JP2007523289A - 内燃エンジン用排気バルブ機構 - Google Patents
内燃エンジン用排気バルブ機構 Download PDFInfo
- Publication number
- JP2007523289A JP2007523289A JP2006554050A JP2006554050A JP2007523289A JP 2007523289 A JP2007523289 A JP 2007523289A JP 2006554050 A JP2006554050 A JP 2006554050A JP 2006554050 A JP2006554050 A JP 2006554050A JP 2007523289 A JP2007523289 A JP 2007523289A
- Authority
- JP
- Japan
- Prior art keywords
- rocker arm
- exhaust valve
- valve mechanism
- cam element
- engine
- 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
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
- F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
-
- 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
- F01L1/181—Centre pivot rocking arms
-
- 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
- F01L2001/467—Lost motion springs
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/04—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation using engine as brake
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
本発明は、各エンジンシリンダーが少なくとも一つの排気バルブを持つ内燃エンジン用(11)排気バルブ機構に関する。この機構(10)は、ロッカーアームシャフト(13)上に設けられている主ロッカーアーム(12)と主ロッカーアーム上に配置され、排気ブレーキを機能させるためのロッカーアームシャフトに設けられる第2ロッカーアーム(29)を有する。前記第2ロッカーアームがばね力によりカムシャフト(16)のカム要素(32)と係合するように、ばね装置(33;35)がエンジン上の固定点(34)と第2ロッカーアーム(29)との間で作動するように配置されている。
【選択図】図1
Description
Claims (4)
- 各エンジンシリンダーが少なくとも一つの排気バルブを持つ内燃エンジン(11)用の排気バルブ機構であって、前記機構(10)は、各シリンダーに設けられ、各ロッカーアームのカム要素(15,32)を持つカムシャフト(16)の調整による排気バルブの通常の作動を行うためのロッカーアームシャフト(13)上に設けられている主ロッカーアーム(12)と、前記主ロッカーアーム上に配置され、排気ブレーキを機能させるためのロッカーアームシャフトに設けられる第2ロッカーアーム(29)であって、排気ブレーキ機能は両方のロッカーアームの間で作動するピストンシリンダー(19−21)に油圧を供給することのより作動し、カムシャフトのカム要素(32)のうちの一つを作動させることにより実行されるようにした第2ロッカーアームを有し、
前記第2ロッカーアームがばね力によりカムシャフト(16)のカム要素(32)と係合するように、ばね装置(33;35)がエンジン上の固定点(34)と第2ロッカーアーム(29)との間で作動するように配置されていることを特徴とする排気バルブ機構。 - 前記ばね装置(33;35)は、第2ロッカーアーム(29)に対して、そのベアリングシャフト(16)とそのカム要素(32)との接触部位との間にある点において作用することを特徴とする請求項1に記載の排気バルブ機構。
- 前記ばね装置(33;35)は、第2ロッカーアーム(29)に対して、そのベアリングシャフト(16)とそのカム要素(32)との接触部位との間の実質的に中間点において作用することを特徴とする請求項2に記載の排気バルブ機構。
- 前記カム要素(32)との接触点部位はカムフォロワーローラ(31)から成る請求項2又は3のいずれかに記載の排気バルブ機構。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0400453A SE526636C2 (sv) | 2004-02-23 | 2004-02-23 | Avgasventilmekanism för en förbränningsmotor |
PCT/SE2005/000179 WO2005080773A1 (en) | 2004-02-23 | 2005-02-09 | Exhaust valve mechanism for internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007523289A true JP2007523289A (ja) | 2007-08-16 |
Family
ID=31989619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006554050A Pending JP2007523289A (ja) | 2004-02-23 | 2005-02-09 | 内燃エンジン用排気バルブ機構 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8230831B2 (ja) |
EP (1) | EP1721069B1 (ja) |
JP (1) | JP2007523289A (ja) |
CN (1) | CN100427740C (ja) |
AT (1) | ATE421035T1 (ja) |
DE (1) | DE602005012369D1 (ja) |
ES (1) | ES2320355T3 (ja) |
SE (1) | SE526636C2 (ja) |
WO (1) | WO2005080773A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101114388B1 (ko) * | 2009-09-23 | 2012-02-14 | 기아자동차주식회사 | 로커암을 구비한 엔진브레이크 시스템 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006015893A1 (de) * | 2006-04-05 | 2007-10-11 | Daimlerchrysler Ag | Gaswechselventilbetätigungsvorrichtung |
JP5094884B2 (ja) * | 2007-03-16 | 2012-12-12 | ジェイコブス ビークル システムズ、インコーポレイテッド | 関節式ロッカー・アームとロッカー・シャフトを装着したハウジングとを有するエンジン・ブレーキ |
US20100108007A1 (en) * | 2007-03-16 | 2010-05-06 | Jacobs Vehicle Systems, Inc. | Rocker shaft mounted engine brake |
WO2009002234A1 (en) * | 2007-06-26 | 2008-12-31 | Volvo Lastvagnar Ab | Exhaust valve mechanism for an internal combustion engine |
EP2444602B1 (en) * | 2009-01-05 | 2015-06-24 | Shanghai Universoon Autoparts Co., Ltd | Engine braking devices and methods |
EP2425105B1 (en) * | 2009-04-27 | 2014-07-23 | Jacobs Vehicle Systems, Inc. | Dedicated rocker arm engine brake |
CN102562214B (zh) * | 2010-12-21 | 2014-10-29 | 上海尤顺汽车部件有限公司 | 用于产生发动机的辅助气门运动的复合摇臂装置 |
BR112017024460A2 (pt) | 2015-05-18 | 2018-07-24 | Eaton Srl | conjunto de balancim de válvula de exaustão |
USD813124S1 (en) * | 2015-08-31 | 2018-03-20 | Cummins Inc. | Rocker for compression relief brake |
USD839310S1 (en) | 2015-09-11 | 2019-01-29 | Eaton Intelligent Power Limited | Valve bridge |
USD812534S1 (en) * | 2015-09-11 | 2018-03-13 | Hb Performance Systems, Inc. | Brake caliper housing |
USD808872S1 (en) | 2015-09-11 | 2018-01-30 | Eaton S.R.L. | Rocker arm for engine brake |
CN105715323B (zh) * | 2016-03-25 | 2019-06-28 | 上海尤顺汽车部件有限公司 | 一种发动机气门运动转换机构 |
EP3475540B1 (en) * | 2016-06-25 | 2024-08-28 | Eaton Intelligent Power Limited | Valve train assembly |
US10907514B2 (en) | 2016-06-25 | 2021-02-02 | Eaton Intelligent Power Limited | Valve train assembly |
US11506092B2 (en) | 2017-12-04 | 2022-11-22 | Eaton Intelligent Power Limited | Engine brake rocker arm having biasing configuration |
CN110672885B (zh) * | 2019-10-12 | 2021-06-29 | 绵阳瑞联电子机械技术有限公司 | 一种单手操作的小型定位夹具装置 |
CN116420007A (zh) | 2020-11-20 | 2023-07-11 | 雅各布斯车辆系统公司 | 空动发动机阀门致动系统中的摇臂控制 |
DE102021001427A1 (de) | 2021-03-17 | 2022-09-22 | Daimler Truck AG | Ventiltrieb für eine Verbrennungskraftmaschine, insbesondere eines Kraftfahrzeugs, sowie Verbrennungskraftmaschine für ein Kraftfahrzeug |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0579309A (ja) * | 1991-08-08 | 1993-03-30 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
JP2002155719A (ja) * | 2000-11-22 | 2002-05-31 | Honda Motor Co Ltd | 多気筒内燃機関における潤滑構造 |
WO2003031778A1 (en) * | 2001-10-11 | 2003-04-17 | Volvo Lastvagnar Ab | Exhaust valve mechanism in internal combustion engines |
JP2004044449A (ja) * | 2002-07-10 | 2004-02-12 | Mitsubishi Motors Corp | 内燃機関の動弁装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4025569C1 (en) * | 1990-08-11 | 1991-07-18 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Valve brake for vehicle IC engine - has separately controllable cylinder outlet valves for drive and braking functions |
DE4142197A1 (de) * | 1991-12-20 | 1993-04-08 | Daimler Benz Ag | Kipphebelanordnung fuer einen ventiltrieb mit variabler ventilbetaetigungszeit bei brennkraftmaschinen |
AU694703B2 (en) * | 1996-10-11 | 1998-07-23 | Mitsubishi Fuso Truck And Bus Corporation | Engine-brake assisting system |
GB9815599D0 (en) * | 1998-07-20 | 1998-09-16 | Cummins Engine Co Ltd | Compression engine braking system |
US6439195B1 (en) * | 2000-07-30 | 2002-08-27 | Detroit Diesel Corporation | Valve train apparatus |
US6405707B1 (en) * | 2000-12-18 | 2002-06-18 | Caterpillar Inc. | Integral engine and engine compression braking HEUI injector |
-
2004
- 2004-02-23 SE SE0400453A patent/SE526636C2/sv not_active IP Right Cessation
-
2005
- 2005-02-09 CN CNB2005800056519A patent/CN100427740C/zh active Active
- 2005-02-09 AT AT05711041T patent/ATE421035T1/de not_active IP Right Cessation
- 2005-02-09 WO PCT/SE2005/000179 patent/WO2005080773A1/en active Application Filing
- 2005-02-09 ES ES05711041T patent/ES2320355T3/es active Active
- 2005-02-09 JP JP2006554050A patent/JP2007523289A/ja active Pending
- 2005-02-09 DE DE602005012369T patent/DE602005012369D1/de active Active
- 2005-02-09 EP EP05711041A patent/EP1721069B1/en active Active
-
2006
- 2006-08-23 US US11/466,473 patent/US8230831B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0579309A (ja) * | 1991-08-08 | 1993-03-30 | Honda Motor Co Ltd | 内燃機関の動弁装置 |
JP2002155719A (ja) * | 2000-11-22 | 2002-05-31 | Honda Motor Co Ltd | 多気筒内燃機関における潤滑構造 |
WO2003031778A1 (en) * | 2001-10-11 | 2003-04-17 | Volvo Lastvagnar Ab | Exhaust valve mechanism in internal combustion engines |
JP2004044449A (ja) * | 2002-07-10 | 2004-02-12 | Mitsubishi Motors Corp | 内燃機関の動弁装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101114388B1 (ko) * | 2009-09-23 | 2012-02-14 | 기아자동차주식회사 | 로커암을 구비한 엔진브레이크 시스템 |
Also Published As
Publication number | Publication date |
---|---|
CN100427740C (zh) | 2008-10-22 |
SE0400453D0 (sv) | 2004-02-23 |
WO2005080773A1 (en) | 2005-09-01 |
SE526636C2 (sv) | 2005-10-18 |
US20070028878A1 (en) | 2007-02-08 |
ES2320355T3 (es) | 2009-05-21 |
DE602005012369D1 (de) | 2009-03-05 |
CN1922396A (zh) | 2007-02-28 |
US8230831B2 (en) | 2012-07-31 |
SE0400453L (sv) | 2005-08-24 |
ATE421035T1 (de) | 2009-01-15 |
EP1721069B1 (en) | 2009-01-14 |
EP1721069A1 (en) | 2006-11-15 |
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