EP4004350C0 - Dispositif de commande de soupape variable assurant la fonction de freinage - Google Patents

Dispositif de commande de soupape variable assurant la fonction de freinage

Info

Publication number: EP4004350C0
Authority: EP; European Patent Office
Prior art keywords: variable valve; valve drive; engine braking; braking mode; engine
Prior art date: 2019-07-23
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.): Active

Application number

EP20743649.4A

Other languages

German (de)

English (en)

Other versions

EP4004350A1 (fr

EP4004350B1 (fr

Inventor

Thomas Malischewski

Steffen Hirschmann

Andreas Bug

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.)

MAN Truck and Bus SE

Original Assignee

MAN Truck and Bus SE

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.)

2019-07-23

Filing date

2020-07-17

Publication date

2025-11-19

2020-07-17 Application filed by MAN Truck and Bus SE filed Critical MAN Truck and Bus SE

2022-06-01 Publication of EP4004350A1 publication Critical patent/EP4004350A1/fr

2025-11-19 Application granted granted Critical

2025-11-19 Publication of EP4004350C0 publication Critical patent/EP4004350C0/fr

2025-11-19 Publication of EP4004350B1 publication Critical patent/EP4004350B1/fr

Status Active legal-status Critical Current

2040-07-17 Anticipated expiration legal-status Critical

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
- 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
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
- 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
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead 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
- 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
- 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
- F01L1/20—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
- F01L2001/2444—Details relating to the hydraulic feeding circuit, e.g. lifter oil manifold assembly [LOMA]
- 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
- 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
- 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
- F01L2307/00—Preventing the rotation of tappets
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/03—Auxiliary actuators
- F01L2820/031—Electromagnets

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Valve Device For Special Equipments (AREA)

EP20743649.4A 2019-07-23 2020-07-17 Dispositif de commande de soupape variable assurant la fonction de freinage Active EP4004350B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102019119870.4A DE102019119870A1 (de)	2019-07-23	2019-07-23	Variabler Ventiltrieb für einen Motorbremsmodus
PCT/EP2020/070265 WO2021013718A1 (fr)	2019-07-23	2020-07-17	Mécanisme de distribution variable pour un mode de freinage de moteur

Publications (3)

Publication Number	Publication Date
EP4004350A1 EP4004350A1 (fr)	2022-06-01
EP4004350C0 true EP4004350C0 (fr)	2025-11-19
EP4004350B1 EP4004350B1 (fr)	2025-11-19

Family

ID=71738129

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20743649.4A Active EP4004350B1 (fr)	2019-07-23	2020-07-17	Dispositif de commande de soupape variable assurant la fonction de freinage

Country Status (6)

Country	Link
US (1)	US12060815B2 (fr)
EP (1)	EP4004350B1 (fr)
CN (1)	CN114096743B (fr)
BR (1)	BR112022000636A2 (fr)
DE (1)	DE102019119870A1 (fr)
WO (1)	WO2021013718A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2617166A (en) *	2022-03-31	2023-10-04	Cummins Inc	Systems and methods for lash adjustment and cylinder deactivation for internal combustion engines
US20240346585A1 (en) *	2023-04-14	2024-10-17	Nowcasting.ai, Inc.	Multi-model, multi-stage approach to generating trading strategy
DE102023131238A1 (de)	2023-11-10	2025-05-15	Schaeffler Technologies AG & Co. KG	Schaltbarer Motorbremskipphebel für einen Ventiltrieb einer Schwerlastbrennkraftmaschine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3543537A1 (de) *	1985-12-10	1986-04-30	Rolf 4170 Geldern Bauer	Ventilsteuereinrichtung fuer hubkolbenmotore mit variablen steuerzeiten
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
JPH04109010A (ja)	1990-08-27	1992-04-10	Ntn Corp	可変バルブタイミング装置
US6925976B2 (en) *	2003-03-06	2005-08-09	Jenara Enterprises Ltd.	Modal variable valve actuation system for internal combustion engine and method for operating the same
US6837197B2 (en)	2003-03-19	2005-01-04	Eaton Corporation	Dual valve lift and valve deactivation
JP5089706B2 (ja) *	2006-12-12	2012-12-05	マックトラックスインコーポレイテッド	バルブ開放機構および方法
US7845324B2 (en) *	2008-01-16	2010-12-07	Gm Global Technology Operations, Inc.	Sliding-pivot locking mechanism for an overhead cam with multiple rocker arms
AT510529B1 (de) *	2010-09-23	2012-10-15	Avl List Gmbh	Viertakt-brennkraftmaschine mit einer motorbremse
DE102013215946A1 (de) *	2013-08-12	2015-02-12	Avl List Gmbh	Ventilbetätigungseinrichtung zur Veränderung des Ventilhubs
AT518933B1 (de) *	2016-07-20	2018-07-15	Avl List Gmbh	Brennkraftmaschine mit einer ventilbetätigungseinrichtung
WO2018063979A1 (fr) *	2016-09-28	2018-04-05	Cecil Adam C	Rattrapeur de jeu hydraulique excentrique destiné à être utilisé avec un frein à relâchement de compression
DE102017003081A1 (de) *	2017-03-31	2018-10-04	Man Truck & Bus Ag	Variabler Ventiltrieb mit Bremsnocken
AT519812B1 (de)	2017-04-05	2019-07-15	Avl List Gmbh	Mechanische Ventilbetätigungsvorrichtung
DE102017114575A1 (de)	2017-06-29	2019-01-03	Man Truck & Bus Ag	Variabler Ventiltrieb
DE102017118852A1 (de) *	2017-08-18	2019-02-21	Man Truck & Bus Ag	Kraftübertragungsvorrichtung für variablen Ventiltrieb
CN107842408B (zh) *	2017-11-16	2020-06-02	潍柴动力股份有限公司	一种可变气门升程机构、控制气门升程的方法及发动机
WO2020109550A1 (fr) *	2018-11-30	2020-06-04	Eaton Intelligent Power Limited	Ensemble dispositif de commande des soupapes

2019
- 2019-07-23 DE DE102019119870.4A patent/DE102019119870A1/de active Pending
2020
- 2020-07-17 BR BR112022000636A patent/BR112022000636A2/pt unknown
- 2020-07-17 WO PCT/EP2020/070265 patent/WO2021013718A1/fr not_active Ceased
- 2020-07-17 EP EP20743649.4A patent/EP4004350B1/fr active Active
- 2020-07-17 US US17/629,320 patent/US12060815B2/en active Active
- 2020-07-17 CN CN202080050455.8A patent/CN114096743B/zh active Active

Also Published As

Publication number	Publication date
CN114096743A (zh)	2022-02-25
WO2021013718A1 (fr)	2021-01-28
BR112022000636A2 (pt)	2022-03-29
DE102019119870A1 (de)	2021-01-28
US12060815B2 (en)	2024-08-13
EP4004350A1 (fr)	2022-06-01
US20220251978A1 (en)	2022-08-11
EP4004350B1 (fr)	2025-11-19
CN114096743B (zh)	2025-03-28

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