BR102012031927A8 - valve control device for an internal combustion engine - Google Patents

valve control device for an internal combustion engine

Info

Publication number
BR102012031927A8
BR102012031927A8 BR102012031927A BR102012031927A BR102012031927A8 BR 102012031927 A8 BR102012031927 A8 BR 102012031927A8 BR 102012031927 A BR102012031927 A BR 102012031927A BR 102012031927 A BR102012031927 A BR 102012031927A BR 102012031927 A8 BR102012031927 A8 BR 102012031927A8
Authority
BR
Brazil
Prior art keywords
control device
valve control
combustion engine
internal combustion
eccentric element
Prior art date
Application number
BR102012031927A
Other languages
Portuguese (pt)
Other versions
BR102012031927A2 (en
Inventor
Fuob Klaus
Wahl Michael
Original Assignee
Porsche 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 Porsche Ag filed Critical Porsche Ag
Publication of BR102012031927A2 publication Critical patent/BR102012031927A2/en
Publication of BR102012031927A8 publication Critical patent/BR102012031927A8/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
    • 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
    • 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
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • 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
    • 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
    • F01L2820/04—Sensors
    • F01L2820/041—Camshafts position or phase sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

dispositivo de comando de válvulas para um motor de combustão interna. a presente invenção refere-se a um dispositivo de comando de válvulas para um motor de combustão interna. o dispositivo de comando de válvulas apresenta uma árvore de cames básicas (1) bem como um primeiro elemento excêntrico (6), instalado, rotativamente fixo e axialmente deslizante, sobre a árvore de cames básica, assim como um segundo elemento excêntrico (11) instalado rotativamente fixo e axialmente deslizante sobre a árvore de cames básica (1). o dispositivo de comando de válvulas apresenta ainda uma unidade sendora (7). o primeiro elemento excêntrico (6) compreende, além disso, uma primeira roda do codificador (9) e o segundo elemento excêntrico (11) uma segunda roda do codificador (10). na árvore de cames básica (1) está instalada uma terceira roda do codificador (8), fixa rotativa e axialmente.valve control device for an internal combustion engine. The present invention relates to a valve control device for an internal combustion engine. the valve control device has a basic camshaft (1) as well as a first eccentric element (6) installed rotatably and axially sliding on the basic camshaft as well as a second eccentric element (11) installed rotatably fixed and axially sliding over the basic camshaft (1). The valve control device also has a sending unit (7). the first eccentric element (6) further comprises a first encoder wheel (9) and the second eccentric element (11) a second encoder wheel (10). In the basic camshaft (1) is installed a third encoder wheel (8), rotatably and axially fixed.

BR102012031927A 2011-12-21 2012-12-14 valve control device for an internal combustion engine BR102012031927A8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011056833.6A DE102011056833B4 (en) 2011-12-21 2011-12-21 Valve train device for an internal combustion engine

Publications (2)

Publication Number Publication Date
BR102012031927A2 BR102012031927A2 (en) 2014-07-29
BR102012031927A8 true BR102012031927A8 (en) 2018-05-22

Family

ID=48575155

Family Applications (1)

Application Number Title Priority Date Filing Date
BR102012031927A BR102012031927A8 (en) 2011-12-21 2012-12-14 valve control device for an internal combustion engine

Country Status (4)

Country Link
CN (1) CN103174486A (en)
BR (1) BR102012031927A8 (en)
DE (1) DE102011056833B4 (en)
RU (1) RU2526145C2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013221638A1 (en) * 2013-10-24 2015-04-30 Volkswagen Aktiengesellschaft Camshaft arrangement of a Hubkolbenrennkraftmaschine and reciprocating internal combustion engine with such a camshaft assembly
JP2015098819A (en) * 2013-11-19 2015-05-28 トヨタ自動車株式会社 Camshaft, cam angle detection device, and internal combustion engine
DE102014211195B4 (en) 2014-06-12 2016-03-24 Schaeffler Technologies AG & Co. KG Method for determining an axial position of a cam piece on a base camshaft of a valve train
DE102015104762B4 (en) * 2015-03-27 2021-02-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Motor vehicle with internal combustion engine which has an adjustable compression ratio
DE112016002045A5 (en) * 2015-05-05 2018-03-15 Volkswagen Aktiengesellschaft Valve drive device
DE102015012287A1 (en) 2015-09-23 2017-03-23 Audi Ag Valve train for an internal combustion engine
DE102015220602A1 (en) * 2015-10-22 2017-04-27 Schaeffler Technologies AG & Co. KG Gate section for a cam piece of a valve train
US10024206B2 (en) * 2016-05-24 2018-07-17 GM Global Technology Operations LLC Sliding camshaft
CN107664047B (en) * 2016-07-29 2019-11-15 上海汽车集团股份有限公司 Engine cam axis adjustment device, valve mechanism and engine
DE102016012197A1 (en) * 2016-10-12 2018-04-12 Daimler Ag Valve drive device
US10329971B2 (en) * 2017-03-07 2019-06-25 GM Global Technology Operations LLC Sliding camshaft barrel position sensing
CN108223047B (en) * 2017-06-09 2020-01-31 长城汽车股份有限公司 Valve mechanism, engine and vehicle
CN108561231B (en) * 2017-06-09 2020-09-04 长城汽车股份有限公司 Control strategy for continuously variable valve lift mechanism
CN111396166A (en) * 2020-04-16 2020-07-10 昆明云内动力股份有限公司 Cam displacement type variable valve lift system and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69716382T2 (en) * 1996-11-19 2003-06-12 Toyota Motor Co Ltd Variable valve control device in an internal combustion engine
RU2126892C1 (en) * 1997-06-02 1999-02-27 Щетинин Михаил Николаевич Method of active control of gas distribution in internal combustion engine and camshaft for its realization
US6135078A (en) * 1997-11-18 2000-10-24 Denso Corporation Variable valve timing control apparatus for an internal combustion engine
JP2001065371A (en) * 1999-08-24 2001-03-13 Toyota Motor Corp Variable valve system for internal combustion engine
DE102007037746B4 (en) * 2007-08-10 2022-06-15 Mercedes-Benz Group AG Internal combustion engine valve train switching device
DE102007054979A1 (en) 2007-11-17 2009-05-20 Daimler Ag Valve drive device
DE102008036462B4 (en) 2008-08-05 2023-12-14 Mercedes-Benz Group AG Valve drive device
DE102008049103A1 (en) 2008-09-26 2010-04-01 Daimler Ag Valve train device, particularly for internal combustion engine, has two cam elements which are axially adjusted by shifting gate, and sensor unit
DE102009014517B4 (en) 2009-03-23 2020-01-09 Audi Ag Valve train for gas exchange valves of an internal combustion engine with a displaceable camshaft sensor wheel

Also Published As

Publication number Publication date
CN103174486A (en) 2013-06-26
RU2012152601A (en) 2014-06-20
DE102011056833B4 (en) 2023-03-23
DE102011056833A1 (en) 2013-06-27
RU2526145C2 (en) 2014-08-20
BR102012031927A2 (en) 2014-07-29

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B03H Publication of an application: rectification [chapter 3.8 patent gazette]
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]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements