JP5263762B2 - 連続可変バルブリフト装置 - Google Patents
連続可変バルブリフト装置 Download PDFInfo
- Publication number
- JP5263762B2 JP5263762B2 JP2008151561A JP2008151561A JP5263762B2 JP 5263762 B2 JP5263762 B2 JP 5263762B2 JP 2008151561 A JP2008151561 A JP 2008151561A JP 2008151561 A JP2008151561 A JP 2008151561A JP 5263762 B2 JP5263762 B2 JP 5263762B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- tappet
- shoe
- continuously variable
- cam
- 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.)
- Expired - Fee Related
Links
Images
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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Description
110 タペット
200 コントロールシャフト
300 回動シュー
310 スライド面
320 カム挿入部
330 ローラー
400 駆動カム
410 カムロブ
500 リターンスプリング
600 シャフトブロック
610 ガイドスロット
Claims (2)
- 往復運動を通じて流路を開閉させるバルブと、
前記バルブの中心軸の軸方向延長上周辺に装着されるコントロールシャフトと、
多辺形リングの中空部にカム挿入部が形成され、前記多辺形リングの外周部に前記バルブとスライディング接触するスライド面が形成され回動時に前記バルブを往復させるよう前記コントロールシャフトに回動可能に結合される回動シューと、
前記カム挿入部の内周壁に接触して前記回動シューを回動させる駆動カムと、
前記カム挿入部の内周壁が前記駆動カムに密着するように前記回動シューに弾性力を付与するリターンスプリングとを含み、
前記スライド面は、前記回動シューが回転しても前記バルブが移動しないゼロリフト区間と、前記回動シューの回転時に前記バルブを移動させるローリフト区間と、前記回動シューの回転時に前記ローリフト区間より大きい移動距離で前記バルブを移動させるハイリフト区間と、を備えており、
前記バルブの一端には、前記スライド面との接触面が曲面に形成されたタペットが装着され、
前記コントロールシャフトは、前記タペットの曲面と等しい曲率中心を有する曲面に沿って移動可能なように構成されたことを特徴とする連続可変バルブリフト装置。 - 前記タペットの曲面と等しい曲率中心を有する曲面からなるガイドスロットが形成されるシャフトブロックを含み、
前記コントロールシャフトは、前記ガイドスロットを貫いて前記ガイドスロットに沿ってスライディング可能なように構成されてい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。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0034299 | 2008-04-14 | ||
KR1020080034299A KR100969074B1 (ko) | 2008-04-14 | 2008-04-14 | 연속 가변 밸브 리프트 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009257300A JP2009257300A (ja) | 2009-11-05 |
JP5263762B2 true JP5263762B2 (ja) | 2013-08-14 |
Family
ID=41060718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008151561A Expired - Fee Related JP5263762B2 (ja) | 2008-04-14 | 2008-06-10 | 連続可変バルブリフト装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7971562B2 (ja) |
JP (1) | JP5263762B2 (ja) |
KR (1) | KR100969074B1 (ja) |
CN (1) | CN101560896B (ja) |
DE (1) | DE102008047124B4 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7160876B2 (ja) | 2019-10-08 | 2022-10-25 | ショット日本株式会社 | 気密端子 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8315920B2 (en) | 2010-03-09 | 2012-11-20 | At&T Intellectual Property I, L.P. | Method for automating onboarding of user generated ringback tones to sales distribution channel |
US9038588B2 (en) | 2013-10-03 | 2015-05-26 | Honda Motor Co., Ltd. | Continuously variable valve lift mechanism |
KR101619230B1 (ko) | 2014-09-30 | 2016-05-10 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2939443A (en) * | 1958-11-25 | 1960-06-07 | John G Oechsner | Poppet valve operating mechanism |
US4036185A (en) * | 1976-04-09 | 1977-07-19 | Key Edward H | Energy-efficient valve gear |
JPS5926768B2 (ja) * | 1976-07-27 | 1984-06-30 | トヨタ自動車株式会社 | 内燃機関のバルブ駆動装置 |
JPS6120242Y2 (ja) * | 1980-09-30 | 1986-06-18 | ||
US4723515A (en) * | 1983-05-05 | 1988-02-09 | Investment Rarities Incorporated | Mechanism utilizing a single rocker arm for controlling an internal combustion engine valve |
JP3167180B2 (ja) * | 1992-07-03 | 2001-05-21 | マツダ株式会社 | エンジンのバルブタイミング制御装置 |
DE4223172C1 (en) * | 1992-07-15 | 1993-08-19 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | Cylinder head for IC engine - bearing cover for cam shaft bearing also acts for bearing for eccentric shaft |
US5235942A (en) * | 1992-12-23 | 1993-08-17 | Kohler Co. | Cylinder head assembly |
DE19509604A1 (de) * | 1995-03-16 | 1996-09-19 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
JPH10238316A (ja) * | 1997-02-26 | 1998-09-08 | Isuzu Motors Ltd | タペット |
JP2001227315A (ja) | 2000-02-18 | 2001-08-24 | Unisia Jecs Corp | 内燃機関の可変動弁装置 |
JP4153806B2 (ja) | 2003-03-10 | 2008-09-24 | 株式会社日立製作所 | 内燃機関の可変動弁装置 |
DE102004008389A1 (de) * | 2004-02-20 | 2005-09-08 | Bayerische Motoren Werke Ag | Hubvariabler Ventiltrieb für eine Brennkraftmaschine |
JP4278590B2 (ja) | 2004-08-31 | 2009-06-17 | 株式会社日立製作所 | 内燃機関の可変動弁装置 |
JP2006233829A (ja) | 2005-02-24 | 2006-09-07 | Hitachi Ltd | 内燃機関の可変動弁装置 |
JP2007040291A (ja) * | 2005-06-28 | 2007-02-15 | Hitachi Ltd | 内燃機関の可変動弁装置 |
EP1790835B1 (en) * | 2005-11-25 | 2009-09-09 | Eaton S.R.L. | Dual valve lift blip with single cam lobe for gasoline engines |
DE102006022489A1 (de) | 2006-05-13 | 2007-11-22 | Bayerische Motoren Werke Ag | Zylinderkopf für eine fremdgezündete Brennkraftmaschine |
-
2008
- 2008-04-14 KR KR1020080034299A patent/KR100969074B1/ko active IP Right Grant
- 2008-06-10 JP JP2008151561A patent/JP5263762B2/ja not_active Expired - Fee Related
- 2008-09-05 US US12/205,461 patent/US7971562B2/en not_active Expired - Fee Related
- 2008-09-15 DE DE102008047124.0A patent/DE102008047124B4/de not_active Expired - Fee Related
- 2008-09-27 CN CN2008101695163A patent/CN101560896B/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7160876B2 (ja) | 2019-10-08 | 2022-10-25 | ショット日本株式会社 | 気密端子 |
JP7369245B2 (ja) | 2019-10-08 | 2023-10-25 | ショット日本株式会社 | 気密端子 |
Also Published As
Publication number | Publication date |
---|---|
CN101560896A (zh) | 2009-10-21 |
DE102008047124B4 (de) | 2019-03-21 |
KR20090108940A (ko) | 2009-10-19 |
KR100969074B1 (ko) | 2010-07-09 |
DE102008047124A1 (de) | 2009-10-15 |
CN101560896B (zh) | 2013-04-24 |
US20090255496A1 (en) | 2009-10-15 |
US7971562B2 (en) | 2011-07-05 |
JP2009257300A (ja) | 2009-11-05 |
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