JPH11502279A - エンジンの排気弁機構 - Google Patents
エンジンの排気弁機構Info
- Publication number
- JPH11502279A JPH11502279A JP8528336A JP52833696A JPH11502279A JP H11502279 A JPH11502279 A JP H11502279A JP 8528336 A JP8528336 A JP 8528336A JP 52833696 A JP52833696 A JP 52833696A JP H11502279 A JPH11502279 A JP H11502279A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- rocker arm
- cylinder chamber
- valve means
- valve mechanism
- 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.)
- Granted
Links
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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 各シリンダ内に少なくとも一つの排気弁と、各シリンダに対して排気弁を 作動させるためのロッカーアーム軸上に組み立てられるロッカーアームと、各ロ ッカーアームに対してカム素子を有するカム軸とから成り、上記カム素子はロッ カーアームの一端でカムフォロアと協働し、さらに、ロッカーアームの反対端と 排気弁の間に配置される弁あそび除去装置とから成り、上記弁あそび除去装置を 上記反対ロッカーアーム端内に配置されるシリンダ室内で受容するピストン素子 から成り、さらに、上記のシリンダ室へ、かつシリンダ室からの作動油の供給ま たは排出のための弁手段を有する油圧回路とから成り、上記弁手段は、一定の低 圧でシリンダ室から作動油の流れを許容する、制御される逆止弁から成る、エン ジンの排気弁機構において、弁手段(20)がロッカーアーム(1)の揺動に相 対的に制御される弁手段(40)から成り、上記弁手段は一定の揺動後に配置さ れて、シリンダ室(7)の排出を許容すべく、逆止弁(22)を超えて連通部分 (43)を開放することを特徴とする弁機構。 2. 上記弁手段(40)はロッカーアーム(1)によって運ばれること、かつ ロッカーアーム軸(3)と弁手段(40)に連結される相互係合的な伝動手段( 45,46)は、それぞれ、ロッカーアームの揺動に依存して弁手段を再設定す ることを特徴とする請求項1に記載の弁機構。 3. 弁手段(40)はロッカーアーム(1)の孔(41)内で回転自在に組み 立てられる弁スライド(42)から成り、上記スライドはロッカーアーム軸(3 )へ相対的に固定される扇形歯車(46)と噛み合うリム歯車(45)と、弁ス ライドの一つの位置内で逆止弁(22)を越えてシリンダ室(7)の排出を許容 する溝(43)とを有することを特徴とする請求項2に記載の弁機構。 4. 溝(43)は、環状スロット(56)を経て、スライドの圧力を緩和する ための、少なくとも一つの、直径方向に向き合う溝(57)と連通することを特 徴とする請求項3に記載の弁機構。 5. 油圧回路はシリンダ室(7)から排出される油によって充填されるべく配 置されるアキュムレータ(32,33,34)を含むことを特徴とする請求項1 から4までの一つに記載の弁機構。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9500965A SE504145C2 (sv) | 1995-03-20 | 1995-03-20 | Avgasventilmekanism i en förbränningsmotor |
SE9500965-0 | 1995-03-20 | ||
PCT/SE1996/000346 WO1996029508A1 (en) | 1995-03-20 | 1996-03-19 | Exhaust valve mechanism in an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11502279A true JPH11502279A (ja) | 1999-02-23 |
JP3942110B2 JP3942110B2 (ja) | 2007-07-11 |
Family
ID=20397592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52833696A Expired - Lifetime JP3942110B2 (ja) | 1995-03-20 | 1996-03-19 | エンジンの排気弁機構 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5890469A (ja) |
EP (1) | EP0815355B1 (ja) |
JP (1) | JP3942110B2 (ja) |
BR (1) | BR9607666A (ja) |
DE (1) | DE69612846T2 (ja) |
SE (1) | SE504145C2 (ja) |
WO (1) | WO1996029508A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017528646A (ja) * | 2014-09-18 | 2017-09-28 | イートン ソチエタ・レスポンサビリタ・リミタータEaton SRL | エンジン制動用のロッカアームアセンブリ |
JP2018519457A (ja) * | 2015-05-18 | 2018-07-19 | イートン ソチエタ・レスポンサビリタ・リミタータEaton SRL | アキュムレータとして作動するオイル放出弁を有するロッカアーム |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2318391B (en) * | 1995-11-28 | 1998-09-30 | Cummins Engine Co Inc | A braking system for an internal combustion engine |
US5996550A (en) * | 1997-07-14 | 1999-12-07 | Diesel Engine Retarders, Inc. | Applied lost motion for optimization of fixed timed engine brake system |
US6152104A (en) * | 1997-11-21 | 2000-11-28 | Diesel Engine Retarders, Inc. | Integrated lost motion system for retarding and EGR |
US6000374A (en) * | 1997-12-23 | 1999-12-14 | Diesel Engine Retarders, Inc. | Multi-cycle, engine braking with positive power valve actuation control system and process for using the same |
US6718940B2 (en) | 1998-04-03 | 2004-04-13 | Diesel Engine Retarders, Inc. | Hydraulic lash adjuster with compression release brake |
US6085721A (en) * | 1998-04-03 | 2000-07-11 | Diesel Engine Retarders, Inc. | Bar engine brake |
WO2000045035A1 (fr) * | 1999-01-27 | 2000-08-03 | Hino Jidosha Kabushiki Kaisha | Mecanisme d'ouverture de soupape |
US6293238B1 (en) * | 1999-04-07 | 2001-09-25 | Caterpillar Inc. | Rocker arm and rocker arm assembly for engines |
WO2000061930A1 (en) * | 1999-04-14 | 2000-10-19 | Diesel Engine Retarders, Inc. | Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power |
US6314926B1 (en) | 1999-05-24 | 2001-11-13 | Jenera Enterprises Ltd | Valve control apparatus |
EP1222374B1 (en) | 1999-09-10 | 2010-01-27 | Diesel Engine Retarders, Inc. | Lost motion rocker arm system with integrated compression brake |
US6334429B1 (en) * | 1999-09-17 | 2002-01-01 | Diesel Engine Retarders | Integrated lost motion rocker brake with control valve for lost motion clip/reset |
EP1232336A4 (en) | 1999-09-17 | 2009-08-05 | Diesel Engine Retarders Inc | MEMORY WITH INCLUDED VOLUME FOR A TOTGANGSYSTEM |
DE60045108D1 (de) * | 1999-12-20 | 2010-11-25 | Jacobs Vehicle Systems Inc | Verfahren und vorrichtung zum hydraulischen an- und loskoppeln einer motorbremse mittels totgang |
US6386160B1 (en) | 1999-12-22 | 2002-05-14 | Jenara Enterprises, Ltd. | Valve control apparatus with reset |
US6799543B2 (en) * | 2001-01-05 | 2004-10-05 | Delphi Technologies, Inc. | Valve deactivation system with free motion spring |
WO2002101212A2 (en) * | 2001-06-13 | 2002-12-19 | Diesel Engine Retarders, Inc. | Latched reset mechanism for engine brake |
DE102006015893A1 (de) * | 2006-04-05 | 2007-10-11 | Daimlerchrysler Ag | Gaswechselventilbetätigungsvorrichtung |
AT505832B1 (de) * | 2008-09-18 | 2011-01-15 | Avl List Gmbh | Motorbremseinrichtung für eine brennkraftmaschine |
US8904767B2 (en) | 2008-10-31 | 2014-12-09 | Volvo Lastvagnar Ab | Method and apparatus for cold starting an internal combustion engine |
US8800531B2 (en) * | 2010-03-12 | 2014-08-12 | Caterpillar Inc. | Compression brake system for an engine |
DE102010011455A1 (de) * | 2010-03-15 | 2011-09-15 | Schaeffler Technologies Gmbh & Co. Kg | Hubkolbenbrennkraftmaschine mit einstellbarem Aufpumpelement |
DE102011118537A1 (de) | 2011-05-04 | 2012-11-08 | Man Truck & Bus Ag | Brennkraftmaschine mit mindestens einem Brennraum |
WO2013005070A1 (en) | 2011-07-06 | 2013-01-10 | Renault Trucks | Valve actuation mechanism and automotive vehicle comprising such a valve actuation |
JP6034498B2 (ja) * | 2012-09-25 | 2016-11-30 | ルノー・トラックス | 弁作動機構及びかかる弁作動機構を備えた自動車 |
KR101439035B1 (ko) | 2013-06-17 | 2014-09-05 | 현대자동차주식회사 | 차량의 가변 밸브 구동 장치 |
US9429051B2 (en) | 2013-11-25 | 2016-08-30 | Pacbrake Company | Compression-release engine brake system for lost motion rocker arm assembly and method of operation thereof |
US9752471B2 (en) | 2013-11-25 | 2017-09-05 | Pacbrake Company | Compression-release engine brake system for lost motion rocker arm assembly and method of operation thereof |
US20170022857A1 (en) * | 2014-04-03 | 2017-01-26 | Borgwarner Inc. | Locking cylinder pressure relief actuator |
US9194344B1 (en) | 2014-05-28 | 2015-11-24 | Electro-Motive Diesel, Inc. | Dual fuel engine having selective compression reduction |
KR101610540B1 (ko) | 2014-11-13 | 2016-04-20 | 현대자동차주식회사 | 배기 캠 비 연계형 엔진 브레이크를 보조 브레이크로 적용한 차량 및 보조 브레이크 제어방법 |
US9523291B2 (en) | 2015-03-18 | 2016-12-20 | Caterpillar Inc. | Valve actuation system having rocker-located hydraulic reservoir |
CN113123843B (zh) * | 2021-05-11 | 2022-07-29 | 浙江康和机械科技有限公司 | 制动摇臂组件及其装置和发动机 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809033A (en) * | 1972-07-11 | 1974-05-07 | Jacobs Mfg Co | Rocker arm engine brake system |
SE468132B (sv) * | 1989-12-01 | 1992-11-09 | Volvo Ab | Saett och anordning foer styrd upptagning av en foerbraenningsmotors ventilspel |
US5139497A (en) * | 1991-11-25 | 1992-08-18 | Timesh, Inc. | Orbital repair implant |
SE470363B (sv) * | 1992-06-17 | 1994-01-31 | Volvo Ab | Förfarande och anordning för motorbromsning med en flercylindrig förbränningsmotor |
SE501193C2 (sv) * | 1993-04-27 | 1994-12-05 | Volvo Ab | Avgasventilmekanism i en förbränningsmotor |
-
1995
- 1995-03-20 SE SE9500965A patent/SE504145C2/sv not_active IP Right Cessation
-
1996
- 1996-03-19 US US08/913,721 patent/US5890469A/en not_active Expired - Lifetime
- 1996-03-19 EP EP96907845A patent/EP0815355B1/en not_active Expired - Lifetime
- 1996-03-19 DE DE69612846T patent/DE69612846T2/de not_active Expired - Lifetime
- 1996-03-19 BR BR9607666A patent/BR9607666A/pt not_active IP Right Cessation
- 1996-03-19 JP JP52833696A patent/JP3942110B2/ja not_active Expired - Lifetime
- 1996-03-19 WO PCT/SE1996/000346 patent/WO1996029508A1/en active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017528646A (ja) * | 2014-09-18 | 2017-09-28 | イートン ソチエタ・レスポンサビリタ・リミタータEaton SRL | エンジン制動用のロッカアームアセンブリ |
US11225887B2 (en) | 2014-09-18 | 2022-01-18 | Eaton Intelligent Power Limited | Rocker arm assembly for engine braking |
JP2018519457A (ja) * | 2015-05-18 | 2018-07-19 | イートン ソチエタ・レスポンサビリタ・リミタータEaton SRL | アキュムレータとして作動するオイル放出弁を有するロッカアーム |
Also Published As
Publication number | Publication date |
---|---|
SE9500965L (sv) | 1996-09-21 |
US5890469A (en) | 1999-04-06 |
SE9500965D0 (sv) | 1995-03-20 |
EP0815355B1 (en) | 2001-05-16 |
JP3942110B2 (ja) | 2007-07-11 |
BR9607666A (pt) | 1998-06-16 |
DE69612846D1 (de) | 2001-06-21 |
EP0815355A1 (en) | 1998-01-07 |
SE504145C2 (sv) | 1996-11-18 |
WO1996029508A1 (en) | 1996-09-26 |
DE69612846T2 (de) | 2001-11-29 |
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