EP1994262A1 - Dispositif de reglage pour un arbre a cames - Google Patents

Dispositif de reglage pour un arbre a cames

Info

Publication number: EP1994262A1
Authority: EP; European Patent Office
Prior art keywords: friction lining; brake system; camshaft; adjusting device; friction
Prior art date: 2006-03-15
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

EP07712206A

Other languages

German (de)

English (en)

Other versions

EP1994262B1 (fr

Inventor

Frank Richter

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.)

ZF Friedrichshafen AG

Original Assignee

ZF Friedrichshafen 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.)

2006-03-15

Filing date

2007-02-12

Publication date

2008-11-26

2007-02-12 Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG

2008-11-26 Publication of EP1994262A1 publication Critical patent/EP1994262A1/fr

2009-12-23 Application granted granted Critical

2009-12-23 Publication of EP1994262B1 publication Critical patent/EP1994262B1/fr

Status Not-in-force legal-status Critical Current

2027-02-12 Anticipated expiration legal-status Critical

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
230000005540 biological transmission Effects 0.000 claims description 3
229910052799 carbon Inorganic materials 0.000 claims description 3
239000011248 coating agent Substances 0.000 claims description 2
238000000576 coating method Methods 0.000 claims description 2
238000004049 embossing Methods 0.000 claims description 2
238000002485 combustion reaction Methods 0.000 description 2
230000001419 dependent effect Effects 0.000 description 1
238000010008 shearing Methods 0.000 description 1
235000012773 waffles Nutrition 0.000 description 1

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
- F01L1/34—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
- F01L1/352—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 bevel or epicyclic gear
- 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
- 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
- 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
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/02—Lubrication
- 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
- F01L2820/01—Absolute values
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2101—Cams
- Y10T74/2102—Adjustable

Definitions

the present invention relates to an adjusting device for a camshaft, according to the preamble of patent claim 1.
the design of the adjusting device allows any phase angle between the drive element and the driven element.
the brake is designed as bermmungsios working, electromagnetic brake; Preferably, a hysteresis brake is used whose braking torque is independent of the speed.
the present invention is therefore based on the object to provide a Versfeilvortechnische for a camshaft, which is inexpensive to produce. This object is solved by the features of patent claim 1. Further embodiments and advantages of the invention will become apparent from the dependent claims,
an adjusting device for a camshaft comprising a braking system and an output side connected to the camshaft and the crankshaft drive side ⁇ berlagerungsgetriebe, wherein the superposition gear for adjusting the camshaft dissipates a part of the drive-side energy in the brake system, wherein the brake system is designed as a frictional braking system in which the required braking force is generated via a friction lining in permanent slip.
the adjusting device according to the invention has an additional mechanical lock.
a phase adjustment between the drive-side sprocket or pulley and the output-side cam lobe can be made or a phase position once set can be held in position.
the reibschl ⁇ ssige brake system is designed as an electromagnetically actuated friction system.
the superposition gear can be designed as a planetary gear or ais gear with two Clarfimratorn and a two-stage planet, with any form of superposition gear is suitable for use in the system according to the invention.
the reibschl ⁇ ssige brake system with additional mechanical locking of the adjustment device comprises an electrically actuated shift coil 1, which has a friction surface 8, a magnetic Reibbeiag 2 with a locking element 6 and a spring 3, wherein the locking element 6 with a drive-side element 5 of Matteriage- gearing 7 cooperates.
the friction lining 2 is axially movable but rotationally fixed to a spur gear 4 of the superimposed ngsgetriebes 7.
the superposition gear 7 is designed as a gearbox with two sunstones 4, 9 and a two-stage planet 10.
the camshaft is rotatably connected to the second spur gear 9 of the superposition gear 7; the drive is connected to the planet carrier.
the superposition gear 7 as Pianetengetriebe it is advantageous to arrange the friction lining 2 on the sun teeth;
the camshaft is connected to the ring gear.
the required phase angle can be adjusted and maintained via a planetary gear set or other ⁇ berlagerungsge ⁇ be.
the friction lining 2 is oil-filled; This can be done either from the outside ⁇ Qlnebel, etc.) or from the middle of the camshaft.
the friction lining 2 can be used as a paper covering with special embossing, comprising e.g. Radial grooves with waffle pattern, or be designed as a carbon coating. In the version as a carbon lining this can have a covering thickness of about 0.05 mm.
a Carbonbeiag has the advantage that the wear is very low.
the braking torque can also be generated via a mixed friction.

Landscapes

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

EP07712206A 2006-03-15 2007-02-12 Dispositif de reglage pour un arbre a cames Not-in-force EP1994262B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102006011806A DE102006011806A1 (de)	2006-03-15	2006-03-15	Verstellvorrichtung für eine Nockenwelle
PCT/EP2007/051306 WO2007104620A1 (fr)	2006-03-15	2007-02-12	Dispositif de reglage pour un arbre a cames

Publications (2)

Publication Number	Publication Date
EP1994262A1 true EP1994262A1 (fr)	2008-11-26
EP1994262B1 EP1994262B1 (fr)	2009-12-23

Family

ID=38069093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07712206A Not-in-force EP1994262B1 (fr)	2006-03-15	2007-02-12	Dispositif de reglage pour un arbre a cames

Country Status (7)

Country	Link
US (1)	US7841312B2 (fr)
EP (1)	EP1994262B1 (fr)
JP (1)	JP4921493B2 (fr)
KR (1)	KR101311689B1 (fr)
AT (1)	ATE453041T1 (fr)
DE (2)	DE102006011806A1 (fr)
WO (1)	WO2007104620A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102006028554B4 (de)	2006-06-22	2018-03-08	Daimler Ag	Verstelleinrichtung
DE102008043672A1 (de)	2008-11-12	2010-05-20	Zf Friedrichshafen Ag	Ventiltrieb eines Verbrennungskolbenmotors
DE102008043673A1 (de)	2008-11-12	2010-05-20	Zf Friedrichshafen Ag	Verstellsystem für Nockenwellen einer Brennkraftmaschine
DE102008043671A1 (de)	2008-11-12	2010-05-20	Zf Friedrichshafen Ag	Verstellsystem für Nockenwellen einer Brennkraftmaschine
DE102009026626A1 (de)	2009-06-02	2010-12-09	Zf Friedrichshafen Ag	Kupplung oder Bremse in oder an einem Getriebe
DE102010039426A1 (de)	2010-08-18	2012-02-23	Zf Friedrichshafen Ag	Ventiltrieb eines Verbrennungskolbenmotors
DE102010039861A1 (de)	2010-08-27	2012-03-01	Zf Friedrichshafen Ag	Ventiltrieb eines Verbrennungskolbenmotors
DE102012203984A1 (de)	2012-03-14	2013-09-19	Zf Friedrichshafen Ag	Vorrichtung zur Verstellung einer Nockenwelle eines Verbrennungsmotors
DE102020120618A1 (de)	2020-08-05	2022-02-10	Schaeffler Technologies AG & Co. KG	Anordnung zur Verstellung einer Nockenwelle zur variablen Ventilsteuerung einer Brennkraftmaschine und Verfahren zum Betrieb einer Anordnung zur Verstellung einer Nockenwelle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0211809A (ja)	1988-06-29	1990-01-16	Aisin Seiki Co Ltd	弁開閉時期制御装置
JP3785670B2 (ja) *	1996-03-18	2006-06-14	マツダ株式会社	可変バルブタイミング装置
JP2001107712A (ja)	1999-08-03	2001-04-17	Unisia Jecs Corp	内燃機関のバルブタイミング制御装置
JP4072346B2 (ja)	2002-01-16	2008-04-09	株式会社日立製作所	可変バルブタイミング機構の制御装置
JP3986371B2 (ja) *	2002-06-07	2007-10-03	株式会社日立製作所	内燃機関のバルブタイミング制御装置
DE10355560A1 (de)	2003-11-28	2005-08-11	Daimlerchrysler Ag	Verstellvorrichtung für eine Nockenwelle einer Brennkraftmaschine
DE102004033894B4 (de)	2004-07-14	2009-02-12	Daimler Ag	Nockenwellenverstelleinrichtung

2006
- 2006-03-15 DE DE102006011806A patent/DE102006011806A1/de not_active Withdrawn
2007
- 2007-02-12 EP EP07712206A patent/EP1994262B1/fr not_active Not-in-force
- 2007-02-12 WO PCT/EP2007/051306 patent/WO2007104620A1/fr not_active Ceased
- 2007-02-12 AT AT07712206T patent/ATE453041T1/de active
- 2007-02-12 JP JP2008558747A patent/JP4921493B2/ja not_active Expired - Fee Related
- 2007-02-12 US US12/282,380 patent/US7841312B2/en not_active Expired - Fee Related
- 2007-02-12 DE DE502007002410T patent/DE502007002410D1/de active Active
- 2007-02-12 KR KR1020087018114A patent/KR101311689B1/ko not_active Expired - Fee Related

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007104620A1 *

Also Published As

Publication number	Publication date
JP2009529623A (ja)	2009-08-20
US20090095124A1 (en)	2009-04-16
KR20080104264A (ko)	2008-12-02
JP4921493B2 (ja)	2012-04-25
DE102006011806A1 (de)	2007-10-04
US7841312B2 (en)	2010-11-30
WO2007104620A1 (fr)	2007-09-20
EP1994262B1 (fr)	2009-12-23
KR101311689B1 (ko)	2013-09-25
DE502007002410D1 (de)	2010-02-04
ATE453041T1 (de)	2010-01-15

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