DE60231052D1 - Verfahren und system zum verbessern der motorbremsung durch variable ventilbetätigung - Google Patents

Verfahren und system zum verbessern der motorbremsung durch variable ventilbetätigung

Info

Publication number
DE60231052D1
DE60231052D1 DE60231052T DE60231052T DE60231052D1 DE 60231052 D1 DE60231052 D1 DE 60231052D1 DE 60231052 T DE60231052 T DE 60231052T DE 60231052 T DE60231052 T DE 60231052T DE 60231052 D1 DE60231052 D1 DE 60231052D1
Authority
DE
Germany
Prior art keywords
braking
valve
present
engine
variable 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.)
Expired - Lifetime
Application number
DE60231052T
Other languages
English (en)
Inventor
Zhou Yang
James F Egan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jacobs Vehicle Systems Inc
Original Assignee
Diesel Engine Retarders Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Diesel Engine Retarders Inc filed Critical Diesel Engine Retarders Inc
Application granted granted Critical
Publication of DE60231052D1 publication Critical patent/DE60231052D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • 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
    • F01L1/02—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
    • F01L1/34—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
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34446—Fluid accumulators for the feeding circuit
    • 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
    • F01L2760/00—Control of valve gear to facilitate reversing, starting, braking of four stroke engines
DE60231052T 2001-11-09 2002-03-20 Verfahren und system zum verbessern der motorbremsung durch variable ventilbetätigung Expired - Lifetime DE60231052D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/986,617 US6647954B2 (en) 1997-11-17 2001-11-09 Method and system of improving engine braking by variable valve actuation
PCT/US2002/008303 WO2003042522A1 (en) 2001-11-09 2002-03-20 Method and system of improving engine braking by variable valve actuation

Publications (1)

Publication Number Publication Date
DE60231052D1 true DE60231052D1 (de) 2009-03-19

Family

ID=25532601

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60231052T Expired - Lifetime DE60231052D1 (de) 2001-11-09 2002-03-20 Verfahren und system zum verbessern der motorbremsung durch variable ventilbetätigung

Country Status (6)

Country Link
US (1) US6647954B2 (de)
EP (1) EP1442204B1 (de)
JP (1) JP4383875B2 (de)
AT (1) ATE422023T1 (de)
DE (1) DE60231052D1 (de)
WO (1) WO2003042522A1 (de)

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US7007644B2 (en) 2003-12-04 2006-03-07 Mack Trucks, Inc. System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine
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WO2010129872A1 (en) * 2009-05-07 2010-11-11 Scuderi Group, Llc Air supply for components of a split-cycle engine
US8800531B2 (en) * 2010-03-12 2014-08-12 Caterpillar Inc. Compression brake system for an engine
WO2011159756A1 (en) 2010-06-18 2011-12-22 Scuderi Group, Llc Split-cycle engine with crossover passage combustion
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CA2813331A1 (en) 2010-10-01 2012-04-05 Scuderi Group, Inc. Split-cycle air hybrid v-engine
US8776740B2 (en) 2011-01-27 2014-07-15 Scuderi Group, Llc Lost-motion variable valve actuation system with cam phaser
JP2014503752A (ja) 2011-01-27 2014-02-13 スクデリ グループ インコーポレイテッド バルブ不作動化付ロストモーション可変バルブ作動システム
EP2677127B1 (de) * 2011-02-15 2017-11-15 Xi, Yong Verfahren und vorrichtung zur rückstellung des ventilhubs zur verwendung in einer motorbremse
EP2864600B1 (de) 2012-01-06 2018-08-08 Scuderi Group, Inc. Ventilbetätigungssystem mit variablem leerlauf
CN104321577B (zh) * 2012-02-23 2016-08-17 雅各布斯车辆系统公司 使用发动机制动机构用于排气门提前开启的发动机系统和操作方法
WO2014151845A1 (en) 2013-03-15 2014-09-25 Scuderi Group, Inc. Split-cycle engines with direct injection
US20150000630A1 (en) * 2013-06-26 2015-01-01 Caterpillar Inc. Rapid LNG Engine Warm-Up Utilizing Engine Compression Brakes
US9279350B2 (en) 2014-05-27 2016-03-08 Caterpillar Inc. Intake valve closure control for dual-fuel engines
US10513989B2 (en) 2015-09-01 2019-12-24 Jacobs Vehicle Systems, Inc. Method and apparatus for determining exhaust brake failure
US10132247B2 (en) 2015-09-01 2018-11-20 Jacobs Vehicle Systems, Inc. Method and apparatus for combined exhaust and compression release engine braking
EP3523527B2 (de) * 2016-10-06 2023-11-29 Volvo Truck Corporation Verfahren zur steuerung eines bremsdrehmoments des motors
US10641140B2 (en) 2017-05-12 2020-05-05 Caterpillar Inc. Hydraulic early engine exhaust valve opening system
JP6915149B2 (ja) * 2017-08-03 2021-08-04 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 向上したエンジン・ブレーキにおいて逆流を管理し、弁運動を順序付けるためのシステム及び方法
WO2019060131A1 (en) * 2017-09-22 2019-03-28 Cummins Inc. SWIVEL PUSHER OR ROLLER LINGUET FOR COMPRESSION RELEASE BRAKES
SE544784C2 (en) 2020-10-09 2022-11-15 Scania Cv Ab Variable Valve Timing Internal Combustion Engine

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JP2931099B2 (ja) 1991-11-29 1999-08-09 キャタピラー インコーポレイテッド エンジンバルブ着座速度緩衝油圧スナッバ
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US6125828A (en) * 1995-08-08 2000-10-03 Diesel Engine Retarders, Inc. Internal combustion engine with combined cam and electro-hydraulic engine valve control
WO1997006355A1 (en) 1995-08-08 1997-02-20 Diesel Engine Retarders, Inc. Internal combustion engines with combined cam and electro-hydraulic engine valve control
US5537976A (en) * 1995-08-08 1996-07-23 Diesel Engine Retarders, Inc. Four-cycle internal combustion engines with two-cycle compression release braking
US5829397A (en) 1995-08-08 1998-11-03 Diesel Engine Retarders, Inc. System and method for controlling the amount of lost motion between an engine valve and a valve actuation means
US5787859A (en) 1997-02-03 1998-08-04 Diesel Engine Retarders, Inc. Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine
US5809964A (en) 1997-02-03 1998-09-22 Diesel Engine Retarders, Inc. Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine
IT1291490B1 (it) * 1997-02-04 1999-01-11 C R F Societa Consotile Per Az Motore pluricilindrico a ciclo diesel con valvole ad azionamento variabile
KR20010031821A (ko) * 1997-11-04 2001-04-16 디이젤 엔진 리타더스, 인코포레이티드 공전 밸브 작동기 시스템
JP4047542B2 (ja) 1997-12-11 2008-02-13 ディーゼル エンジン リターダーズ，インコーポレイテッド エンジン弁作動システム
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US6394067B1 (en) * 1999-09-17 2002-05-28 Diesel Engine Retardersk, Inc. Apparatus and method to supply oil, and activate rocker brake for multi-cylinder retarding
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Also Published As

Publication number Publication date
JP4383875B2 (ja) 2009-12-16
EP1442204A1 (de) 2004-08-04
US6647954B2 (en) 2003-11-18
EP1442204A4 (de) 2006-04-19
US20020056435A1 (en) 2002-05-16
JP2005511940A (ja) 2005-04-28
EP1442204B1 (de) 2009-01-28
ATE422023T1 (de) 2009-02-15
WO2003042522A1 (en) 2003-05-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: JACOBS VEHICLE SYSTEMS INC., BLOOMFIELD, CONN., US