JP2006307765A - 内燃機関のリフト可変動弁装置 - Google Patents
内燃機関のリフト可変動弁装置 Download PDFInfo
- Publication number
- JP2006307765A JP2006307765A JP2005132599A JP2005132599A JP2006307765A JP 2006307765 A JP2006307765 A JP 2006307765A JP 2005132599 A JP2005132599 A JP 2005132599A JP 2005132599 A JP2005132599 A JP 2005132599A JP 2006307765 A JP2006307765 A JP 2006307765A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- sub
- support shaft
- movable support
- valve
- 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.)
- Pending
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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
- F01L1/02—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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
-
- 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
-
- 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
- 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
- F01L13/0026—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 by means of an eccentric
-
- 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
- F01L2013/0068—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 "BMW-Valvetronic" type
-
- 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)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
【解決手段】オイルを貯留するようにして上方に開放したオイル溜まり46が上面に設けられるサブカム17に、カムフォロワ18を回動駆動するリフト部45aならびにカムフォロワ18を静止状態に保持すべく可動支軸16の軸線からの距離を等距離としたベース円部45bとが連なって成る当接面45が設けられるとともに、オイル溜まり46のオイルをベース円部45bに導く潤滑油孔47が設けられる。
【選択図】 図3
Description
13A,13B・・・動弁装置
14・・・動弁カム
16・・・可動支軸
17・・・サブカム
18・・・カムフォロワ
19,19′・・・コントロールアーム
20,20′・・・駆動手段
33・・・スペーサ
45・・・当接面
45a・・・リフト部
45b・・・ベース円部
46・・・オイル溜まり
47・・・潤滑油孔
Claims (3)
- 動弁カム(14)の回転軸線に直交する平面内で変位可能な可動支軸(16)で揺動可能に支承されるとともに前記動弁カム(14)に従動して揺動するサブカム(17)と、機関弁(12)に連動、連結されるとともに前記サブカム(17)に従動するカムフォロワ(18)とを備え、前記可動支軸(16)を変位させることで機関弁(12)のリフト量を変化させるようにした内燃機関のリフト可変動弁装置において、前記可動支軸(16)に連結されるとともに前記動弁カム(14)の回転軸線と平行な軸線まわりに回動可能なコントロールアーム(19,19′)と、該コントロールアーム(19,19′)を回動駆動する駆動手段(20,20′)とを含み、オイルを貯留するようにして上方に開放したオイル溜まり(46)が上面に設けられる前記サブカム(17)に、前記カムフォロワ(18)を回動駆動するリフト部(45a)ならびに前記カムフォロワ(18)を静止状態に保持すべく前記可動支軸(16)の軸線からの距離を等距離としたベース円部(45b)とが連なって成る当接面(45)が該当接面(45)を前記カムフォロワ(18)に当接させるようにして設けられるとともに、前記オイル溜まり(46)のオイルを前記ベース円部(45b)に導く潤滑油孔(47)が設けられることを特徴とする内燃機関のリフト可変動弁装置。
- 前記サブカム(17)を揺動可能に支承する前記可動支軸(16)が、前記コントロールアーム(19,19′)に着脱可能に取付けられることを特徴とする請求項1記載の内燃機関のリフト可変動弁装置。
- 複数の前記サブカム(17)を揺動可能に支承する前記可動支軸(16)の外周に、可動支軸(16)とは別体であるスペーサ(33)が、前記各サブカム(17)間に介在するようにして嵌装されることを特徴とする請求項2記載の内燃機関のリフト可変動弁装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005132599A JP2006307765A (ja) | 2005-04-28 | 2005-04-28 | 内燃機関のリフト可変動弁装置 |
US11/405,678 US7252058B2 (en) | 2005-04-28 | 2006-04-18 | Lift-variable valve-operating system for internal combustion engine |
DE102006019062A DE102006019062A1 (de) | 2005-04-28 | 2006-04-25 | Hubveränderliches Ventilbetätigungssystem für eine Brennkraftmaschine |
US11/822,917 US7387096B2 (en) | 2005-04-28 | 2007-07-11 | Lift-variable valve-operating systems for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005132599A JP2006307765A (ja) | 2005-04-28 | 2005-04-28 | 内燃機関のリフト可変動弁装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006307765A true JP2006307765A (ja) | 2006-11-09 |
Family
ID=37111663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005132599A Pending JP2006307765A (ja) | 2005-04-28 | 2005-04-28 | 内燃機関のリフト可変動弁装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7252058B2 (ja) |
JP (1) | JP2006307765A (ja) |
DE (1) | DE102006019062A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008011145A1 (de) | 2007-02-27 | 2008-08-28 | Hitachi, Ltd. | Einstellventilvorrichtung eines Verbrennungsmotors |
KR100868209B1 (ko) | 2006-11-16 | 2008-11-11 | 현대자동차주식회사 | 연속 가변 밸브 리프트 장치 |
JP2010096041A (ja) * | 2008-10-15 | 2010-04-30 | Honda Motor Co Ltd | 内燃機関の可変動弁装置 |
KR100999834B1 (ko) | 2007-12-14 | 2010-12-09 | 현대자동차주식회사 | 가변 밸브 리프트 장치 |
JP2011052570A (ja) * | 2009-08-31 | 2011-03-17 | Honda Motor Co Ltd | 内燃機関の可変動弁装置 |
US8036806B2 (en) | 2008-03-06 | 2011-10-11 | Hitachi, Ltd. | Variable valve actuation system of internal combustion engine and control apparatus of internal combustion engine |
US8307799B2 (en) | 2009-11-05 | 2012-11-13 | Hyundai Motor Company | Lubrication system for fuel pump of GDI engine |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080141960A1 (en) * | 2005-12-05 | 2008-06-19 | Rohe Jeffrey D | Variable valve actuation system having a crank-based actuation transmission |
CN102003232B (zh) * | 2010-11-25 | 2012-07-11 | 奇瑞汽车股份有限公司 | 一种发动机vvt控制阀的连接底座 |
KR101272941B1 (ko) * | 2011-10-18 | 2013-06-11 | 기아자동차주식회사 | 연속 가변 밸브 리프트 장치 및 이를 구비한 엔진 |
DE102012001633A1 (de) * | 2012-01-30 | 2013-08-01 | Kolbenschmidt Pierburg Innovations Gmbh | Mechanisch steuerbare Ventiltriebanordnung |
EP3001090B1 (en) | 2014-09-25 | 2017-11-08 | Roller Bearing Company of America, Inc. | Self lubricating cam follower assembly |
US10677173B2 (en) * | 2016-04-15 | 2020-06-09 | Amadeo PEREZ FERNANDEZ | Control system for internal combustion engines |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61183407U (ja) * | 1985-05-08 | 1986-11-15 | ||
JPH0941912A (ja) * | 1995-08-02 | 1997-02-10 | Mitsubishi Motors Corp | エンジンのロッカシャフト取付構造 |
JP2001123809A (ja) * | 1999-10-25 | 2001-05-08 | Unisia Jecs Corp | 内燃機関の可変動弁装置 |
JP2004132260A (ja) * | 2002-10-10 | 2004-04-30 | Mitsubishi Motors Corp | 内燃機関の連続可変動弁装置 |
JP2004522065A (ja) * | 2001-07-17 | 2004-07-22 | ティッセンクルップ オートモーティヴ アクチエンゲゼルシャフト | 行程弁制御装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0638706A1 (de) | 1993-08-05 | 1995-02-15 | Bayerische Motoren Werke Aktiengesellschaft | Ventiltrieb einer Brennkraftmaschine |
DE19745716A1 (de) * | 1997-10-16 | 1999-04-22 | Daimler Chrysler Ag | Vorrichtung zur variablen Ventilsteuerung für eine Brennkraftmaschine |
WO2002029214A1 (en) * | 2000-09-29 | 2002-04-11 | Edward Charles Mendler | Valve control apparatus |
-
2005
- 2005-04-28 JP JP2005132599A patent/JP2006307765A/ja active Pending
-
2006
- 2006-04-18 US US11/405,678 patent/US7252058B2/en not_active Expired - Fee Related
- 2006-04-25 DE DE102006019062A patent/DE102006019062A1/de not_active Withdrawn
-
2007
- 2007-07-11 US US11/822,917 patent/US7387096B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61183407U (ja) * | 1985-05-08 | 1986-11-15 | ||
JPH0941912A (ja) * | 1995-08-02 | 1997-02-10 | Mitsubishi Motors Corp | エンジンのロッカシャフト取付構造 |
JP2001123809A (ja) * | 1999-10-25 | 2001-05-08 | Unisia Jecs Corp | 内燃機関の可変動弁装置 |
JP2004522065A (ja) * | 2001-07-17 | 2004-07-22 | ティッセンクルップ オートモーティヴ アクチエンゲゼルシャフト | 行程弁制御装置 |
JP2004132260A (ja) * | 2002-10-10 | 2004-04-30 | Mitsubishi Motors Corp | 内燃機関の連続可変動弁装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100868209B1 (ko) | 2006-11-16 | 2008-11-11 | 현대자동차주식회사 | 연속 가변 밸브 리프트 장치 |
DE102008011145A1 (de) | 2007-02-27 | 2008-08-28 | Hitachi, Ltd. | Einstellventilvorrichtung eines Verbrennungsmotors |
US7886703B2 (en) | 2007-02-27 | 2011-02-15 | Hitachi, Ltd. | Variable valve mechanism of internal combustion engine |
KR100999834B1 (ko) | 2007-12-14 | 2010-12-09 | 현대자동차주식회사 | 가변 밸브 리프트 장치 |
US8036806B2 (en) | 2008-03-06 | 2011-10-11 | Hitachi, Ltd. | Variable valve actuation system of internal combustion engine and control apparatus of internal combustion engine |
JP2010096041A (ja) * | 2008-10-15 | 2010-04-30 | Honda Motor Co Ltd | 内燃機関の可変動弁装置 |
JP2011052570A (ja) * | 2009-08-31 | 2011-03-17 | Honda Motor Co Ltd | 内燃機関の可変動弁装置 |
US8307799B2 (en) | 2009-11-05 | 2012-11-13 | Hyundai Motor Company | Lubrication system for fuel pump of GDI engine |
Also Published As
Publication number | Publication date |
---|---|
US20070261650A1 (en) | 2007-11-15 |
DE102006019062A1 (de) | 2006-11-09 |
US7252058B2 (en) | 2007-08-07 |
US7387096B2 (en) | 2008-06-17 |
US20060249111A1 (en) | 2006-11-09 |
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