JP4608468B2 - 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
- JP4608468B2 JP4608468B2 JP2006197134A JP2006197134A JP4608468B2 JP 4608468 B2 JP4608468 B2 JP 4608468B2 JP 2006197134 A JP2006197134 A JP 2006197134A JP 2006197134 A JP2006197134 A JP 2006197134A JP 4608468 B2 JP4608468 B2 JP 4608468B2
- Authority
- JP
- Japan
- Prior art keywords
- cam
- valve
- roller
- arm
- swing
- 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
- 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
-
- 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
- F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
- F01L2305/02—Mounting of rollers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20882—Rocker arms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2101—Cams
- Y10T74/2107—Follower
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
15a……動弁カムとしての吸気カム
30………ホルダ
31a,31b…ホルダのアーム部
33………連結壁
40………揺動部材としてのサブカム
41a,41b…揺動部材のアーム部
41d……装着溝
42………支点部
43………カム当接部としてのローラ
43a……カム当接点
45………ローラの支持軸
45a,45b…軸端部
45a1,45b1,48a…付勢当接点
46………出力部としての駆動カム部
47………止め輪
48………突出部
49………油溜め部
50………ロッカアーム
60………付勢部材
70………制御部材
74………圧縮コイルバネ
A………作用部
E………内燃機関
Ls……揺動中心線
V………動弁装置
T………伝達機構
Claims (4)
- 内燃機関の機関弁を駆動するための動弁カムと、前記動弁カムの弁駆動力を前記機関弁に伝達すると共に制御部材により駆動されて前記機関弁の最大リフト量を変更可能な伝達機構と、前記伝達機構を前記動弁カムに当接させる付勢力を発生する付勢部材とを備える内燃機関の可変動弁装置であって、前記伝達機構は、前記制御部材により駆動されるホルダと、前記ホルダに揺動可能に支持される揺動部材とを備え、前記揺動部材は、前記動弁カムにカム当接点で当接するカム当接部と、前記動弁カムから前記カム当接部に入力された前記弁駆動力を前記機関弁に出力する出力部と、前記付勢部材に付勢当接点で当接する作用部とを有する内燃機関の可変動弁装置において、
前記作用部は、前記付勢当接点が前記揺動部材の揺動中心線よりも前記カム当接点の近くに位置すると共に前記付勢力の作用線が前記揺動中心線の方向から見て前記カム当接部と重なるように、前記カム当接部の近傍に設けられ、
前記ホルダは、前記揺動部材の揺動中心線に沿う方向に互いに間隔をおいて配置されて相互間に前記揺動部材を揺動可能に支持する一対のアーム部と、その両アーム部の、前記付勢部材寄りの一端部間を連結する連結壁とを備え、
前記付勢部材は、前記連結壁と前記揺動部材の前記作用部との間で前記作用線に沿って設けられる圧縮コイルバネを備えることを特徴とする内燃機関の可変動弁装置。 - 前記カム当接部は、前記揺動部材のアーム部に設けられる支持軸に設けられるローラであり、前記作用部は、前記揺動部材のアーム部を挟んで前記ローラとは反対側に突出する前記支持軸の円柱状の軸端部であることを特徴とする請求項1記載の内燃機関の可変動弁装置。
- 前記カム当接部は、前記揺動部材のアーム部に回転可能に設けられる支持軸に設けられるローラであり、前記作用部は、前記揺動部材のアーム部を挟んで前記ローラとは反対側で前記揺動部材のアーム部から突出する突出部であり、前記突出部は前記揺動部材のアーム部と前記支持軸との摺動部に供給される潤滑油を溜める油溜め部を形成することを特徴とする請求項1記載の内燃機関の可変動弁装置。
- 前記支持軸は、前記揺動部材のアーム部の装着溝に装着される止め輪により軸方向での移動が規制され、前記突出部は前記装着溝が設けられるアーム部に一体成形されていることを特徴とする請求項3記載の内燃機関の可変動弁装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006197134A JP4608468B2 (ja) | 2006-07-19 | 2006-07-19 | 内燃機関の可変動弁装置 |
US11/780,162 US7631622B2 (en) | 2006-07-19 | 2007-07-19 | Valve system for internal combustion engine |
EP07014216A EP1881167B1 (en) | 2006-07-19 | 2007-07-19 | Valve system for internal combustion engine |
DE602007001419T DE602007001419D1 (de) | 2006-07-19 | 2007-07-19 | Ventilsystem für einen Verbrennungsmotor |
US12/457,358 US7980215B2 (en) | 2006-07-19 | 2009-06-09 | Valve system for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006197134A JP4608468B2 (ja) | 2006-07-19 | 2006-07-19 | 内燃機関の可変動弁装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008025411A JP2008025411A (ja) | 2008-02-07 |
JP4608468B2 true JP4608468B2 (ja) | 2011-01-12 |
Family
ID=38617547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006197134A Expired - Fee Related JP4608468B2 (ja) | 2006-07-19 | 2006-07-19 | 内燃機関の可変動弁装置 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7631622B2 (ja) |
EP (1) | EP1881167B1 (ja) |
JP (1) | JP4608468B2 (ja) |
DE (1) | DE602007001419D1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4999815B2 (ja) * | 2008-10-15 | 2012-08-15 | 本田技研工業株式会社 | 内燃機関の可変動弁装置 |
WO2012112817A1 (en) * | 2011-02-16 | 2012-08-23 | Cummins Intellectual Property, Inc. | Variable valve actuation system and method using variable oscillating cam |
US8789502B2 (en) | 2011-02-16 | 2014-07-29 | Cummins Intellectual Property, Inc. | Variable valve actuation system and method using variable oscillating cam |
EP3623592A1 (en) * | 2018-09-17 | 2020-03-18 | Uwe Eisenbeis | Variable valvetrain having lubricant supply system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0764199A (ja) * | 1993-06-15 | 1995-03-10 | Noritsu Koki Co Ltd | フィルム連続供給方法及び装置 |
JPH10325310A (ja) * | 1997-05-27 | 1998-12-08 | Unisia Jecs Corp | 内燃機関の吸排気弁駆動制御装置 |
JP2005226636A (ja) * | 2004-01-16 | 2005-08-25 | Honda Motor Co Ltd | エンジンの動弁装置 |
JP2005315182A (ja) * | 2004-04-28 | 2005-11-10 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
JP2005351190A (ja) * | 2004-06-11 | 2005-12-22 | Honda Motor Co Ltd | ローラ付きカムフォロア |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3800168B2 (ja) * | 2002-11-18 | 2006-07-26 | トヨタ自動車株式会社 | 内燃機関の可変動弁機構及び吸入空気量制御装置 |
DE10261304B4 (de) | 2002-12-27 | 2009-01-22 | BÖSL-FLIERL, Gerlinde | Ventilhubvorrichtung zur variablen Ventilsteuerung der Gaswechselventile einer Verbrennungskraftmaschine |
US6988473B2 (en) * | 2003-06-26 | 2006-01-24 | Delphi Technologies, Inc. | Variable valve actuation mechanism having an integrated rocker arm, input cam follower and output cam body |
DE102004006186A1 (de) | 2004-02-06 | 2005-08-25 | Volkswagen Ag | Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils |
US7406932B2 (en) | 2005-08-15 | 2008-08-05 | Honda Motor Co., Ltd. | Lift-variable valve-operating system for internal combustion engine |
JP4226607B2 (ja) | 2006-02-22 | 2009-02-18 | 本田技研工業株式会社 | 可変動弁機構用アクチュエータのデフォルト装置 |
-
2006
- 2006-07-19 JP JP2006197134A patent/JP4608468B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-19 EP EP07014216A patent/EP1881167B1/en not_active Not-in-force
- 2007-07-19 DE DE602007001419T patent/DE602007001419D1/de active Active
- 2007-07-19 US US11/780,162 patent/US7631622B2/en not_active Expired - Fee Related
-
2009
- 2009-06-09 US US12/457,358 patent/US7980215B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0764199A (ja) * | 1993-06-15 | 1995-03-10 | Noritsu Koki Co Ltd | フィルム連続供給方法及び装置 |
JPH10325310A (ja) * | 1997-05-27 | 1998-12-08 | Unisia Jecs Corp | 内燃機関の吸排気弁駆動制御装置 |
JP2005226636A (ja) * | 2004-01-16 | 2005-08-25 | Honda Motor Co Ltd | エンジンの動弁装置 |
JP2005315182A (ja) * | 2004-04-28 | 2005-11-10 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
JP2005351190A (ja) * | 2004-06-11 | 2005-12-22 | Honda Motor Co Ltd | ローラ付きカムフォロア |
Also Published As
Publication number | Publication date |
---|---|
US20090266321A1 (en) | 2009-10-29 |
US7631622B2 (en) | 2009-12-15 |
EP1881167B1 (en) | 2009-07-01 |
EP1881167A1 (en) | 2008-01-23 |
US20080017147A1 (en) | 2008-01-24 |
DE602007001419D1 (de) | 2009-08-13 |
US7980215B2 (en) | 2011-07-19 |
JP2008025411A (ja) | 2008-02-07 |
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