BR112015029560A2 - system for performing an engine braking procedure based on decompression events for 4 stroke cycle engine - Google Patents

system for performing an engine braking procedure based on decompression events for 4 stroke cycle engine

Info

Publication number
BR112015029560A2
BR112015029560A2 BR112015029560A BR112015029560A BR112015029560A2 BR 112015029560 A2 BR112015029560 A2 BR 112015029560A2 BR 112015029560 A BR112015029560 A BR 112015029560A BR 112015029560 A BR112015029560 A BR 112015029560A BR 112015029560 A2 BR112015029560 A2 BR 112015029560A2
Authority
BR
Brazil
Prior art keywords
engine
decompression
procedure based
stroke
braking procedure
Prior art date
Application number
BR112015029560A
Other languages
Portuguese (pt)
Other versions
BR112015029560B1 (en
Inventor
Fessler Harald
Original Assignee
Fpt Motorenforschung Ag
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 Fpt Motorenforschung Ag filed Critical Fpt Motorenforschung Ag
Publication of BR112015029560A2 publication Critical patent/BR112015029560A2/en
Publication of BR112015029560B1 publication Critical patent/BR112015029560B1/en

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
    • F01L1/02—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
    • 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
    • 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
    • F02D13/0273—Multiple actuations of a valve within an engine cycle
    • 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
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

resumo da patente de invenção para: “sistema para realizar um procedimento de frenagem de motor baseado em eventos de descompressão para motor de ciclo de 4 cursos”. sistema para realizar um procedimento de frenagem de motor baseado em eventos de descompressão para um motor de ciclo de 4 cursos, o motor compreendendo pelo menos um cilindro tendo um tubo de entrada e um tubo de saída, válvulas de entrada e de saída de cilindro e meios de controle para controlar o deslocamento de ditas válvulas de cilindro. o sistema realiza uma primeira fase de descompressão (b-ii) seguida por um primeiro evento de descompressão (b-ii’) e, em sucessão, uma fase de sucção (b-iii) a partir do tubo de entrada e uma segunda fase de descompressão (b-iv) seguida por um segundo evento de descompressão (b-iv’). o sistema proposto pretende realizar uma frenagem de motor semelhante a 2 cursos para um motor de 4 cursos por um perfil de levantamento de escape especial em combinação com a entrada padronizada deste motor de 4 cursos.patent summary for: system for performing an engine braking procedure based on decompression events for a 4-stroke cycle engine. system for performing an engine braking procedure based on decompression events for a 4-stroke cycle engine, the engine comprising at least one cylinder having an inlet tube and an outlet tube, cylinder inlet and outlet valves, and control means for controlling the displacement of said cylinder valves. the system performs a first decompression stage (b-ii) followed by a first decompression event (b-ii) and, in succession, a suction stage (b-iii) from the inlet pipe and a second stage decompression event (b-iv) followed by a second decompression event (b-iv). the proposed system aims to achieve similar 2-stroke engine braking to a 4-stroke engine by a special exhaust lift profile in combination with the standardized input of this 4-stroke engine.

BR112015029560-6A 2013-05-27 2014-05-27 METHOD FOR CARRYING OUT A ENGINE BRAKING PROCEDURE BASED ON DECOMPRESSION EVENTS FOR A 4-STROKE CYCLE ENGINE, DEVICE FOR CARRYING OUT SUCH PROCEDURE, AND CONTROL MEANS BR112015029560B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13169302.0 2013-05-27
EP13169302.0A EP2808503A1 (en) 2013-05-27 2013-05-27 System for performing an engine braking procedure based on decompression events for a 4-stroke cycle engine
PCT/EP2014/060903 WO2014191385A1 (en) 2013-05-27 2014-05-27 System for performing an engine braking procedure based on decompression events for a 4-stroke cycle engine

Publications (2)

Publication Number Publication Date
BR112015029560A2 true BR112015029560A2 (en) 2017-07-25
BR112015029560B1 BR112015029560B1 (en) 2022-07-05

Family

ID=48534201

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015029560-6A BR112015029560B1 (en) 2013-05-27 2014-05-27 METHOD FOR CARRYING OUT A ENGINE BRAKING PROCEDURE BASED ON DECOMPRESSION EVENTS FOR A 4-STROKE CYCLE ENGINE, DEVICE FOR CARRYING OUT SUCH PROCEDURE, AND CONTROL MEANS

Country Status (5)

Country Link
EP (2) EP2808503A1 (en)
CN (1) CN105392970B (en)
BR (1) BR112015029560B1 (en)
ES (1) ES2662585T3 (en)
WO (1) WO2014191385A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600130806A1 (en) 2016-12-23 2018-06-23 Fpt Motorenforschung Ag METHOD TO PERFORM A HEATING OF A POST-TREATMENT SYSTEM OF AN INTERNAL COMBUSTION ENGINE AND THE INTERNAL COMBUSTION ENGINE PREPARED TO IMPLEMENT THE METHOD
DE102017003081A1 (en) 2017-03-31 2018-10-04 Man Truck & Bus Ag Variable valve train with brake cam
DE102018105359A1 (en) * 2018-03-08 2019-09-12 Man Truck & Bus Ag Variable valve train with sliding cam system for an internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB307753A (en) * 1928-03-12 1930-06-11 Motorwagenfabrik Berna A.G.
US4512154A (en) * 1971-09-22 1985-04-23 Takahiro Ueno Method for driving a vehicle driven by an internal combustion engine
IT1182480B (en) 1985-07-02 1987-10-05 Fiat Auto Spa TAPPING SYSTEM FOR INTERNAL COMBUSTION ENGINES EQUIPPED WITH SHAFTS WITH VARIABLE PROFILE CAMS
EP1581724B1 (en) * 2002-12-23 2008-02-13 Jacobs Vehicle Systems Inc. Engine braking methods and apparatus
DE102004006681A1 (en) * 2004-02-06 2005-08-25 Daimlerchrysler Ag Engine braking system for combustion engines comprises opening inlet valves during piston positioning in the region of the lower dead point and closing after the lower dead point, and passing compressed air into the outlet of the engine
DE102006005336A1 (en) * 2006-02-07 2007-08-09 Daimlerchrysler Ag Internal combustion engine
CN201241740Y (en) * 2008-08-07 2009-05-20 俞黎明 Oscillating beam integrated type brake device of four-stroke internal combustion engine

Also Published As

Publication number Publication date
EP3004575A1 (en) 2016-04-13
CN105392970A (en) 2016-03-09
EP2808503A1 (en) 2014-12-03
WO2014191385A1 (en) 2014-12-04
ES2662585T3 (en) 2018-04-09
BR112015029560B1 (en) 2022-07-05
CN105392970B (en) 2017-10-03
EP3004575B1 (en) 2017-12-13

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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