EP1860286A3 - Camshaft - Google Patents

Camshaft Download PDF

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Publication number
EP1860286A3
EP1860286A3 EP07106778A EP07106778A EP1860286A3 EP 1860286 A3 EP1860286 A3 EP 1860286A3 EP 07106778 A EP07106778 A EP 07106778A EP 07106778 A EP07106778 A EP 07106778A EP 1860286 A3 EP1860286 A3 EP 1860286A3
Authority
EP
European Patent Office
Prior art keywords
camshaft
inner shaft
outer shaft
shaft
phase adjuster
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
Application number
EP07106778A
Other languages
German (de)
French (fr)
Other versions
EP1860286A2 (en
EP1860286B1 (en
Inventor
Falk Schneider
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.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
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 Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP1860286A2 publication Critical patent/EP1860286A2/en
Publication of EP1860286A3 publication Critical patent/EP1860286A3/en
Application granted granted Critical
Publication of EP1860286B1 publication Critical patent/EP1860286B1/en
Expired - Fee Related legal-status Critical Current
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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • 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
    • F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
    • 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
    • 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
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F01L2001/34426—Oil control 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
    • F01L1/34—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
    • F01L2001/34426—Oil control valves
    • F01L2001/34433—Location oil control 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
    • F01L1/34—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
    • F01L2001/34486—Location and number of the means for changing the angular relationship
    • F01L2001/34493—Dual independent phasing system [DIPS]
    • 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
    • F01L2001/34486—Location and number of the means for changing the angular relationship
    • F01L2001/34496—Two phasers on different camshafts

Landscapes

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

Abstract

Die vorliegende Erfindung betrifft eine Nockenwelle (1) mit einer koaxial in einer Außenwelle (2) angeordneten Innenwelle (3), die verdrehbar gegen die Außenwelle (2) gelagert ist. Die Nockenwelle (1) weist einen ersten Phasenversteller (7) und einen zweiten Phasenversteller (8) auf, von denen der erste Phasenversteller (7) eine Phasenlage der Innenwelle (3) und damit der ersten Nocken relativ zu einem Antrieb, insbesondere einer Kurbelwelle, verstellt, während der zweite Phasenversteller (8) eine Phasenlage der Außenwelle (2) zum Antrieb verstellt. Sowohl der erste als auch der zweite Phasenversteller (7, 8) weisen dabei jeweils ein schaltbares Hydraulikventil (9, 10) auf, die beide innerhalb der Innenwelle (3) angeordnet sind.

Figure imgaf001
The present invention relates to a camshaft (1) with a coaxially in an outer shaft (2) arranged inner shaft (3) which is rotatably mounted against the outer shaft (2). The camshaft (1) has a first phase adjuster (7) and a second phaser (8), of which the first phase adjuster (7) has a phase angle of the inner shaft (3) and thus of the first cam relative to a drive, in particular a crankshaft, adjusted, while the second phase adjuster (8) adjusts a phase angle of the outer shaft (2) to the drive. Both the first and the second phaser (7, 8) each have a switchable hydraulic valve (9, 10), both of which are arranged within the inner shaft (3).
Figure imgaf001
EP07106778A 2006-05-27 2007-04-24 Camshaft Expired - Fee Related EP1860286B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006024793A DE102006024793A1 (en) 2006-05-27 2006-05-27 camshaft

Publications (3)

Publication Number Publication Date
EP1860286A2 EP1860286A2 (en) 2007-11-28
EP1860286A3 true EP1860286A3 (en) 2008-05-21
EP1860286B1 EP1860286B1 (en) 2010-03-03

Family

ID=38255028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07106778A Expired - Fee Related EP1860286B1 (en) 2006-05-27 2007-04-24 Camshaft

Country Status (3)

Country Link
US (1) US7536986B2 (en)
EP (1) EP1860286B1 (en)
DE (2) DE102006024793A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103375214B (en) * 2012-04-19 2016-09-28 马勒国际有限公司 Internal combustion engine

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8061318B2 (en) 2007-09-27 2011-11-22 GM Global Technology Operations LLC Method and apparatus for continuously variable differential phasing of engine valve operation
US8584634B2 (en) * 2008-09-19 2013-11-19 Borgwarner Inc. Phaser built into a camshaft or concentric camshafts
DE102009041873A1 (en) 2008-10-09 2010-04-15 Schaeffler Kg Camshaft adjuster for the inner camshaft of a concentric camshaft assembly
DE102009041755B4 (en) 2008-10-09 2019-02-21 Schaeffler Technologies AG & Co. KG Double independent adjustment system for independently adjusting the intake and exhaust cam lobes of a concentric camshaft assembly
JP4873194B2 (en) 2009-02-23 2012-02-08 三菱自動車工業株式会社 Engine with variable valve system
GB2472054B (en) * 2009-07-23 2013-02-27 Mechadyne Plc Phaser assembly for an internal combustion engine
US8590507B2 (en) * 2009-09-30 2013-11-26 GM Global Technology Operations LLC Variable valve actuation control systems and methods
DE102009049217A1 (en) * 2009-10-13 2011-04-28 Mahle International Gmbh Internal combustion engine with at least one camshaft
JP5093521B2 (en) * 2009-11-06 2012-12-12 三菱自動車工業株式会社 Variable valve operating device for internal combustion engine
DE102011001301B4 (en) 2011-03-16 2017-09-21 Hilite Germany Gmbh Schwenkmotorversteller
US8662039B2 (en) * 2011-03-16 2014-03-04 Delphi Technologies, Inc. Camshaft phaser with coaxial control valves
RU2560860C2 (en) 2011-03-31 2015-08-20 Тойота Дзидося Кабусики Кайся Phase changing device for camshaft
DE102011006691A1 (en) * 2011-04-04 2012-10-04 Schaeffler Technologies Gmbh & Co. Kg Phaser
DE102011116130A1 (en) * 2011-10-15 2013-04-18 Volkswagen Aktiengesellschaft Valve train for an internal combustion engine
DE102013221886A1 (en) 2013-10-28 2015-04-30 Borgwarner Inc. Internal combustion engine with a phaser and associated control method
CN104564206A (en) * 2015-01-23 2015-04-29 吉林大学 Cam-driven hydraulic fully variably valve mechanism of internal combustion engine
WO2016133782A1 (en) 2015-02-20 2016-08-25 Schaeffler Technologies AG & Co. KG Camshaft phaser
US10400638B2 (en) * 2017-12-01 2019-09-03 Schaeffler Technologies AG & Co. KG Camshaft phaser arrangement for a concentrically arranged camshaft assembly
US11193399B2 (en) 2018-11-27 2021-12-07 Borgwarner, Inc. Variable camshaft timing assembly
US10954829B2 (en) 2018-12-19 2021-03-23 Borgwarner, Inc. Oldham flexplate for concentric camshafts controlled by variable camshaft timing
US11280228B2 (en) 2020-07-07 2022-03-22 Borgwarner, Inc. Variable camshaft timing assembly
US11852054B2 (en) 2021-09-17 2023-12-26 Borgwarner Inc. Variable camshaft timing system
DE102022109291A1 (en) 2022-04-14 2023-10-19 Bayerische Motoren Werke Aktiengesellschaft Valve train for an internal combustion engine of a motor vehicle, internal combustion engine for a motor vehicle and motor vehicle
DE102022109243A1 (en) 2022-04-14 2023-10-19 Bayerische Motoren Werke Aktiengesellschaft Internal combustion engine for a motor vehicle and motor vehicle

Citations (6)

* Cited by examiner, † Cited by third party
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DE4024056C1 (en) * 1990-07-28 1991-09-19 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
EP0582846A1 (en) * 1992-08-13 1994-02-16 Bayerische Motoren Werke Aktiengesellschaft Internal combustion piston engine with gas exchange valves per cylinder
EP0644318A1 (en) * 1993-09-21 1995-03-22 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Variable valve drive
DE19526888A1 (en) * 1995-04-21 1997-01-23 Audi Ag Mechanism for discrete adjustment of phase position of two camshafts
GB2369175A (en) * 2000-11-18 2002-05-22 Mechadyne Plc Variable phase coupling
GB2432645A (en) * 2005-11-28 2007-05-30 Mechadyne Plc Variable phase drive coupling

Family Cites Families (6)

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DE4415524B4 (en) 1993-05-03 2005-02-24 Borgwarner Inc., Sterling Heights Valve control system for an internal combustion engine
US5417186A (en) * 1993-06-28 1995-05-23 Clemson University Dual-acting apparatus for variable valve timing and the like
US6904937B2 (en) * 2002-12-11 2005-06-14 Delphi Technologies, Inc. Switchable fluid control valve system
DE10330449B3 (en) 2003-07-05 2005-02-24 Daimlerchrysler Ag Camshaft adjuster for internal combustion engine has stator and first thrust washer bounding adjuster towards cam frictionally joined to camshaft by cylindrical surface
DE102004035035B4 (en) * 2003-07-24 2022-04-14 Daimler Ag Camshaft adjusters for internal combustion engines
DE10346448B4 (en) * 2003-10-07 2017-03-30 Daimler Ag Camshaft adjuster for an internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4024056C1 (en) * 1990-07-28 1991-09-19 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
EP0582846A1 (en) * 1992-08-13 1994-02-16 Bayerische Motoren Werke Aktiengesellschaft Internal combustion piston engine with gas exchange valves per cylinder
EP0644318A1 (en) * 1993-09-21 1995-03-22 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Variable valve drive
DE19526888A1 (en) * 1995-04-21 1997-01-23 Audi Ag Mechanism for discrete adjustment of phase position of two camshafts
GB2369175A (en) * 2000-11-18 2002-05-22 Mechadyne Plc Variable phase coupling
GB2432645A (en) * 2005-11-28 2007-05-30 Mechadyne Plc Variable phase drive coupling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103375214B (en) * 2012-04-19 2016-09-28 马勒国际有限公司 Internal combustion engine

Also Published As

Publication number Publication date
EP1860286A2 (en) 2007-11-28
US7536986B2 (en) 2009-05-26
EP1860286B1 (en) 2010-03-03
DE502007002976D1 (en) 2010-04-15
DE102006024793A1 (en) 2007-11-29
US20070272183A1 (en) 2007-11-29

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