EP1073830B1 - Nockenwellenversteller für brennkraftmaschinen - Google Patents
Nockenwellenversteller für brennkraftmaschinen Download PDFInfo
- Publication number
- EP1073830B1 EP1073830B1 EP99916918A EP99916918A EP1073830B1 EP 1073830 B1 EP1073830 B1 EP 1073830B1 EP 99916918 A EP99916918 A EP 99916918A EP 99916918 A EP99916918 A EP 99916918A EP 1073830 B1 EP1073830 B1 EP 1073830B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camshaft
- inner body
- relation
- outer body
- camshaft 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.)
- Expired - Lifetime
Links
Images
Classifications
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- 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
- F01L1/34—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
- 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
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- 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
- F01L2001/3443—Solenoid driven oil control valves
-
- 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 invention relates to a camshaft adjuster for internal combustion engines according to the preamble of claim 1.
- Camshaft adjusters are available as piston adjusters with axially displaceable Pistons (DE 40 29 849 C2, DE 196 11 365 A1 and DE 197 26 300 A1, Figure 1) as well as a wing adjuster with in Wings that can be acted upon and pivoted in the circumferential direction (DE 197 26 300 A1, Figures 7 to 10) known.
- the Camshaft adjuster in front extension of the camshaft via a central clamping screw.
- the camshaft is non-rotatable Inner body of the camshaft adjuster and its opposite the inner body rotatable over which the Drive connection to the crankshaft runs, on the clamping screw to lead, regardless of an independent centering of the inner body opposite the camshaft.
- This requires very tight tolerances, i.e. high manufacturing costs, and also leads through the overlay of several games radial guides to misalignment errors that affect the Impact concentricity and the vibration behavior can, such concentricity and misalignment errors there also make it difficult to control the spool over the housing side assigned, axially offset actuating magnet as an actuator with the smallest possible gap dimension from the spool operated anchor. Lead larger gaps but to increased power requirements and thus increased space requirements, considering the structural conditions of internal combustion engines for motor vehicles with regard to axial extension due to the camshaft adjuster is often unavailable.
- the invention is intended to provide a camshaft adjuster at the beginning be mentioned in such a way that a centering of the camshaft adjuster as good as possible through which the requirements for created a particularly simple and inexpensive production become.
- the invention Design with centering of the entire camshaft adjuster, including connecting the through the multi-way valve formed control device to the actuator, Particularly favorable conditions via the clamping screw for a largely tolerance-free centering without Excessive manufacturing requirements, with the best prerequisites for the best possible and vibration-free Concentricity and with the smallest possible required gap dimensions in the transition between control spool and actuator.
- the camshaft adjuster according to Figures 1 to 3 is a total designated 1 and in association with a camshaft 2 one Internal combustion engine 3 shown here only in its outline is indicated and at the end of the camshaft shown 2 associated end face a chain case 4 is provided is essentially only shown in its outline is. On this chain case 4 is in an axial extension Camshaft 2, and this opposite, the camshaft adjuster 1 assigned actuator 5 is provided, the is formed by a solenoid and from the outside the end face of the internal combustion engine 3 Chain case 4 is screwed on, as indicated at 5.
- the actuator 5 formed by an actuating magnet acts with the armature 7 of a spool 8 together in a Central screw is integrated as a clamping screw 9, via the the camshaft adjuster 1 on the front of the camshaft 2 is flanged, the clamping screw 9 with the control slide 8 of the camshaft adjuster 1 and the actuator 5 is coaxial with the camshaft 2.
- the outer body 111 has a radial distribution over its circumference inwardly projecting piston wings 13 on the part of the inner body 110 counter wings 14 are assigned, each two counter wings 14 delimit a ring sector 15 in which a Piston wing 13 of the outer body 111 lies, the outer body 111 with its piston wings 13 assigned to it, so to speak Vane rotor forms over the inner body 110 an angular range is adjustable by the counter wing 14 of a ring sector 15 is limited.
- Piston vanes delimit within the respective ring sector 15 13 and counter wing 14 each two working chambers 16, 17, the are hydraulically acted upon, controlled by the Control spool 8.
- the supply of pressure medium to the respective working chamber 16 and 17 is carried out in a manner not shown via a Bearing point of the camshaft 2 in the housing of the internal combustion engine and radial bores 20 in the camshaft 2.
- the annular collar 26 remote from the camshaft 2 also limits another, after the side remote from the camshaft 2 offset ring collar 28 a further annular space 29, the a radial connection bore and an axial bore 30 with the Receptacle 31 is connected via a the bottom side Limitation of the receptacle 31 through bore 32 and one radial, penetrating the centering collar 119 of the camshaft 2 Connection channel 33 opens into the chain case 4.
- the ring sectors containing the working chambers 16 and 17 are closed axially by the ring covers 134 and 135, the parts of the end faces of the inner body 110 and the outer body 111 cover and which over axial clamping screws 38 against the flat end faces of the inner body 110 and the Outer body 111 are held adjacent.
- a locking element 39 is provided in the form of a radial bolt, the spring-loaded towards the inner body 110 and which is assigned a detent opening 40 in the inner body 110 is.
- the latching opening 40 overlaps one the radial channel 41 opening out of the chamber 16, of an inner circumference of the inner body 110 provided annular groove 42.
- This annular groove 42 overlaps radial bores 43 in the guide forming the control slide 8, the recording 31 for the control slide 8 limiting axial wall Tensioning screw 9.
- the radial bore 20 supplied in the camshaft 2 pressure medium, the via the axial channels 21 and 22 into the annular space 25 of the control slide 8 arrives.
- the blocking element 39 is thereby shifted against the spring force, which over the Locking element 39 exercised locking and the outer body 111, based on the representation according to Figure 2 in a counterclockwise direction towards an early position of the camshaft 2 pivoted.
- the solenoid 5 as continuous controlling element, for example as a proportional magnet adjusted accordingly, i.e. by supply or Draining pressure medium to one or the other chamber 16 or 17 made the necessary adjustment.
- control slide goes 8 back to the starting position shown, in which the chamber 16 is connected to the return via the annular space 29, so that the chamber 16 empties and at the same time the the locking element 39 forming bolts by the spring force in its locked position can be moved.
- both end positions of the control slide 8 is the one that is not pressurized in each case Chamber open against the return.
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
Description
- Fig. 1
- in einer Schnittdarstellung gemäß Linie I-I in Fig. 2 einen Längsschnitt durch einen Nockenwellenversteller gemäß der Erfindung, teilweise schematisiert dargestellt, wobei der Nockenwellenversteller in Verlängerung zur Nockenwelle der in Einzelheiten nicht dargestellten Brennkraftmaschine angeordnet ist und von einem ebenfalls nur in seinen Umrissen angedeuteten, stirnseitig zur Brennkraftmaschine vorgesehenen Kettenkasten aufgenommen wird,
- Fig. 2
- einen Schnitt gemäß Linie II-II in Figur 1, in vereinfachter Darstellung, und
- Fig. 3
- eine weitgehend entsprechende, vergrößerte Darstellung des zentralen, den Steuerschieber umfassenden Bereiches des Nockenwellenverstellers gemäß Figur 1.
Claims (3)
- Nockenwellenversteller für Brennkraftmaschinen, der im Antrieb einer Nockenwelle (2) von der Kurbelwelle liegt und gegenüber der Nockenwelle (2) zentriert koaxial mit dieser zu verbinden ist, mit einem zur Nockenwelle (2) drehfesten Innenkörper (110), der von einer zentralen Spannschraube (9) durchsetzt und über diese axial gegen die Nockenwelle (2) verspannbar ist, einem gegenüber dem Innenkörper (110) verdrehbaren Außenkörper (111), über den die Antriebsverbindung zur Kurbelwelle läuft, einem Aufnahmeraum zwischen Innenkörper (110) und Außenkörper (111) für hydraulisch beaufschlagbare Stellmittel zur Verdrehung des Außenkörpers (111) gegenüber dem Innenkörper (110) und einer diesen Stellmitteln zugeordneten Steuereinrichtung mit einem Mehrwegeventil, das in die Spannschraube (9) integriert ist, die als Gehäuse eine axiale Aufnahme für einen zentral liegenden und axial verschiebbaren Steuerschieber (8) bildet,
dadurch gekennzeichnet, dass die Spannschraube (9) mit ihrem nockenwellenseitigen Ende in einen axialen Zentrierbund (119) der Nockenwelle (2) eingreift, über ihren Umfang gegen diesen zentriert ist und als den Nockenwellenversteller (1) gegen die Nockenwelle (2) zentrierendes Element den Innenkörper (110) trägt, dass Innenkörper (110) und Außenkörper (111) mit radial gegeneinander gerichteten und den Aufnahmeraum zwischen Innenkörper (110) und Außenkörper (111) in hydraulisch beaufschlagbare Arbeitskammern (16, 17) unterteilenden Kolbenflügeln (13, 14) versehen sind und dass Innenkörper (110) und Außenkörper (111) stirnseitig plan ausgebildet und über die Arbeitskammern (16, 17) seitlich begrenzende Ringdeckel (134, 135) flächig abgedeckt sind. - Nockenwellenversteller nach Anspruch 1,
dadurch gekennzeichnet, dass die Ringdeckel (134, 135) radial innen an den Zentrierbund (119) der Nockenwelle (2) anschließen. - Nockenwellenversteller nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass der Steuerschieber (8) mit dem Anker (7) eines gehäusefest angeordneten, einen Stellmagneten umfassenden Stellantriebes (5) verbunden ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19817319A DE19817319C2 (de) | 1998-04-18 | 1998-04-18 | Nockenwellenversteller für Brennkraftmaschinen |
DE19817319 | 1998-04-18 | ||
PCT/EP1999/002495 WO1999054599A1 (de) | 1998-04-18 | 1999-04-14 | Nockenwellenversteller für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1073830A1 EP1073830A1 (de) | 2001-02-07 |
EP1073830B1 true EP1073830B1 (de) | 2002-09-25 |
Family
ID=7865014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99916918A Expired - Lifetime EP1073830B1 (de) | 1998-04-18 | 1999-04-14 | Nockenwellenversteller für brennkraftmaschinen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6363896B1 (de) |
EP (1) | EP1073830B1 (de) |
DE (2) | DE19817319C2 (de) |
WO (1) | WO1999054599A1 (de) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19944535C1 (de) | 1999-09-17 | 2001-01-04 | Daimler Chrysler Ag | Nockenwellenversteller für Brennkraftmaschinen |
DE19958541A1 (de) * | 1999-12-04 | 2001-06-07 | Schaeffler Waelzlager Ohg | Vorrichtung zur Drehwinkelverstellung einer Nockenwelle |
US6481402B1 (en) * | 2001-07-11 | 2002-11-19 | Borgwarner Inc. | Variable camshaft timing system with pin-style lock between relatively oscillatable components |
DE10134320A1 (de) * | 2001-07-14 | 2003-01-23 | Ina Schaeffler Kg | Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, insbesondere Rotationskolben-Verstelleinrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle |
US20030033998A1 (en) * | 2001-08-14 | 2003-02-20 | Marty Gardner | Hybrid multi-position cam indexer having controls located in rotor |
DE10211468A1 (de) * | 2002-03-15 | 2003-09-25 | Daimler Chrysler Ag | Nockenwellenversteller für eine Brennkraftmaschine |
DE10211467A1 (de) | 2002-03-15 | 2003-09-25 | Daimler Chrysler Ag | Nockenwellerversteller |
US6745735B2 (en) * | 2002-04-19 | 2004-06-08 | Borgwarner Inc. | Air venting mechanism for variable camshaft timing devices |
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DE10233044A1 (de) * | 2002-07-20 | 2004-02-05 | Daimlerchrysler Ag | Vorrichtung zur relativen Drehwinkeländerung einer Welle zu einem Antriebsrad |
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DE10322394A1 (de) * | 2003-05-12 | 2004-12-02 | Hydraulik-Ring Gmbh | Nockenwellenversteller für Verbrennungskraftmaschinen von Kraftfahrzeugen |
DE10326886A1 (de) | 2003-06-14 | 2004-12-30 | Daimlerchrysler Ag | Nockenwellensteller für eine Brennkraftmaschine |
US20050056249A1 (en) * | 2003-07-24 | 2005-03-17 | Matthias Heinze | Camshaft adjustment control device |
DE102004035035B4 (de) | 2003-07-24 | 2022-04-14 | Daimler Ag | Nockenwellenversteller für Brennkraftmaschinen |
DE10346443A1 (de) | 2003-10-07 | 2005-05-04 | Daimler Chrysler Ag | Hydraulischer Nockenwellenversteller für eine Brennkraftmaschine |
DE10346447B4 (de) * | 2003-10-07 | 2007-06-21 | Daimlerchrysler Ag | Verfahren zur Befestigung eines Nockenwellenverstellers an einer Nockenwelle einer Brennkraftmaschine |
DE10346448B4 (de) | 2003-10-07 | 2017-03-30 | Daimler Ag | Nockenwellenversteller für eine Brennkraftmaschine |
US7255077B2 (en) * | 2003-11-17 | 2007-08-14 | Borgwarner Inc. | CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals |
EP1596040B1 (de) * | 2004-05-14 | 2010-10-13 | Schaeffler KG | Nockenwellenversteller |
DE102004025215A1 (de) * | 2004-05-22 | 2005-12-08 | Ina-Schaeffler Kg | Nockenwellenversteller |
DE102004041430A1 (de) | 2004-08-27 | 2006-03-09 | Daimlerchrysler Ag | Nockenwellenversteller |
DE102004057634B4 (de) * | 2004-11-30 | 2011-07-07 | hofer mechatronik GmbH, 72644 | Verfahren für eine Startphase einer Brennkraftmaschine |
DE102004057633B4 (de) * | 2004-11-30 | 2014-05-15 | Hofer Mechatronik Gmbh | Rückschlagventil für einen Nockenwellenversteller |
DE102005011441B4 (de) * | 2005-03-12 | 2011-02-17 | Hofer Mechatronik Gmbh | Nockenwellenversteller für Brennkraftmaschinen |
DE102005034275B4 (de) * | 2005-07-22 | 2018-02-15 | Daimler Ag | Nockenwellenstellventilvorrichtung |
DE102005034276A1 (de) | 2005-07-22 | 2007-01-25 | Daimlerchrysler Ag | Nockenwellenstellvorrichtung |
DE102005039460A1 (de) * | 2005-08-20 | 2007-02-22 | Daimlerchrysler Ag | Stellvorrichtung für eine Brennkraftmaschine, insbesondere Nockenwellenstellvorrichtung |
DE102005048732B4 (de) * | 2005-10-12 | 2024-07-25 | Schaeffler Technologies AG & Co. KG | Elektromagnetische Stelleinheit eines hydraulischen Wegeventils |
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DE112007002915B4 (de) * | 2006-12-04 | 2020-10-29 | Daimler Ag | Verstelleinrichtung zur Phaseneinstellung einer Nockenwelle |
DE102007004197A1 (de) | 2007-01-27 | 2008-07-31 | Schaeffler Kg | System zur Verstellung des Stellwinkels eines Nockenwellenverstellers |
DE102007020527A1 (de) | 2007-05-02 | 2008-11-06 | Schaeffler Kg | Nockenwellenversteller |
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DE102007020525A1 (de) | 2007-05-02 | 2008-11-06 | Schaeffler Kg | Nockenwellenversteller für eine Brennkraftmaschine mit integriertem Ventilschieber |
DE102007058491A1 (de) | 2007-12-05 | 2009-06-10 | Schaeffler Kg | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
DE102008030057B4 (de) | 2008-06-27 | 2018-01-25 | Hilite Germany Gmbh | Nockenwellenverstelleinrichtung |
DE202008018657U1 (de) | 2008-08-21 | 2017-11-20 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
DE102008039038B4 (de) | 2008-08-21 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
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EP2510200B1 (de) | 2009-12-11 | 2015-05-06 | Schaeffler Technologies AG & Co. KG | Schrittrotor für nockenwellenversteller |
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DE102012201573A1 (de) | 2012-02-02 | 2013-08-08 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
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DE102012210178B4 (de) | 2012-06-18 | 2016-05-19 | Schaeffler Technologies AG & Co. KG | Steuerventil eines Nockenwellenverstellers |
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DE102013100890B4 (de) | 2013-01-29 | 2018-05-17 | Hilite Germany Gmbh | Schwenkmotorversteller mit einer als Zentralventil ausgeführten Zentralschraube |
DE102014216119A1 (de) | 2013-08-22 | 2015-02-26 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren und Vorrichtung zum Wickeln einer Rückstellfeder mit einem zweiteiligen Rotor für einen Nockenversteller |
JP6295720B2 (ja) | 2014-02-27 | 2018-03-20 | アイシン精機株式会社 | 弁開閉時期制御装置 |
DE102014204566B4 (de) * | 2014-03-12 | 2021-05-12 | Schaeffler Technologies AG & Co. KG | Zentralventil für einen Nockenwellenversteller mit Mittenverriegelung |
US10072537B2 (en) | 2015-07-23 | 2018-09-11 | Husco Automotive Holdings Llc | Mechanical cam phasing system and methods |
JP6834381B2 (ja) | 2016-11-14 | 2021-02-24 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP6834382B2 (ja) | 2016-11-14 | 2021-02-24 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP6769253B2 (ja) | 2016-11-14 | 2020-10-14 | アイシン精機株式会社 | 弁開閉時期制御装置 |
CN108331632B (zh) | 2017-01-20 | 2021-12-28 | 胡斯可汽车控股有限公司 | 凸轮定相***和方法 |
US10900387B2 (en) | 2018-12-07 | 2021-01-26 | Husco Automotive Holdings Llc | Mechanical cam phasing systems and methods |
US11946394B2 (en) * | 2019-07-25 | 2024-04-02 | ECO Holding 1 GmbH | Method for producing a cam phaser and cam phaser |
DE102021128258A1 (de) | 2021-10-29 | 2023-05-04 | Schaeffler Technologies AG & Co. KG | Steuerventil |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4091776A (en) * | 1974-04-04 | 1978-05-30 | Rockwell International Corporation | Fluid actuated timing mechanism |
DE4029849C2 (de) | 1989-09-20 | 1994-06-30 | Atsugi Unisia Corp | Ventilsteuerzeiten-Einstellvorrichtung für Brennkraftmaschinen |
DE3937644A1 (de) * | 1989-11-11 | 1991-05-16 | Bayerische Motoren Werke Ag | Vorrichtung zur hydraulischen drehwinkelverstellung einer welle relativ zu einem antriebsrad, insbesondere nockenwelle fuer brennkraftmaschinen |
US5088456A (en) * | 1990-01-30 | 1992-02-18 | Atsugi-Unisia Corporation | Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position |
DE4116169A1 (de) | 1991-05-17 | 1992-11-19 | Bosch Gmbh Robert | Vorrichtung zur verstellung der drehwinkelzuordnung einer nockenwelle zu ihrem antriebselement |
DE4237193A1 (de) * | 1992-11-04 | 1994-05-05 | Bosch Gmbh Robert | Verfahren zur Ansteuerung einer Einrichtung zum relativen Verdrehen einer Welle und Einrichtung zum relativen Verdrehen der Welle einer Brennkraftmaschine |
DE19611365C2 (de) * | 1996-03-22 | 1999-09-23 | Daimler Chrysler Ag | Vorrichtung zur relativen Winkelverstellung einer Nockenwelle |
US5870983A (en) * | 1996-06-21 | 1999-02-16 | Denso Corporation | Valve timing regulation apparatus for engine |
-
1998
- 1998-04-18 DE DE19817319A patent/DE19817319C2/de not_active Expired - Lifetime
-
1999
- 1999-04-14 US US09/673,772 patent/US6363896B1/en not_active Expired - Lifetime
- 1999-04-14 WO PCT/EP1999/002495 patent/WO1999054599A1/de active IP Right Grant
- 1999-04-14 DE DE59902848T patent/DE59902848D1/de not_active Expired - Lifetime
- 1999-04-14 EP EP99916918A patent/EP1073830B1/de not_active Expired - Lifetime
Also Published As
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DE19817319C2 (de) | 2001-12-06 |
DE59902848D1 (de) | 2002-10-31 |
WO1999054599A1 (de) | 1999-10-28 |
US6363896B1 (en) | 2002-04-02 |
EP1073830A1 (de) | 2001-02-07 |
DE19817319A1 (de) | 1999-10-28 |
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