JP4327047B2 - バルブタイミング調整装置 - Google Patents
バルブタイミング調整装置 Download PDFInfo
- Publication number
- JP4327047B2 JP4327047B2 JP2004248903A JP2004248903A JP4327047B2 JP 4327047 B2 JP4327047 B2 JP 4327047B2 JP 2004248903 A JP2004248903 A JP 2004248903A JP 2004248903 A JP2004248903 A JP 2004248903A JP 4327047 B2 JP4327047 B2 JP 4327047B2
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- hydraulic chamber
- valve timing
- housing
- cover
- 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
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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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34453—Locking means between driving and driven members
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34453—Locking means between driving and driven members
- F01L2001/34473—Lock movement perpendicular to camshaft axis
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34483—Phaser return springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Description
また、カバーに対する油圧の受圧面積は拡大することがなく、カバーの反りが軽減されて油漏れを小さくできる。しかも、カバーは受圧面積が小さくなることにより、薄いカバーや強度の弱いカバー等カバーの使用範囲が広がる等の効果がある。
図1はこの発明の実施の形態1によるバルブタイミング調整装置の内部構成を示すもので、後述する図3のA−A線で見た軸方向断面図、図2は後述する図5のB−Bで見た軸方向断面図である。図3は第1回転体に対して第2回転体が最進角位置にある状態を示す図1のIII−III線で見た径方向断面図であり、図4は第1回転体に対して第2回転体が最遅角位置にある状態を示す図1のIV−IV線で見た径方向断面図である。図5は第1回転体に対して第2回転体が最進角位置にある状態を示す図1のV−V線で見た径方向断面図であり、図6は第1回転体に対して第2回転体が最遅角位置にある状態を示す図1のVI−VI線で見た径方向断面図である。
まず、エンジン停止時においては、バルブタイミング調整装置1の進角油圧室21および遅角油圧室23内のオイルが第1油路25、第2油路27およびOCV(図示せず)等を経由してオイルパン(図示せず)へ戻されるため、ロックピン31がコイルスプリング39の付勢力により係合孔41に係合して第1回転体3と第2回転体7との相対回動が最進角位置に規制されている(ロック状態)。
また、カバーに対する油圧の受圧面積は拡大することがなく、カバーの反りが軽減されて油漏れを小さくできる。このように、カバーは受圧面積が拡大することがないので、薄いカバーや強度の弱いカバー等の使用範囲が広がる等の効果がある。
実施の形態1では、3つのアシストスプリングを使用しているが、実施の形態2では、この3つのアシストスプリング9を等荷重に設定し、ほぼ等角度間隔に配置するもので、このように構成すると、ベーンロータ7の倒れに起因するモーメントの和を零に近づけることができ、軸線に対して直交するベーンロータ7の倒れを防止することができる。
Claims (4)
- カムシャフトの軸受け部を有するハウジング、内側に複数の突起状のシューを有し該シュー間で油圧室を形成するケース、前記油圧室を塞ぐカバーをそれぞれ一体に固定しクランクシャフトと一体回転する第1回転体と、
前記油圧室をそれぞれ進角油圧室と遅角油圧室とに分ける複数のベーンを有し前記第1回転体内で所定角度だけ回動可能で吸気または排気のカムシャフトと一体固定された第2回転体と、
前記第1回転体と第2回転体との相対位置を調整する付勢手段と、
前記付勢手段の一端側を収納するように前記シューのハウジング対向面に設けたハウジング側のみに開口した溝と、
前記付勢手段の他端側を収納するように前記第2回転体のベーンに設けた穴または溝と
を備え、
前記ハウジングは、前記カバーに比べて厚みと強度が十分であることを特徴とするバルブタイミング調整装置。 - 付勢手段が直線状になる位置を該付勢手段の長さが最大となる位置付近に設定したことを特徴とする請求項1記載のバルブタイミング調整装置。
- 付勢手段の最圧縮時、シューとベーン間に隙間を形成したことを特徴とする請求項1記載のバルブタイミング調整装置。
- 複数の付勢手段はそれぞれ等荷重に設定しほぼ等角度間隔に各シューとベーン間に配設したことを特徴とする請求項1記載のバルブタイミング調整装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004248903A JP4327047B2 (ja) | 2004-08-27 | 2004-08-27 | バルブタイミング調整装置 |
DE112005000050T DE112005000050T5 (de) | 2004-08-27 | 2005-06-08 | Einrichtung zum Einstellen der Ventilsteuerzeit |
PCT/JP2005/010503 WO2006022065A1 (ja) | 2004-08-27 | 2005-06-08 | バルブタイミング調整装置 |
US10/575,724 US20080245328A1 (en) | 2004-08-27 | 2005-06-08 | Valve Timing Adjusting Device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004248903A JP4327047B2 (ja) | 2004-08-27 | 2004-08-27 | バルブタイミング調整装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006063920A JP2006063920A (ja) | 2006-03-09 |
JP4327047B2 true JP4327047B2 (ja) | 2009-09-09 |
Family
ID=35967286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004248903A Expired - Fee Related JP4327047B2 (ja) | 2004-08-27 | 2004-08-27 | バルブタイミング調整装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080245328A1 (ja) |
JP (1) | JP4327047B2 (ja) |
DE (1) | DE112005000050T5 (ja) |
WO (1) | WO2006022065A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009215881A (ja) * | 2006-07-05 | 2009-09-24 | Mitsubishi Electric Corp | バルブタイミング調整装置 |
JP5335094B2 (ja) * | 2009-09-25 | 2013-11-06 | 三菱電機株式会社 | バルブタイミング調整装置 |
JP2012237196A (ja) * | 2011-05-10 | 2012-12-06 | Hitachi Automotive Systems Ltd | 内燃機関のバルブタイミング制御装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6415706U (ja) * | 1987-07-20 | 1989-01-26 | ||
JPH0250106U (ja) * | 1988-09-30 | 1990-04-09 | ||
US6247434B1 (en) * | 1999-12-28 | 2001-06-19 | Borgwarner Inc. | Multi-position variable camshaft timing system actuated by engine oil |
EP1164256B1 (en) * | 2000-01-25 | 2008-01-16 | Mitsubishi Electric Corporation | Valve timing regulation device |
JP2001248411A (ja) * | 2000-03-03 | 2001-09-14 | Mitsubishi Electric Corp | バルブタイミング調整装置 |
-
2004
- 2004-08-27 JP JP2004248903A patent/JP4327047B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-08 US US10/575,724 patent/US20080245328A1/en not_active Abandoned
- 2005-06-08 DE DE112005000050T patent/DE112005000050T5/de not_active Ceased
- 2005-06-08 WO PCT/JP2005/010503 patent/WO2006022065A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2006022065A1 (ja) | 2006-03-02 |
JP2006063920A (ja) | 2006-03-09 |
DE112005000050T5 (de) | 2006-08-03 |
US20080245328A1 (en) | 2008-10-09 |
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