EP1387047A2 - Schwenkmotor für eine Nockenwellenverstelleinrichtung - Google Patents
Schwenkmotor für eine Nockenwellenverstelleinrichtung Download PDFInfo
- Publication number
- EP1387047A2 EP1387047A2 EP03014026A EP03014026A EP1387047A2 EP 1387047 A2 EP1387047 A2 EP 1387047A2 EP 03014026 A EP03014026 A EP 03014026A EP 03014026 A EP03014026 A EP 03014026A EP 1387047 A2 EP1387047 A2 EP 1387047A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- stator
- motor according
- swing motor
- side surfaces
- 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
Links
Images
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
- 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
- F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
Definitions
- the invention relates to a swivel motor for a camshaft adjusting device according to the preamble of claim 1.
- Swing motors for camshaft adjustment devices have one Stator and a rotor, which are arranged coaxially to each other and each have wings. The end of the rotor blades are in contact the stator inner wall and can be between two neighboring ones Stator wings are moved, with their end faces on one Fit the main body of the rotor in a sealing manner. Divide the rotor blades the pressure chamber located between two stator blades in two pressure chambers. Depending on the exposure to the print medium the rotor is rotated relative to the stator in one of the pressure chambers. The rotor sits rotatably on the camshaft, which is on this Way is adjusted relative to the crankshaft to the opening duration the gas exchange valves of an internal combustion engine to each of the Adjust engine power output. Between the front The rotor blade and the inner wall of the stator occur during operation of the Swivel motor to leakage, causing the operation of the Swivel motor is affected.
- the invention has for its object the generic Train swivel motor so that the leakage losses at least be kept low and the swivel motor over its service life allows a perfect adjustment of the camshaft.
- a special Training of the rotor blades achieved that the gap length between the Front side of the rotor blades and the stator inner wall is enlarged, without the pivot angle of the rotor relative to the stator for a given size of the swivel motor according to the invention is affected. Because of the large width of the radially outer Area of the rotor blades is the gap length between the end face of the rotor blade and the inner wall of the stator, causing the Sealing between the two pressure chambers is optimized.
- the Swivel motor according to the invention therefore only has one at most low leakage, so that the functional limits of the camshaft adjusting device be expanded.
- the swivel motor is used in a camshaft adjustment device used in motor vehicles for targeted adjustment of the opening time used by gas exchange valves of the internal combustion engine becomes.
- camshaft adjusters and related ones Swing motors are known and therefore are not explained in more detail.
- the swivel motor according to the prior art (Fig. 10) has one Stator 1, which has a cylindrical housing 2, which at one end through a bottom 3 and at the other end by a patch (not shown) lid is closed.
- the stator 1 is drive-connected to a chain wheel 4, via which a (not shown) Chain of the camshaft adjusting device is guided.
- a chain wheel 4 via which a (not shown) Chain of the camshaft adjusting device is guided.
- the wings 6 are in one piece formed with the housing 2. Between neighboring wings 6 pressure spaces 7 are formed, preferably in the pressure medium Hydraulic oil is introduced.
- the housing base 3 and the end cover (not shown) have a central opening through which a (not shown) Camshaft protrudes on which a rotor 8 sits in a rotationally fixed manner. It has a cylindrical one Base body 9, from which radially outwardly project wings 10. They are advantageously formed in one piece with the base body 9 and have the same shape.
- the wings 10 lie with their end faces 11 flat against the inner wall 5 of the stator housing 2.
- the Stator blades 6 lie with their end faces 12 flat on the cylindrical Shell surface 13 of the base body 9.
- it is Pressure medium in the pressure chambers 15 under pressure. That in the Pressure chambers 14 located medium is when turning the rotor 8 displaced relative to the stator 1 in a known manner towards the tank. If the rotor 8 is to be turned counterclockwise, the pressure chambers 15 are relieved and that in the pressure chambers 14 pressure medium located under pressure.
- at least one corresponding valve is provided.
- the pressure rooms and 15 must be reliably sealed against each other be so that the rotor 8 reliably in its respective end position comes to rest on the side walls of the stator blades 6 and that the rotor reliably move to any intermediate position and can hold.
- the end faces 11 of the rotor blades 10 are in the direction of rotation relatively short, so that the leakage through the sealing gap 16 between the inner wall 5 of the stator housing 2 and the End faces 11 of the rotor blades 10 is relatively high.
- this gap length 16 is increased without the pivoting or Angle of rotation of the rotor 8 relative to the stator 8 without structural enlargement to reach the swivel motor, the rotor blades 10 in their radially outer region widened (Fig. 1 and 2).
- This widened region 17 extends in the exemplary embodiment about half the radial length of the rotor blades 10.
- the to the Base body 9 adjoining, radially inner region 18 of the rotor blade compared to the radially outer, widened region 17 much narrower.
- the width of the area 17 in the area of Front side 11 is approximately one and a half to three times the width of the radially inner region 18.
- the widened wing region 17 is made up of two planes that run radially outwards Side walls 19 and 20 limited by the continuously curved Face 11 are interconnected.
- the two side faces 21, 22 run in the radial direction and parallel to one another and go into the side walls 19, 20 at an obtuse angle.
- the stator blades 6 are adapted to the shape of the rotor blades 10.
- the Stator blades 6 have on the inner wall 5 of the stator housing 2 Sidewalls 23, 24 adjoining at an acute angle, on which the rotor blades 10 in the respective end position with the side walls 19, 20 of their widened section 17 (FIG. 1). Accordingly the side walls 23, 24 of the stator blades 6 diverge radially inside.
- the side walls 23, 24 are flat and go obtuse angles in flat side walls 25, 26 on which the Rotor blades 10 with their side surfaces 21, 22 in the respective end position lie flat.
- the stator blade 6 is provided with a groove-shaped depression 27, 28, which serves as a dirt bag in which the Swing motor dirt particles in the hydraulic medium to be ousted. These depressions 27, 28 thus prevent that the dirt particles between the side walls the rotor blade 10 and the stator blade 6 can fix. Thereby it is ensured that the rotor blades 10 in the respective end position reliably rest on the side walls of the stator blades 6.
- a recess 29, 30 is provided. This ensures that in the Stop position between the rotor blades 10 and the stator blades 6 9 spaces remain in the area of the rotor base body, into which the print medium can get around the rotor 8 clockwise to be able to rotate relative to the stator 1.
- the rotor blades 8 protrude with the transition area 31, 32 (Fig. 2) between the end faces 11 and the Side walls 19, 20 in the respective stop position partially in the depressions 27, 28 in the area of the housing inner wall 5. This contributes to the fact that the rotor 8 despite widening its radially outer Section 17 by a relatively large pivot angle can be rotated relative to the stator 1.
- the rotor blades are 10 also widened in the circumferential direction in the radially outer region 17 formed, while the radially inner region 18, the connects the base body 9, relatively narrow is.
- the flat side walls 21, 22 of the inner section 18 go continuously curved in the flat side walls 19, 20 of the radial outer area 17 of the rotor blades 10 over.
- widened area 17 of the rotor blades 10 smaller radial width than in the previous embodiment. Because of this design can the widened region 17 is formed even longer in the circumferential direction be as in the embodiment of FIGS. 1 to 3.
- the between the housing inner wall 5 and the side walls 23, 24 of the Stator blades 6 lying recesses 27, 28 are accordingly formed in the circumferential direction deeper than in the previous embodiment. This ensures that the rotor 8 despite the wider End regions 17 of its rotor blades 10 have the same swivel angle has like the rotor 8 according to FIGS. 1 to 3.
- the outer dimensions of the stator 1 are the same as in the previous embodiment.
- stator 1 and the rotor 8 are otherwise the same as in the embodiment according to FIGS. 1 to 3.
- FIG. 7 to 9 show an embodiment in which the radially inner Area 18 of the rotor blades 10, which on the cylindrical base body 9 of the rotor 8 connects two approximately radially extending planes Has side walls 21, 22 which are shorter in the radial direction than in the two previous embodiments.
- the radially outer section 17 of the Rötorhoff 10 is according to the embodiment 1 to 3 and has the flat, radially outward diverging side faces 19, 20. These side faces 19, 20 go each over a shoulder 33, 34 extending in the circumferential direction into the side walls 21, 22 of the radially inner section 18 about.
- the stator blades 6 have the radially from the inner wall of the housing internally diverging flat side surfaces 23, 24 on which the rotor blades 10 in the stop position with its side walls 19, 20 flat issue.
- the side walls 23, 24 connect at an obtuse angle Sidewalls 35, 36 on, which are flat and parallel to each other.
- the rotor blades 10 are in the respective end position with a flat bottom 37, 38 of depressions 39, 40 flat, which is provided in the side walls of the rotor blades 10 are.
- the bottoms 37, 38 close approximately at right angles to the Shoulders 33, 34 on which the bottoms 37, 38 with the side surfaces 21, 22 connect.
- the lateral depressions 39, 40 are approximately in half radial length of the rotor blades 10 is provided.
- the side walls 35, 36 of the stator blades 6 close approximately at right angles on shoulder surfaces 41, 42 which are directed inwards and connect the side walls 35, 36 to the side surfaces 25, 26.
- the side surfaces 25, 26 are connected by the end face 12, with which the stator blades 6 are flat on the base body 9 of the rotor 8 concerns.
- the two side walls 25, 26 converge radially inside.
- the rotor blade 10 is in the stop position (Fig. 7) between the side walls 21, 22 of the rotor blades 10 and the side walls 25, 26 of the stator blades 6 a radially inward itself widening free space 43 is formed, in which the hydraulic medium can when the rotor 8 from the stop position shown in Fig. 7 rotated clockwise with respect to stator 1 shall be. If the rotor blades 10 then with their other side surface rest on the adjacent stator blade 6, there is the same A corresponding free space is formed.
- the rotor blades 10 protrude with the Corner area of their outer, widened areas 17 into the pocket-like Indentations 27 and 28, respectively, which are provided at the foot of the stator blades 6 are.
- the camshaft can be compared to the camshaft with this Adjust swivel motor over a wide angular range. simultaneously is the leakage of the swing motor to a significant extent reduced, as a result of the widened ends 17 of the rotor blades 10 the sealing gap 16 between the end face 11 of the rotor blades 10 and the housing inner wall 5 is long.
- the functional limits of the Swivel motor and thus also the camshaft adjustment device are compared to the conventional systems (Fig. 10) significantly expanded.
- the rotor blades 10 widen radially not continuously towards the outside, but only in the outer area 17.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Actuator (AREA)
Abstract
Description
- Fig. 1
- in Axialansicht einen Teil einer ersten Ausführungsform eines erfindungsgemäßen Schwenkmotors für einen Nockenwellenversteller,
- Fig. 2
- einen Teil eines Rotors des Schwenkmotors gemäß Fig. 1 in Axialansicht,
- Fig. 3
- einen Teil eines Stators des Schwenkmotors gemäß Fig. 1 in Axialansicht,
- Fig. 4 bis Fig. 6
- in Darstellungen entsprechend den Fig. 1 bis 3 eine zweite Ausführungsform eines erfindungsgemäßen Schwenkmotors,
- Fig. 7 bis Fig. 9
- in Darstellungen entsprechend den Fig. 1 bis 3 eine dritte Ausführungsform eines erfindungsgemäßen Schwenkmotors,
- Fig. 10
- in Axialansicht einen Schwenkmotor nach dem Stand der Technik.
Claims (14)
- Schwenkmotor für eine Nockenwellenverstelleinrichtung, mit einem Stator und einem Rotor, die relativ zueinander drehbar sind und radial verlaufende Flügel aufweisen, von denen die Flügel des Rotors an einer Innenwand des Stators und die Flügel des Stators an einem Mantel eines Grundkörpers des Rotors mit ihren Stirnseiten anliegen,
dadurch gekennzeichnet, daß die Rotorflügel (10) von ihrer Stirnseite (11) aus in Richtung auf den Grundkörper (9) des Rotors (8) unstetig verjüngt sind. - Schwenkmotor nach Anspruch 1,
dadurch gekennzeichnet, daß sich der verbreiterte Bereich (17) der Rotorflügel (10) von seiner Stirnseite (11) aus radial nach innen verjüngt. - Schwenkmotor nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß sich der verbreiterte Bereich (17) über wenigstens ein Drittel der radialen Länge des Rotorflügels (10) erstreckt. - Schwenkmotor nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß der verbreiterte Bereich (17) von der Stirnseite (11) des Rotorflügels (10) aus konvergierend zueinander verlaufende Seitenflächen (19, 20) aufweist. - Schwenkmotor nach Anspruch 4,
dadurch gekennzeichnet, daß die Seitenflächen (19, 20) des verbreiterten Bereiches (17) eben sind. - Schwenkmotor nach Anspruch 4 oder 5,
dadurch gekennzeichnet, daß die Seitenflächen (19, 20) des verbreiterten Bereiches (17) stumpfwinklig an die Seitenflächen (21, 22) des radial inneren Bereiches (18) anschließen. - Schwenkmotor nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß die Seitenflächen (21, 22) des radial inneren Bereiches (18) annähernd parallel zueinander verlaufen. - Schwenkmotor nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß der verbreiterte Bereich (17) an seiner Stirnseite (11) eine Breite hat, die etwa der eineinhalbbis dreifachen Breite des radial inneren Bereiches (18) entspricht. - Schwenkmotor nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß die Seitenflächen (19, 20) des verbreiterten Bereiches (17) bogenförmig in die Seitenflächen (21, 22) des radial inneren Bereiches (18) übergehen. - Schwenkmotor nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß am Übergang von den Seitenflächen (21, 22) des radial inneren Bereiches (18) in die Seitenflächen (19, 20) des verbreiterten Bereiches (17) eine Vertiefung (33, 34) vorgesehen ist. - Schwenkmotor nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß die Statorflügel (6) am freien Ende an den Seitenflächen (23 bis 26) jeweils eine Vertiefung (29, 30) aufweisen. - Schwenkmotor nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß am Übergang von den Seitenflächen (23 bis 26) der Statorflügel (6) in die Innenwand (5) des Stators (1) eine Vertiefung (27, 28) vorgesehen ist. - Schwenkmotor nach Anspruch 12,
dadurch gekennzeichnet, daß der Rotorflügel (10) in Anschlagstellung am Statorflügel (6) mit dem verbreiterten Abschnitt (17) in die Vertiefung (27, 28) eingreift. - Schwenkmotor nach einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet, daß der radial innere Bereich (18) der Rotorflügel (10) über seine Länge annähernd konstante Breite hat.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10234867A DE10234867A1 (de) | 2002-07-31 | 2002-07-31 | Schwenkmotor für eine Nockenwellenverstelleinrichtung |
DE10234867 | 2002-07-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1387047A2 true EP1387047A2 (de) | 2004-02-04 |
EP1387047A3 EP1387047A3 (de) | 2005-07-06 |
EP1387047B1 EP1387047B1 (de) | 2011-09-28 |
Family
ID=30010524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03014026A Expired - Lifetime EP1387047B1 (de) | 2002-07-31 | 2003-06-23 | Schwenkmotor für eine Nockenwellenverstelleinrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US7275476B2 (de) |
EP (1) | EP1387047B1 (de) |
AT (1) | ATE526491T1 (de) |
DE (1) | DE10234867A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1568855A3 (de) * | 2004-02-27 | 2006-04-12 | Hydraulik-Ring Gmbh | Nockenwellenverstelleinrichtung für Brennkraftmaschinen von Kraftfahrzeugen |
WO2011158074A1 (en) * | 2010-06-16 | 2011-12-22 | Toyota Jidosha Kabushiki Kaisha | Control apparatus and control method for variable mechanism |
DE102013206078A1 (de) | 2013-04-05 | 2014-10-09 | Schaeffler Technologies Gmbh & Co. Kg | Nockenwellenversteller |
US9341089B2 (en) | 2014-04-04 | 2016-05-17 | RB Distribution, Inc. | Camshaft phaser |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005007942B4 (de) * | 2004-02-27 | 2007-10-04 | Hydraulik-Ring Gmbh | Nockenwellenverstelleinrichtung für Brennkraftmaschinen von Kraftfahrzeugen |
DE102012222271A1 (de) | 2012-12-05 | 2014-06-05 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulischer Nockenwellenversteller mit einem einen spannungsoptimierten Flügel aufweisenden Rotor |
DE102014002362A1 (de) * | 2014-02-18 | 2015-08-20 | Daimler Ag | Nockenwellenversteller mit einer Anschlagdämpfung |
US9957831B2 (en) * | 2014-07-31 | 2018-05-01 | The Boeing Company | Systems, methods, and apparatus for rotary vane actuators |
CN112901302B (zh) * | 2019-11-19 | 2024-04-12 | 舍弗勒投资(中国)有限公司 | 凸轮相位调节器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10238319A (ja) | 1997-02-26 | 1998-09-08 | Toyota Motor Corp | 内燃機関のバルブタイミング制御装置 |
US20020029651A1 (en) | 2000-07-07 | 2002-03-14 | Gerold Sluka | Camshaft for the operation of valves of an internal-combustion engine |
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US3625007A (en) * | 1969-02-07 | 1971-12-07 | Lee R Herndon Jr | Hydraulic system including flow stabilization means |
US4768340A (en) * | 1987-04-24 | 1988-09-06 | Allied-Signal Inc. | Automatic displacement control for variable displacement motor |
US5201637A (en) * | 1991-10-28 | 1993-04-13 | Vickers, Incorporated | Hydraulic piston pump with servo displacement control |
US5590525A (en) * | 1993-06-01 | 1997-01-07 | Sundstrand Corporation | Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same |
JP3627340B2 (ja) * | 1996-01-30 | 2005-03-09 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JPH10220405A (ja) * | 1997-02-07 | 1998-08-21 | Teijin Seiki Co Ltd | リリーフ機構およびリリーフ機構付き流体回路 |
JPH11153009A (ja) * | 1997-09-16 | 1999-06-08 | Denso Corp | 内燃機関用バルブタイミング調整装置 |
JPH1193626A (ja) | 1997-09-17 | 1999-04-06 | Fuji Oozx Inc | 内燃機関用タペット |
JP3284939B2 (ja) * | 1997-09-18 | 2002-05-27 | トヨタ自動車株式会社 | 可変バルブタイミング機構及びその製造方法 |
DE19745908B4 (de) * | 1997-10-17 | 2004-03-04 | Ina-Schaeffler Kg | Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, wobei die Vorrichtung als Flügelzellen-Verstelleinrichtung ausgebildet ist |
DE10029261A1 (de) * | 2000-06-14 | 2001-12-20 | Deutz Ag | Nockenwellenverschwenkeinrichtung |
JP3565774B2 (ja) * | 2000-09-12 | 2004-09-15 | 株式会社日立製作所 | プラズマ処理装置及び処理方法 |
-
2002
- 2002-07-31 DE DE10234867A patent/DE10234867A1/de not_active Ceased
-
2003
- 2003-06-23 EP EP03014026A patent/EP1387047B1/de not_active Expired - Lifetime
- 2003-06-23 AT AT03014026T patent/ATE526491T1/de active
- 2003-07-29 US US10/604,530 patent/US7275476B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10238319A (ja) | 1997-02-26 | 1998-09-08 | Toyota Motor Corp | 内燃機関のバルブタイミング制御装置 |
US20020029651A1 (en) | 2000-07-07 | 2002-03-14 | Gerold Sluka | Camshaft for the operation of valves of an internal-combustion engine |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1568855A3 (de) * | 2004-02-27 | 2006-04-12 | Hydraulik-Ring Gmbh | Nockenwellenverstelleinrichtung für Brennkraftmaschinen von Kraftfahrzeugen |
WO2011158074A1 (en) * | 2010-06-16 | 2011-12-22 | Toyota Jidosha Kabushiki Kaisha | Control apparatus and control method for variable mechanism |
CN102939439A (zh) * | 2010-06-16 | 2013-02-20 | 丰田自动车株式会社 | 用于可变机构的控制装置和控制方法 |
DE102013206078A1 (de) | 2013-04-05 | 2014-10-09 | Schaeffler Technologies Gmbh & Co. Kg | Nockenwellenversteller |
US9341089B2 (en) | 2014-04-04 | 2016-05-17 | RB Distribution, Inc. | Camshaft phaser |
Also Published As
Publication number | Publication date |
---|---|
US20040177751A1 (en) | 2004-09-16 |
ATE526491T1 (de) | 2011-10-15 |
DE10234867A1 (de) | 2004-02-12 |
EP1387047B1 (de) | 2011-09-28 |
US7275476B2 (en) | 2007-10-02 |
EP1387047A3 (de) | 2005-07-06 |
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