EP2220345A2 - Vorrichtung zur variablen einstellung der steuerzeiten von gaswechselventilen einer brennkraftmaschine - Google Patents
Vorrichtung zur variablen einstellung der steuerzeiten von gaswechselventilen einer brennkraftmaschineInfo
- Publication number
- EP2220345A2 EP2220345A2 EP08856752A EP08856752A EP2220345A2 EP 2220345 A2 EP2220345 A2 EP 2220345A2 EP 08856752 A EP08856752 A EP 08856752A EP 08856752 A EP08856752 A EP 08856752A EP 2220345 A2 EP2220345 A2 EP 2220345A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- port
- connection
- working
- valve
- 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
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
- F01L2001/34426—Oil control valves
Definitions
- control piston in a concretization of the invention, it is proposed that the interior of the control piston can be connected to each of the working ports and the control port by suitable positioning of the control piston within the valve housing.
- the hydraulic system has a control valve with a valve housing and a control piston.
- the valve housing can be made substantially hollow cylindrical.
- the connections may be formed as openings in the cylindrical lateral surface.
- a control piston occupy several positions relative to this, thereby several control positions can be realized. It can be provided that the control piston can be moved by means of an adjusting unit in the axial direction of the valve housing relative to this.
- the actuator may be, for example, electromagnetic or hydraulic nature. In each control position results in a defined connection of different connections.
- the connections formed as openings on the lateral surface of the valve housing are arranged offset to one another.
- the control piston and the valve housing may be formed substantially rotationally symmetrical, whereby the production can be considerably simplified.
- the width of the inner rotor only has to correspond to the maximum distance between the working ports, the control port and the drain port.
- the inner rotor and thus the adjusting device can thus be made narrower.
- no pressure medium lines within the inner rotor are necessary to direct the pressure medium to the inlet or to the inlet ports, whereby the architecture of the actuator simplified and thus the manufacturing cost can be reduced.
- the central valve solution leads to a stiffer hydraulic clamping of the wing in the pressure chamber.
- control valve can assume a first control position, in which the first working connection communicates exclusively with the tank, the second working connection exclusively with the inflow connection and the control connection exclusively with the tank.
- a second control position may be provided, in which the first working connection communicates exclusively with the tank and the second working connection and the control connection exclusively with the inflow connection.
- a third control position may be provided, in which the control port only communicates with the inflow port, while the working ports do not communicate with either the inflow port or the one of the outflow ports.
- a fourth control position can be provided, in which the second working connection communicates exclusively with the tank and the first working connection and the control connection exclusively with the inflow connection.
- FIGS 2a and 2b show an embodiment of a device 10 according to the invention in a plan view and in longitudinal section.
- the device 10 has an adjusting device 11 and a hydraulic system 12.
- the adjusting device 11 has a drive element (outer rotor 22), a drive element rotatably connected to the camshaft 6, 7 (inner rotor 23) and two side covers 24, 25.
- the inner rotor 23 is designed in the form of an impeller and has a substantially cylindrically designed hub member 26, from the outer cylindrical lateral surface is in the illustrated embodiment, five wings 27 extend in the radial direction to the outside. In this case, the wings 27 may be integrally formed with the hub member 26.
- FIG. 2a This consists of a first and a second Drehwinkelbegrenzungsvor- direction 42, 43.
- 24 two scenes 45 are formed in the form of circumferentially extending grooves in the first side wall. These are indicated in Figure 2a in the form of broken lines.
- the control piston 54 is designed substantially hollow cylindrical and disposed axially displaceable within the valve housing 52. In this case, the axial position of the control piston 54 can be adjusted continuously by means of the adjusting unit, not shown.
- the actuator acts against the force of a spring 55 which moves the control piston 54 to an initial position when the actuator is inactive.
- the spring 55 is supported on a spring plate 55a, which is fixed in the axial opening, which forms the axial discharge port T 3 .
- the actuator 50 may be formed, for example, as an electrical actuator.
- Pressure medium thus passes from the pressure medium pump 47 via the control valve 37 to the second pressure chambers 36 and the scenes 45, while pressure medium is discharged from the first pressure chambers 35 to the tank 49.
- the rotation angle limiting devices 42, 43 are transferred to the unlocked state.
- the pressure medium flow to the second pressure chambers 36 and the pressure medium outlet from the first pressure chambers 35 cause a phase adjustment in the direction of later control times
- Pressure medium thus passes from the pressure medium pump 47 via the control valve 37 to the scenes 45, while the pressure chambers 35, 36 neither pressure medium supplied, is still removed from these.
- the adjusting device 11 is thus hydraulically clamped, ie there is no phase adjustment between the inner rotor 23 and the outer rotor 22 instead.
- the control piston 54 is deflected relative to the valve housing 52 by the distance X 3 > X 2 against the force of the spring 55.
- Pressure medium which is supplied to the control valve 37 via the inlet port P, passes via the interior of the control piston 54 to the first control chamber 56a and from there to the control port S.
- the pressure medium passes through the interior of the control piston 54 and the second piston openings 57b in the second control chamber 56b and from there to the first working port A.
- a connection between the inlet port P and the second working port B is blocked by the second annular web 58b.
- a pressure medium flow from the first working port A to the discharge port T is blocked by the third annular web 58 c.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Mechanically-Actuated Valves (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007058491A DE102007058491A1 (de) | 2007-12-05 | 2007-12-05 | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
PCT/EP2008/066065 WO2009071457A2 (de) | 2007-12-05 | 2008-11-24 | Vorrichtung zur variablen einstellung der steuerzeiten von gaswechselventilen einer brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2220345A2 true EP2220345A2 (de) | 2010-08-25 |
EP2220345B1 EP2220345B1 (de) | 2011-06-22 |
Family
ID=40621063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08856752A Not-in-force EP2220345B1 (de) | 2007-12-05 | 2008-11-24 | Vorrichtung zur variablen einstellung der steuerzeiten von gaswechselventilen einer brennkraftmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US8522733B2 (de) |
EP (1) | EP2220345B1 (de) |
KR (1) | KR101531732B1 (de) |
CN (1) | CN101889129B (de) |
AT (1) | ATE513982T1 (de) |
DE (1) | DE102007058491A1 (de) |
WO (1) | WO2009071457A2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009043777A1 (de) * | 2009-09-30 | 2011-03-31 | Schaeffler Technologies Gmbh & Co. Kg | Zentralventil eines Nockenwellenverstellers einer Brennkraftmaschine |
DE102009050779B4 (de) | 2009-10-27 | 2016-05-04 | Hilite Germany Gmbh | Schwenkmotornockenwellenversteller mit einer Reibscheibe und Montageverfahren |
DE102009052841A1 (de) * | 2009-11-13 | 2011-05-19 | Hydraulik-Ring Gmbh | Nockenwelleneinsatz |
DE102010045358A1 (de) | 2010-04-10 | 2011-10-13 | Hydraulik-Ring Gmbh | Schwenkmotornockenwellenversteller mit einem Hydraulikventil |
DE102010019005B4 (de) | 2010-05-03 | 2017-03-23 | Hilite Germany Gmbh | Schwenkmotorversteller |
WO2013063757A1 (zh) * | 2011-11-01 | 2013-05-10 | Lio Pang-Chian | 驱动装置及可变行程时序压力控制系统 |
DE102012208812B4 (de) * | 2012-05-25 | 2018-02-01 | Schaeffler Technologies AG & Co. KG | Steuerventil eines Nockenwellenverstellers |
DE102012208809B4 (de) | 2012-05-25 | 2020-11-26 | Schaeffler Technologies AG & Co. KG | Steuerventil eines Nockenwellenverstellers |
DE102012209859A1 (de) | 2012-06-13 | 2013-12-19 | Schaeffler Technologies AG & Co. KG | Ventileinheit mit axialem Druckmittelzufluss |
DE102012218802B4 (de) | 2012-10-16 | 2018-05-17 | Schaeffler Technologies AG & Co. KG | Steuerventil für ein Nockenwellenverstellersystem |
JP6217240B2 (ja) * | 2013-08-27 | 2017-10-25 | アイシン精機株式会社 | 制御弁及び制御弁の取付構造 |
US11585247B2 (en) | 2020-06-14 | 2023-02-21 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE19756016A1 (de) * | 1997-12-17 | 1999-06-24 | Porsche Ag | Vorrichtung zur hydraulischen Drehwinkelverstellung einer Welle zu einem Antriebsrad |
DE19817319C2 (de) * | 1998-04-18 | 2001-12-06 | Daimler Chrysler Ag | Nockenwellenversteller für Brennkraftmaschinen |
DE19819995A1 (de) * | 1998-05-05 | 1999-11-11 | Porsche Ag | Vorrichtung zur hydraulischen Drehwinkelverstellung einer Welle zu einem Antriebsrad |
DE19848706A1 (de) | 1998-10-22 | 2000-04-27 | Schaeffler Waelzlager Ohg | Vorrichtung zur Relativverdrehung einer Nockenwelle gegenüber einer diese Nockenwelle antreibenden Kurbelwelle einer Brennkraftmaschine |
US7317321B2 (en) * | 2001-06-22 | 2008-01-08 | Ntg, Inc. | Methods and systems for automated pipeline testing |
JP4487449B2 (ja) | 2001-06-28 | 2010-06-23 | アイシン精機株式会社 | 弁開閉時期制御装置 |
US6763791B2 (en) * | 2001-08-14 | 2004-07-20 | Borgwarner Inc. | Cam phaser for engines having two check valves in rotor between chambers and spool valve |
JP3867897B2 (ja) | 2001-12-05 | 2007-01-17 | アイシン精機株式会社 | 弁開閉時期制御装置 |
DE10211468A1 (de) * | 2002-03-15 | 2003-09-25 | Daimler Chrysler Ag | Nockenwellenversteller für eine Brennkraftmaschine |
US6729283B2 (en) * | 2002-04-22 | 2004-05-04 | Borgwarner Inc. | Externally mounted vacuum controlled actuator with position sensor control means to reduce functional and magnetic hysteresis |
US6814038B2 (en) * | 2002-09-19 | 2004-11-09 | Borgwarner, Inc. | Spool valve controlled VCT locking pin release mechanism |
JP4000522B2 (ja) * | 2003-02-26 | 2007-10-31 | アイシン精機株式会社 | 弁開閉時期制御装置 |
DE10346443A1 (de) | 2003-10-07 | 2005-05-04 | Daimler Chrysler Ag | Hydraulischer Nockenwellenversteller für eine Brennkraftmaschine |
DE102004025215A1 (de) * | 2004-05-22 | 2005-12-08 | Ina-Schaeffler Kg | Nockenwellenversteller |
DE102004036096B4 (de) * | 2004-07-24 | 2017-09-14 | Schaeffler Technologies AG & Co. KG | Steuerventil für eine Vorrichtung zur Veränderung der Steuerzeiten einer Brennkraftmaschine |
JP2006144766A (ja) * | 2004-10-20 | 2006-06-08 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
DE102005037480A1 (de) * | 2005-08-09 | 2007-02-15 | Schaeffler Kg | Steuerventil und Verfahren zur Herstellung desselben |
DE102005047641A1 (de) * | 2005-10-05 | 2007-04-12 | Schaeffler Kg | Steuerventil für einen Nockenwellenversteller |
DE102005052481A1 (de) * | 2005-11-03 | 2007-05-24 | Schaeffler Kg | Steuerventil für eine Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
GB2432645B (en) * | 2005-11-28 | 2010-12-29 | Mechadyne Plc | Variable phase drive coupling |
DE102006020320A1 (de) * | 2006-05-03 | 2007-11-08 | Schaeffler Kg | Ventil für einen Nockenwellenversteller |
DE102006031594A1 (de) * | 2006-07-08 | 2008-01-10 | Schaeffler Kg | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
DE102006031593A1 (de) * | 2006-07-08 | 2008-01-10 | Schaeffler Kg | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
-
2007
- 2007-12-05 DE DE102007058491A patent/DE102007058491A1/de not_active Withdrawn
-
2008
- 2008-11-24 AT AT08856752T patent/ATE513982T1/de active
- 2008-11-24 CN CN2008801191672A patent/CN101889129B/zh not_active Expired - Fee Related
- 2008-11-24 US US12/746,266 patent/US8522733B2/en active Active
- 2008-11-24 EP EP08856752A patent/EP2220345B1/de not_active Not-in-force
- 2008-11-24 KR KR1020107012278A patent/KR101531732B1/ko active IP Right Grant
- 2008-11-24 WO PCT/EP2008/066065 patent/WO2009071457A2/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009071457A3 * |
Also Published As
Publication number | Publication date |
---|---|
CN101889129B (zh) | 2012-11-07 |
US20110174253A1 (en) | 2011-07-21 |
CN101889129A (zh) | 2010-11-17 |
KR20100102599A (ko) | 2010-09-24 |
WO2009071457A3 (de) | 2009-08-20 |
US8522733B2 (en) | 2013-09-03 |
DE102007058491A1 (de) | 2009-06-10 |
KR101531732B1 (ko) | 2015-06-25 |
EP2220345B1 (de) | 2011-06-22 |
WO2009071457A2 (de) | 2009-06-11 |
ATE513982T1 (de) | 2011-07-15 |
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