en) * | 1991-12-03 | 1994-11-22 | Motive Holdings Limited | Variable valve lift mechanism for internal combustion engine |
US6311659B1 (en) * | 1999-06-01 | 2001-11-06 | Delphi Technologies, Inc. | Desmodromic cam driven variable valve timing mechanism |
JP2001132421A (ja) | 1999-11-05 | 2001-05-15 | Toyota Motor Corp | 可変動バルブ機構 |
US6386161B2 (en) * | 2000-01-13 | 2002-05-14 | Delphi Technologies, Inc. | Cam link variable valve mechanism |
US6295958B2 (en) * | 2000-01-19 | 2001-10-02 | Delphi Technologies, Inc. | Linkless variable valve actuation mechanism |
US6422187B2 (en) * | 2000-01-26 | 2002-07-23 | Delphi Technologies, Inc. | Variable valve mechanism having an eccentric-driven frame |
US6401677B1 (en) * | 2000-02-17 | 2002-06-11 | Delphi Technologies, Inc. | Cam rocker variable valve train device |
US6439177B2 (en) * | 2000-06-30 | 2002-08-27 | Delphi Technologies, Inc. | Low friction variable valve actuation device |
US6745734B2 (en) * | 2002-05-24 | 2004-06-08 | Delphi Technologies, Inc. | Variable valve actuating mechanism having torsional lash control spring |
JP2003343224A (ja) * | 2002-05-27 | 2003-12-03 | Kyowa Metal Work Co Ltd | 内燃機関の可変動弁装置 |
CN100559016C (zh) * | 2004-04-28 | 2009-11-11 | 丰田自动车株式会社 | 可变阀门机构 |
JP2006037830A (ja) | 2004-07-27 | 2006-02-09 | Mikuni Corp | カム装置、多気筒エンジンおよびカム装置におけるバルブの変位行程長と変位のタイミングとの変更方法 |
JP4305335B2 (ja) | 2004-08-31 | 2009-07-29 | トヨタ自動車株式会社 | 可変動弁機構 |
US7305946B2 (en) * | 2004-11-30 | 2007-12-11 | Hitachi, Ltd. | Variable valve operating apparatus for internal combustion engine |
JP2006170062A (ja) * | 2004-12-15 | 2006-06-29 | Toyota Motor Corp | V型内燃機関の可変動弁装置 |
JP4469341B2 (ja) | 2005-09-15 | 2010-05-26 | 株式会社オティックス | 可変動弁機構 |
WO2007052363A1 (ja) * | 2005-10-31 | 2007-05-10 | Zensi Isikawa | 4サイクル内燃機関の動弁機構 |
JP4469326B2 (ja) | 2005-11-07 | 2010-05-26 | 株式会社オティックス | 可変動弁機構 |
KR20080040845A (ko) | 2006-11-06 | 2008-05-09 | 엘지디스플레이 주식회사 | 유기전계발광소자 표시장치의 구동회로 |
JP2008064112A (ja) * | 2007-11-15 | 2008-03-21 | Toyota Motor Corp | 可変動弁装置 |
-
2008
- 2008-04-30 KR KR1020080040845A patent/KR100969377B1/ko active IP Right Grant
- 2008-11-04 JP JP2008283271A patent/JP5391439B2/ja active Active
- 2008-11-20 US US12/275,106 patent/US8225757B2/en active Active
- 2008-12-04 DE DE102008060420A patent/DE102008060420A1/de not_active Withdrawn
- 2008-12-25 CN CN2008101865268A patent/CN101571061B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
KR100969377B1 (ko) | 2010-07-09 |
CN101571061A (zh) | 2009-11-04 |
DE102008060420A1 (de) | 2009-11-05 |
CN101571061B (zh) | 2013-03-13 |
JP2009270561A (ja) | 2009-11-19 |
US20090272345A1 (en) | 2009-11-05 |
US8225757B2 (en) | 2012-07-24 |
KR20090114946A (ko) | 2009-11-04 |
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