WO2010015541A1 - Dispositif de réglage variable des temps de commande de soupapes d’échange des gaz d’un moteur à combustion interne - Google Patents

Dispositif de réglage variable des temps de commande de soupapes d’échange des gaz d’un moteur à combustion interne Download PDF

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Publication number
WO2010015541A1
WO2010015541A1 PCT/EP2009/059668 EP2009059668W WO2010015541A1 WO 2010015541 A1 WO2010015541 A1 WO 2010015541A1 EP 2009059668 W EP2009059668 W EP 2009059668W WO 2010015541 A1 WO2010015541 A1 WO 2010015541A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure medium
camshaft
distributor
phase adjusting
hand
Prior art date
Application number
PCT/EP2009/059668
Other languages
German (de)
English (en)
Inventor
Boris PÜTZ
Ali Bayrakdar
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
Application filed by Schaeffler Kg filed Critical Schaeffler Kg
Priority to US13/057,070 priority Critical patent/US20110132303A1/en
Priority to EP09781129A priority patent/EP2321501B1/fr
Priority to CN200980130741.9A priority patent/CN102112707B/zh
Priority to AT09781129T priority patent/ATE542984T1/de
Publication of WO2010015541A1 publication Critical patent/WO2010015541A1/fr

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
    • F01L1/02—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
    • 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

Definitions

  • the device usually consists of a Ckenwelle, a hydraulic phase adjusting device, by means of which by pressure medium supply or discharge a phase relationship between the crankshaft and the camshaft can be selectively changed, and a pressure medium distributor, by means of the phase adjusting means pressure medium can be supplied or discharged from this.
  • the phase adjusting device is integrated in a drive train, via which torque is transmitted from the crankshaft to the camshaft.
  • This drive train can be realized for example as a belt, chain or gear drive.
  • the second pressure medium channel can be formed, for example, within the pressure medium distributor. Alternatively it can be provided to form the second pressure medium channel at an interface between the cavity and the pressure medium distributor. It can be provided, for example, that the second pressure medium channel as a longitudinal groove on an outer circumferential surface of the pressure central distributor or is formed on an inner circumferential surface of the camshaft in the region of the pressure medium distributor.
  • the pressure medium path is at least partially formed by the pressure medium distributor.
  • the camshaft is designed as a hollow shaft with a cavity.
  • This can be realized, for example, in that the camshaft consists of a tube, whose one end is closed and force-fit, positive-locking or cohesively fixed on the cam.
  • solidly executed camshafts which have an axial channel, in the form of a blind hole, which opens into a receptacle in which the pressure medium distributor is arranged.
  • the camshaft is mounted in a plurality of camshaft bearings, wherein the hollow space communicates with at least one of the camshaft bearings via radial openings in the camshaft.
  • the pressure medium distributor is received in a receptacle of the camshaft, said receptacle communicating with the cavity.
  • the pressure medium distributor separates a pressure medium path which is provided for supplying the phase adjusting device by a second pressure medium channel which opens into the cavity of the camshaft and via which the camshaft bearing separate from the pressure medium rotary transformer is supplied with lubricant.
  • the pressure medium distributor closes the cavity, apart from the second pressure medium channel, pressure-tight to the outside.
  • a filter element can be integrated in the second pressure medium channel, which keeps foreign bodies in the lubricant or pressure medium away from the camshaft bearings and thus reduces the wear of the bearing points. Since all camshaft bearings are supplied with lubricant / pressure medium via the second pressure medium channel, only a single filter element is required in this embodiment.
  • the second pressure medium channel which communicates on the one hand with the opening and thus with the pressure medium rotary transformer and on the other hand with the cavity of the camshaft is at least partially formed by the pressure medium distributor.
  • a pressure medium distributor in the interior of a Bore is provided, which branches off from the pressure medium path, which supplies the phase adjusting device with pressure medium.
  • the second pressure medium channel is formed solely by the pressure medium distributor.
  • the second pressure medium channel is formed at an interface between the pressure medium distributor and the camshaft, for example an inner lateral surface of the camshaft and an outer lateral surface of the pressure medium distributor. This can be realized for example by a longitudinal groove which is formed on the outer circumferential surface of the pressure medium distributor or the inner circumferential surface of the camshaft.
  • FIG. 1 shows an internal combustion engine 1 is sketched, wherein a seated on a crankshaft 2 piston 3 is indicated in a cylinder 4.
  • the crankshaft 2 is in the illustrated embodiment via a respective traction drive 5 with an intake camshaft 6 and exhaust camshaft 7 in combination, with a first and a second device 11 for a relative rotation between the crankshaft 2 and the camshafts 6, 7 can provide.
  • Cams 8 of the camshafts 6, 7 actuate one or more inlet gas exchange valves 9 or one or more Auslassgas scaffoldventile 10.
  • it may be provided only one of the camshafts 6, 7 with a device 11, or provide only a camshaft 6, 7, which with a Device 11 is provided.
  • FIGS 2 and 3 show a first embodiment of a device 11 according to the invention in longitudinal or in cross section.
  • the device 11 has a phase adjusting device 12, a camshaft 6, 7 and a pressure medium distributor 13.
  • the phase adjusting device 12 comprises a drive element 14 and a drive element 16.
  • the drive element 14 has a housing 15 and two side covers 17, 18, which are arranged on the axial side surfaces of the housing 15.
  • the output element 16 is designed in the form of an impeller and has a substantially cylindrical hub element 19, from the outer cylindrical surface of which in the illustrated embodiment, five wings 20 extend in the radial direction outward. Starting from an outer peripheral wall 21 of the housing 15, five projections 22 extend radially inwardly.
  • a pressure space 28 is formed between each two circumferentially adjacent projections 22.
  • Each of the pressure chambers 28 is circumferentially bounded by opposing, substantially radially extending boundary walls 29 of adjacent projections 22, in the axial direction of the side covers 17, 18, radially inwardly of the hub member 19 and radially outwardly of the peripheral wall 21.
  • In each of the pressure chambers 28 protrudes a wing 20, wherein the wings 20 are formed such that they rest against both the side covers 17, 18, and on the peripheral wall 21.
  • Each wing 20 thus divides the respective pressure chamber 28 into two counteracting pressure chambers 30, 31.
  • the output member 16 is rotatably arranged in a defined Winkeibreich to the drive member 14.
  • the angular range is limited in one direction of rotation of the driven element 16 in that the wings 20 come into contact with a corresponding boundary wall 29 (early stop 32) of the pressure chambers 28.
  • the angular range in the other direction of rotation is limited by the fact that the wings 20 come to rest on the other boundary walls 29 of the pressure chambers 28, which serve as a late stop 33.
  • phase position of the drive element 14 to the output element 16 can be varied.
  • phase position can be kept constant.
  • the pressure medium distributor 13 is designed and arranged such that a pressure medium path 40 is formed, which communicates on the one hand with the openings 38 and on the other hand with the inlet port P.
  • the pressure medium path 40 consists of a first pressure medium channel 41 between the outer lateral surface of the pressure medium distributor 13 and the inner lateral surface of the camshaft 6, 7, which communicates with radial openings 42, which in turn communicate with the interior of the pressure medium distributor 13. From there, the pressure medium passes through a check valve 43 and an axial channel 44 to the inlet port P.
  • the pressure medium reaches either the first or second working port A, B and from there via radial pressure medium lines 45, 46 to the first and second pressure chambers 30, 31.
  • the pressure medium from the other pressure chambers 30, 31 is returned via the pressure medium lines 45, 46 to the control valve 34 and discharged via the discharge port T SEN.
  • the axial position of the control piston 36 relative to the valve housing 35 is selectively adjustable by means of an electromagnetic actuator 47.
  • a throttle 52 is provided within the second pressure medium channel 48, which limits the pressure medium flow from the pressure medium rotary transformer 39 to the bearing surfaces of the camshaft bearings 50 without hindering the pressure medium flow to the phase adjusting device 12.
  • the throttle 52 is formed separately from the pressure medium manifold 13 and stationary in the second pressure medium channel 48, for example by a positive, material or non-positive connection attached.
  • the diameter of the second pressure medium channel 48 is designed such that the throttle function is caused by this ( Figure 2) or in which the throttle 52 is formed on the pressure medium manifold 13.
  • the minimum flow area of the second pressure medium channel 48 is smaller than the minimum flow area between the pressure medium rotary transformer 39 and the pressure chambers 30, 31.
  • FIG. 5 shows a further embodiment of the device 11 according to the invention, which is essentially identical to the first two embodiments.
  • the second pressure medium channel 48 is formed at the interface between the inner circumferential surface of the camshaft 6, 7 and the outer circumferential surface of the pressure medium distributor 13.
  • a longitudinal groove 53 is provided, which communicates on the one hand with the cavity 49 and on the other hand with the first pressure medium channel 41.
  • the longitudinal groove 53 may be formed, for example, on the inner circumferential surface of the camshaft 6, 7 or the outer circumferential surface of the pressure medium distributor 13. In any case, therefore, the second pressure medium channel 48 is partially limited by the pressure medium distributor 13.
  • the longitudinal groove 53 may have a constant small cross section or a local throttle point.
  • one or more camshaft bearings 50 which are separate from the pressure medium rotary transmitter 39 can be supplied with lubricant.
  • the usual in the cylinder head structures for supplying lubricant to each individual camshaft bearing 50 can be omitted, whereby the complexity and the cost of the cylinder head can be reduced.
  • the formation of the second pressure medium channel 48 through the pressure medium distributor 13 significantly reduces the costs and complexity of the device 11.
  • the supply of the phase adjusting device 12 and the camshaft bearings 50 can be realized by means of a single component, whereby the assembly cost drops considerably.

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

L’invention concerne un dispositif (11) de réglage variable des temps de commande de soupapes d’échange des gaz (9, 10) d’un moteur à combustion interne (1) comportant un dispositif de régulation de phase hydraulique (12), un arbre à cames (6, 7) et un distributeur de fluide sous pression (13). Le dispositif de régulation de phase (12) peut être placé en liaison d’entraînement avec un vilebrequin (2) et est relié solidaire en rotation à l’arbre à cames (6, 7). Une position de phase de l’arbre à cames (6, 7) peut être réglée de manière variable par rapport au vilebrequin (2) au moyen du dispositif de régulation de phase (12). L’intérieur de l’arbre à cames (6, 7) présente un espace creux (49) qui communique avec un ou plusieurs paliers d’arbre à cames (50), formés séparément à un dispositif de transfert rotatif de fluide sous pression (39). Le distributeur de fluide sous pression (13) est agencé dans une zone de réception (37) de l’arbre à cames (6, 7), ce dernier présentant, dans la zone du distributeur de fluide sous pression (13), une ouverture (38) communiquant d’une part avec l’intérieur de l’arbre à cames (6, 7) et d’autre part avec le dispositif de transfert rotatif de fluide sous pression (39). L’arbre à cames (6, 7) comporte un canal de fluide sous pression (40) qui communique d’une part avec l’ouverture (38) et d’autre part avec le dispositif de régulation de phase hydraulique (12).
PCT/EP2009/059668 2008-08-02 2009-07-27 Dispositif de réglage variable des temps de commande de soupapes d’échange des gaz d’un moteur à combustion interne WO2010015541A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/057,070 US20110132303A1 (en) 2008-08-02 2009-07-27 Device for variable adjustment of the timing of gas exchange valves of an internal combustion engine
EP09781129A EP2321501B1 (fr) 2008-08-02 2009-07-27 Dispositif de réglage variable des temps de commande de soupapes d'échange des gaz d'un moteur à combustion interne
CN200980130741.9A CN102112707B (zh) 2008-08-02 2009-07-27 用于可变地调整内燃机换气阀的配气正时的装置
AT09781129T ATE542984T1 (de) 2008-08-02 2009-07-27 Vorrichtung zur variablen einstellung der steuerzeiten von gaswechselventilen einer brennkraftmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008036182A DE102008036182A1 (de) 2008-08-02 2008-08-02 Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine
DE102008036182.8 2008-08-02

Publications (1)

Publication Number Publication Date
WO2010015541A1 true WO2010015541A1 (fr) 2010-02-11

Family

ID=41058944

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/059668 WO2010015541A1 (fr) 2008-08-02 2009-07-27 Dispositif de réglage variable des temps de commande de soupapes d’échange des gaz d’un moteur à combustion interne

Country Status (6)

Country Link
US (1) US20110132303A1 (fr)
EP (1) EP2321501B1 (fr)
CN (1) CN102112707B (fr)
AT (1) ATE542984T1 (fr)
DE (1) DE102008036182A1 (fr)
WO (1) WO2010015541A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012201573A1 (de) 2012-02-02 2013-08-08 Schaeffler Technologies AG & Co. KG Nockenwellenversteller
DE102012204617A1 (de) 2012-03-22 2013-09-26 Schaeffler Technologies AG & Co. KG Steuerventil eines Nockenwellenverstellers
DE102012210178A1 (de) 2012-06-18 2013-12-19 Schaeffler Technologies AG & Co. KG Steuerventil eines Nockenwellenverstellers
DE102022109289A1 (de) 2022-04-14 2023-10-19 Bayerische Motoren Werke Aktiengesellschaft Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug
DE102022109290A1 (de) 2022-04-14 2023-10-19 Bayerische Motoren Werke Aktiengesellschaft Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug

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DE102012201551B4 (de) 2012-02-02 2022-05-12 Schaeffler Technologies AG & Co. KG Nockenwellenversteller und Verfahren zum Füllen eines Volumenspeichers in einem Nockenwellenversteller
DE102012218802B4 (de) 2012-10-16 2018-05-17 Schaeffler Technologies AG & Co. KG Steuerventil für ein Nockenwellenverstellersystem
DE102012221876B4 (de) * 2012-11-29 2021-01-07 Schaeffler Technologies AG & Co. KG Nockenwellenverstellvorrichtung
DE102013104573B4 (de) * 2013-05-03 2018-05-17 Hilite Germany Gmbh Hydraulikventil und Schwenkmotorversteller
KR101470208B1 (ko) * 2013-09-04 2014-12-05 현대자동차주식회사 오일 공급 장치
DE102014102617A1 (de) 2014-02-27 2015-08-27 Hilite Germany Gmbh Hydraulikventil für einen Schwenkmotorversteller einer Nockenwelle
DE102014204566B4 (de) * 2014-03-12 2021-05-12 Schaeffler Technologies AG & Co. KG Zentralventil für einen Nockenwellenversteller mit Mittenverriegelung
DE102014115903B4 (de) * 2014-10-31 2020-07-30 Hilite Germany Gmbh Hydraulikventil und Schwenkmotorversteller
DE102016214501B4 (de) 2015-10-28 2021-07-29 Schaeffler Technologies AG & Co. KG Nockenwellenverstellvorrichtung
DE102018102206A1 (de) 2018-02-01 2019-08-01 ECO Holding 1 GmbH Einstellbare Hydraulikbaugruppe
DE102021207429A1 (de) 2021-07-13 2023-01-19 Mahle International Gmbh Nockenwellenmodul für eine Brennkraftmaschine
DE102021207428A1 (de) 2021-07-13 2023-01-19 Mahle International Gmbh Nockenwellenmodul für eine Brennkraftmaschine

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US6799544B1 (en) * 2003-05-29 2004-10-05 Delphi Technologies, Inc. Method and apparatus for actuating a cam phaser
DE102005034276A1 (de) * 2005-07-22 2007-01-25 Daimlerchrysler Ag Nockenwellenstellvorrichtung

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DE10346443A1 (de) * 2003-10-07 2005-05-04 Daimler Chrysler Ag Hydraulischer Nockenwellenversteller für eine Brennkraftmaschine
US7140335B2 (en) * 2004-09-17 2006-11-28 Kaymor, Llc Dynamic valve timing adjustment mechanism for internal combustion engines
DE102005052481A1 (de) 2005-11-03 2007-05-24 Schaeffler Kg Steuerventil für eine Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine
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DE19944535C1 (de) * 1999-09-17 2001-01-04 Daimler Chrysler Ag Nockenwellenversteller für Brennkraftmaschinen
US6799544B1 (en) * 2003-05-29 2004-10-05 Delphi Technologies, Inc. Method and apparatus for actuating a cam phaser
DE102005034276A1 (de) * 2005-07-22 2007-01-25 Daimlerchrysler Ag Nockenwellenstellvorrichtung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012201573A1 (de) 2012-02-02 2013-08-08 Schaeffler Technologies AG & Co. KG Nockenwellenversteller
KR20130089603A (ko) * 2012-02-02 2013-08-12 섀플러 테크놀로지스 아게 운트 코. 카게 캠축 조정 장치
US8807103B2 (en) 2012-02-02 2014-08-19 Schaeffler Technologies Gmbh & Co. Kg Camshaft adjuster
DE102012204617A1 (de) 2012-03-22 2013-09-26 Schaeffler Technologies AG & Co. KG Steuerventil eines Nockenwellenverstellers
DE102012210178A1 (de) 2012-06-18 2013-12-19 Schaeffler Technologies AG & Co. KG Steuerventil eines Nockenwellenverstellers
WO2013189621A1 (fr) 2012-06-18 2013-12-27 Schaeffler Technologies AG & Co. KG Soupape de commande d'un déphaseur d'arbre à cames
US9267399B2 (en) 2012-06-18 2016-02-23 Schaeffler Technologies AG & Co. KG Control valve of a camshaft adjuster
DE102012210178B4 (de) * 2012-06-18 2016-05-19 Schaeffler Technologies AG & Co. KG Steuerventil eines Nockenwellenverstellers
DE102022109289A1 (de) 2022-04-14 2023-10-19 Bayerische Motoren Werke Aktiengesellschaft Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug
DE102022109290A1 (de) 2022-04-14 2023-10-19 Bayerische Motoren Werke Aktiengesellschaft Verbrennungskraftmaschine für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug

Also Published As

Publication number Publication date
CN102112707B (zh) 2013-09-18
EP2321501B1 (fr) 2012-01-25
CN102112707A (zh) 2011-06-29
DE102008036182A1 (de) 2010-02-04
EP2321501A1 (fr) 2011-05-18
US20110132303A1 (en) 2011-06-09
ATE542984T1 (de) 2012-02-15

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