EP1596040A3 - Camshaft phaser - Google Patents

Camshaft phaser Download PDF

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Publication number
EP1596040A3
EP1596040A3 EP05005812A EP05005812A EP1596040A3 EP 1596040 A3 EP1596040 A3 EP 1596040A3 EP 05005812 A EP05005812 A EP 05005812A EP 05005812 A EP05005812 A EP 05005812A EP 1596040 A3 EP1596040 A3 EP 1596040A3
Authority
EP
European Patent Office
Prior art keywords
camshaft
camshaft phaser
pressure medium
collar
medium distributor
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
EP05005812A
Other languages
German (de)
French (fr)
Other versions
EP1596040B1 (en
EP1596040A2 (en
Inventor
Andreas Strauss
Viktor Lichtenwald
Andreas Röhr
Jochen Auchter
Jens Hoppe
Rainer Ottersbach
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34934322&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1596040(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schaeffler KG filed Critical Schaeffler KG
Publication of EP1596040A2 publication Critical patent/EP1596040A2/en
Publication of EP1596040A3 publication Critical patent/EP1596040A3/en
Application granted granted Critical
Publication of EP1596040B1 publication Critical patent/EP1596040B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01L1/3442—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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • 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
    • F01L2001/0475—Hollow 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
    • 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

Abstract

Die Erfindung betrifft eine Vorrichtung zum Verändern der Steuerzeiten einer Brennkraftmaschine (Nockenwellenversteller (1)) mit einem innerhalb einer Nockenwelle (11) angeordneten Druckmittelverteiler (21). Es wird vorgeschlagen, dass der Druckmittelverteiler (21) an seinem stirnseitigen Ende mit einem sich radial erstreckenden Bund (42) versehen ist, wobei dieser Bund (42) ein Teil der Nockenwellenaxiallagerung bildet.

Figure imgaf001
The invention relates to a device for changing the control times of an internal combustion engine (camshaft adjuster (1)) with a pressure medium distributor (21) arranged within a camshaft (11). It is proposed that the pressure medium distributor (21) at its front end with a radially extending collar (42) is provided, said collar (42) forms part of the camshaft bearing.
Figure imgaf001
EP05005812A 2004-05-14 2005-03-17 Camshaft phaser Active EP1596040B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004023976 2004-05-14
DE102004023976 2004-05-14

Publications (3)

Publication Number Publication Date
EP1596040A2 EP1596040A2 (en) 2005-11-16
EP1596040A3 true EP1596040A3 (en) 2008-08-27
EP1596040B1 EP1596040B1 (en) 2010-10-13

Family

ID=34934322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05005812A Active EP1596040B1 (en) 2004-05-14 2005-03-17 Camshaft phaser

Country Status (6)

Country Link
US (2) US7243626B2 (en)
EP (1) EP1596040B1 (en)
JP (1) JP4563859B2 (en)
KR (1) KR101179420B1 (en)
CN (2) CN1696476B (en)
DE (1) DE502005010369D1 (en)

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DE102009051559A1 (en) 2009-10-31 2011-05-05 Schaeffler Technologies Gmbh & Co. Kg Rotary piston adjuster for internal combustion engine of motor vehicle, has outer rotor and inner rotor which is rotatably connected with camshaft, and outer rotor is brought in drive connection with crankshaft
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DE102009054052B4 (en) 2009-11-20 2018-08-23 Schaeffler Technologies AG & Co. KG Switchable device for pressure supply
DE102009054053A1 (en) 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Pressure reservoir for hydraulic system, has housing, movable element and energy storage, where movable element is arranged within housing
DE102009054051A1 (en) 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Switchable device for pressure supply with passive additional pressure accumulator
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DE10102767A1 (en) * 2001-01-23 2002-07-25 Volkswagen Ag Control drive for valves in IC engines esp. Otto engines for motor vehicles has hydraulic camshaft adjuster between two camshaft halve sections, formed as axial bearing for sections
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Also Published As

Publication number Publication date
CN1696475A (en) 2005-11-16
KR20060047845A (en) 2006-05-18
CN1696476A (en) 2005-11-16
US20070204824A1 (en) 2007-09-06
JP2005325836A (en) 2005-11-24
US7243626B2 (en) 2007-07-17
KR101179420B1 (en) 2012-09-03
DE502005010369D1 (en) 2010-11-25
CN1696476B (en) 2011-06-08
JP4563859B2 (en) 2010-10-13
US7597076B2 (en) 2009-10-06
CN1696475B (en) 2011-01-05
EP1596040B1 (en) 2010-10-13
US20050252467A1 (en) 2005-11-17
EP1596040A2 (en) 2005-11-16

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