JP5148451B2 - 内燃機関の可変動弁装置 - Google Patents
内燃機関の可変動弁装置 Download PDFInfo
- Publication number
- JP5148451B2 JP5148451B2 JP2008270351A JP2008270351A JP5148451B2 JP 5148451 B2 JP5148451 B2 JP 5148451B2 JP 2008270351 A JP2008270351 A JP 2008270351A JP 2008270351 A JP2008270351 A JP 2008270351A JP 5148451 B2 JP5148451 B2 JP 5148451B2
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- Japan
- Prior art keywords
- valve
- cam
- rocker arm
- intake
- internal combustion
- 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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- 238000002485 combustion reaction Methods 0.000 title claims description 24
- 230000007246 mechanism Effects 0.000 claims description 53
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 description 8
- 239000000446 fuel Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Description
以下、本発明を図1〜図9に示す第1の実施形態にもとづいて説明する。
図10および図11は、本発明の第2の実施形態の要部を示す。
図12および図13は、本発明の第3の実施形態の要部を示す。
Claims (5)
- 複数の気筒を有する内燃機関に回転自在に設けられたカムシャフトによって駆動され、吸気バルブ又は排気バルブを開閉し、前記吸気バルブ又は排気バルブの駆動位相とバルブリフト量とを変化させる動力伝達部材であって、前記吸気バルブ又は排気バルブを開閉するスイングカムと、前記スイングカムの姿勢を変化させる駆動面を備える動力伝達部材と、
前記駆動面において前記スイングカムを押圧する領域を変化させることにより前記吸気バルブ又は排気バルブの駆動位相とバルブリフト量とを変化させる支点移動機構と、
前記内燃機関の非作動時に前記駆動面で押圧する前記スイングカムの駆動位置を調整する調整機構と
を備えたことを特徴とする内燃機関の可変動弁装置。 - 前記動力伝達部材は、前記調整機構に揺動可能に支持されることを特徴とする請求項1に記載の内燃機関の可変動弁装置。
- 前記調整機構は、前記吸気バルブ又は前記排気バルブの気筒毎に備えたことを特徴とする請求項1又は2に記載の内燃機関の可変動弁装置。
- 前記調整機構は、ねじ機構により前記駆動位置を調整することを特徴とする請求項1から3のうちのいずれか1項に記載の内燃機関の可変動弁装置。
- 前記動力伝達部材は、前記カムシャフトの変位を受け前記駆動面を有するセンタロッカアームを備え、
前記センタロッカアームは、前記支点移動機構により変位する
ことを特徴とする請求項1から4のうちのいずれか1項に記載の内燃機関の可変動弁装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008270351A JP5148451B2 (ja) | 2008-10-20 | 2008-10-20 | 内燃機関の可変動弁装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008270351A JP5148451B2 (ja) | 2008-10-20 | 2008-10-20 | 内燃機関の可変動弁装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004117812A Division JP4221327B2 (ja) | 2004-04-13 | 2004-04-13 | 内燃機関の可変動弁装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009014000A JP2009014000A (ja) | 2009-01-22 |
JP5148451B2 true JP5148451B2 (ja) | 2013-02-20 |
Family
ID=40355156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008270351A Expired - Lifetime JP5148451B2 (ja) | 2008-10-20 | 2008-10-20 | 内燃機関の可変動弁装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5148451B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63297713A (ja) * | 1987-05-29 | 1988-12-05 | Suzuki Motor Co Ltd | 四サイクルエンジンのバルブリフト可変装置 |
JP4211628B2 (ja) * | 2004-02-12 | 2009-01-21 | トヨタ自動車株式会社 | 可変動弁機構 |
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2008
- 2008-10-20 JP JP2008270351A patent/JP5148451B2/ja not_active Expired - Lifetime
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JP2009014000A (ja) | 2009-01-22 |
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