EP2690261A3 - Camshaft phase adjuster with sealing sleeve - Google Patents

Camshaft phase adjuster with sealing sleeve Download PDF

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Publication number
EP2690261A3
EP2690261A3 EP13177506.6A EP13177506A EP2690261A3 EP 2690261 A3 EP2690261 A3 EP 2690261A3 EP 13177506 A EP13177506 A EP 13177506A EP 2690261 A3 EP2690261 A3 EP 2690261A3
Authority
EP
European Patent Office
Prior art keywords
sealing
rotor
stator
camshaft
fluid
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
EP13177506.6A
Other languages
German (de)
French (fr)
Other versions
EP2690261B1 (en
EP2690261A2 (en
Inventor
Claus Welte
Dr. Uwe Meinig
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive GmbH
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 Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Publication of EP2690261A2 publication Critical patent/EP2690261A2/en
Publication of EP2690261A3 publication Critical patent/EP2690261A3/en
Application granted granted Critical
Publication of EP2690261B1 publication Critical patent/EP2690261B1/en
Not-in-force 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
    • 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
    • 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
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34479—Sealing of phaser devices
    • 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
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34483—Phaser return springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

Phasensteller zur Verstellung der Drehwinkelposition einer Nockenwelle relativ zu einer Kurbelwelle einer Brennkraftmaschine, der Phasensteller umfassend:
(a) einen von der Kurbelwelle drehantreibbaren Stator (3),
(b) einen vom Stator (3) um eine Drehachse (R) drehantreibbaren Rotor (7), der mit dem Stator (3) eine erste Stellkammer (K1) und eine zweite Stellkammer (K2) bildet, die mit einem Druckfluid beaufschlagbar sind, um den Rotor (7) relativ zum Stator (3) um die Drehachse (R) verstellen zu können,
(c) eine zur drehmomentfesten Verbindung des Rotors (7) mit der Nockenwelle (1) axial durch den Rotor (7) erstreckte Befestigungsstruktur (10; 100), die mit dem Rotor (7), und im verbundenen Zustand optional auch mit der Nockenwelle (1), einen Ringspalt (16) bildet,
(d) einen ersten Dichtsteg (51), einen zweiten Dichtsteg (52) und einen dritten Dichtsteg (53), die sich jeweils um die Drehachse (R) erstrecken und elastisch nachgiebig sind,
(e) einen axial zwischen dem ersten Dichtsteg (51) und dem zweiten Dichtsteg (52) in den Ringspalt (16) mündenden ersten Fluidanschluss (A, P, 7a), durch den das Druckfluid der ersten Stellkammer (K1) zuführbar ist,
(f) einen axial zwischen dem zweiten Dichtsteg (52) und dem dritten Dichtsteg (53) in den Ringspalt (16) mündenden zweiten Fluidanschluss (B, TB, 7b), durch den das Druckfluid von der zweiten Stellkammer (K2) abführbar ist,
(g) und eine an dem Rotor (7) oder der Befestigungsstruktur (10; 100) befestigte Dichtungshülse (50), die in einem Stück die Dichtstege (51, 52, 53) und axial zwischen den Dichtstegen (51, 52, 53) diese miteinander verbindende Verbindungsstege (56, 58) bildet, wobei im Bereich wenigstens eines der Verbindungsstege (56, 57) einer der Fluidanschlüsse (A, P, 7a, B, TB, 7b) gebildet ist.

Figure imgaf001
Phase adjuster for adjusting the rotational angular position of a camshaft relative to a crankshaft of an internal combustion engine, the phaser comprises:
(a) a rotatably driven by the crankshaft stator (3),
(B) one of the stator (3) about a rotational axis (R) rotatably driven rotor (7) which forms with the stator (3) a first actuating chamber (K 1 ) and a second actuating chamber (K 2 ), which can be acted upon by a pressurized fluid are in order to be able to adjust the rotor (7) relative to the stator (3) about the axis of rotation (R),
(C) a torque-fixed connection of the rotor (7) with the camshaft (1) axially through the rotor (7) extending attachment structure (10; 100) with the rotor (7), and in the connected state optionally also with the camshaft (1) forms an annular gap (16),
(d) a first sealing ridge (51), a second sealing ridge (52) and a third sealing ridge (53) each extending about the axis of rotation (R) and being resiliently resilient,
(e) a first fluid connection (A, P, 7a) opening axially between the first sealing web (51) and the second sealing web (52) into the annular gap (16), by means of which the pressurized fluid can be fed to the first positioning chamber (K 1 ),
(F) a second between the second sealing web (52) and the third sealing web (53) in the annular gap (16) opening second fluid port (B, T B , 7b), through which the pressurized fluid from the second actuating chamber (K 2 ) can be discharged is
(g) and a sealing sleeve (50) fixed to the rotor (7) or the mounting structure (10; 100), which in one piece form the sealing webs (51, 52, 53) and axially between the sealing webs (51, 52, 53) this connecting webs connecting (56, 58) forms, wherein in the region of at least one of the connecting webs (56, 57) one of the fluid ports (A, P, 7a, B, T B , 7b) is formed.
Figure imgaf001
EP13177506.6A 2012-07-24 2013-07-22 Camshaft phase adjuster with sealing sleeve Not-in-force EP2690261B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012213002.0A DE102012213002A1 (en) 2012-07-24 2012-07-24 Camshaft phaser with sealing sleeve

Publications (3)

Publication Number Publication Date
EP2690261A2 EP2690261A2 (en) 2014-01-29
EP2690261A3 true EP2690261A3 (en) 2014-03-12
EP2690261B1 EP2690261B1 (en) 2016-09-07

Family

ID=48808232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13177506.6A Not-in-force EP2690261B1 (en) 2012-07-24 2013-07-22 Camshaft phase adjuster with sealing sleeve

Country Status (4)

Country Link
EP (1) EP2690261B1 (en)
CN (1) CN103573319B (en)
DE (1) DE102012213002A1 (en)
HU (1) HUE029773T2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2743466B1 (en) * 2012-12-11 2015-03-18 Hilite Germany GmbH Oscillating motor of a phaser
DE102013203139A1 (en) * 2013-02-26 2014-08-28 Schaeffler Technologies Gmbh & Co. Kg Central valve cage with circumferential groove on the inner circumference and hydraulic camshaft adjuster
JP6225750B2 (en) * 2014-02-27 2017-11-08 アイシン精機株式会社 Valve timing control device
JP6295720B2 (en) * 2014-02-27 2018-03-20 アイシン精機株式会社 Valve timing control device
DE102014226304A1 (en) * 2014-12-17 2016-06-23 Robert Bosch Gmbh Piston fuel pump for an internal combustion engine
DE102014226316A1 (en) 2014-12-17 2016-06-23 Robert Bosch Gmbh Piston fuel pump for an internal combustion engine
JP6578896B2 (en) * 2015-11-09 2019-09-25 アイシン精機株式会社 Valve timing control device
JP6721334B2 (en) * 2015-12-28 2020-07-15 株式会社ミクニ Valve timing change device
DE102016204779B4 (en) * 2016-03-23 2023-12-07 Schaeffler Technologies AG & Co. KG Camshaft adjustment system for an internal combustion engine of a motor vehicle
DE102016214914A1 (en) 2016-08-10 2018-02-15 Schwäbische Hüttenwerke Automotive GmbH Partikelabscheidesystem
DE102017104348B3 (en) 2017-03-02 2018-05-30 Schaeffler Technologies AG & Co. KG Hydraulic camshaft adjuster
DE102017111900A1 (en) 2017-05-31 2018-03-15 Schaeffler Technologies AG & Co. KG Camshaft adjusting device
CN109281724B (en) * 2017-07-21 2022-07-26 舍弗勒技术股份两合公司 Camshaft adjuster and internal combustion engine
DE102017122425A1 (en) * 2017-09-27 2019-03-28 ECO Holding 1 GmbH Kit with a camshaft adjuster
DE102017011004A1 (en) * 2017-11-28 2019-05-29 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with ring-type check valve
JP6497430B2 (en) * 2017-11-30 2019-04-10 アイシン精機株式会社 Valve timing control device
DE102018115343A1 (en) * 2018-06-26 2020-01-02 Schaeffler Technologies AG & Co. KG Control valve with sealing contour on a sleeve-shaped hydraulic guide element; as well as kit with control valve and camshaft adjuster
US11542843B2 (en) 2018-09-25 2023-01-03 Schaeffler Technologies AG & Co. KG Insertion piece for camshaft phaser and camshaft phaser
CN109590932B (en) * 2018-12-19 2024-04-05 海力达汽车科技有限公司 Phase regulator concentricity inflating adjusting clamp and device
DE102019100949B4 (en) * 2019-01-15 2020-09-03 ECO Holding 1 GmbH Sleeve for a swivel motor adjuster for a camshaft and a swivel motor adjuster for a camshaft
WO2023019599A1 (en) * 2021-08-20 2023-02-23 舍弗勒技术股份两合公司 Camshaft phase regulator

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US20060021933A1 (en) * 2004-07-29 2006-02-02 Ina-Schaeffler Kg Ring filter
DE102005034275A1 (en) * 2005-07-22 2007-01-25 Daimlerchrysler Ag Camshaft variable valve mechanism
DE102008006179A1 (en) * 2008-01-26 2009-07-30 Schaeffler Kg Control valve for a device for the variable adjustment of the timing of gas exchange valves in internal combustion engines
DE102008030057A1 (en) * 2008-06-27 2010-01-07 Hydraulik-Ring Gmbh Valve train for internal combustion engine, has valve sleeve guided by axially movable piston, and central fastening screw accomplishing axial securing of camshaft adjuster when adjuster is centered to camshaft by direct attachment
WO2011098361A1 (en) * 2010-02-10 2011-08-18 Hydraulik-Ring Gmbh Cartridge valve
US20120097122A1 (en) * 2010-10-26 2012-04-26 Delphi Technologies, Inc. Axially compact camshaft phaser

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DE10346443A1 (en) * 2003-10-07 2005-05-04 Daimler Chrysler Ag Hydraulic camshaft adjuster for internal combustion engine, has electromagnetic operating unit for operating hydraulic control valve having valve housing with control piston for controlling supply of hydraulic fluid
DE102008057491A1 (en) * 2008-11-15 2010-05-20 Daimler Ag Camshaft adjusting device for changing phase relationship between camshaft and crankshaft, has fixation unit fixing structural unit at shaft, where respective portions of units exhibit identical heat expansion coefficients
DE102010002713B4 (en) 2010-03-09 2013-12-05 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with control valve for the hydraulic adjustment of the phasing of a camshaft
DE102011004539A1 (en) 2011-02-22 2012-08-23 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with improved locking device
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Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
US20060021933A1 (en) * 2004-07-29 2006-02-02 Ina-Schaeffler Kg Ring filter
DE102005034275A1 (en) * 2005-07-22 2007-01-25 Daimlerchrysler Ag Camshaft variable valve mechanism
US20080149056A1 (en) * 2005-07-22 2008-06-26 Lutz Grunow Camshaft adjuster control valve arrangement
DE102008006179A1 (en) * 2008-01-26 2009-07-30 Schaeffler Kg Control valve for a device for the variable adjustment of the timing of gas exchange valves in internal combustion engines
DE102008030057A1 (en) * 2008-06-27 2010-01-07 Hydraulik-Ring Gmbh Valve train for internal combustion engine, has valve sleeve guided by axially movable piston, and central fastening screw accomplishing axial securing of camshaft adjuster when adjuster is centered to camshaft by direct attachment
WO2011098361A1 (en) * 2010-02-10 2011-08-18 Hydraulik-Ring Gmbh Cartridge valve
US20120097122A1 (en) * 2010-10-26 2012-04-26 Delphi Technologies, Inc. Axially compact camshaft phaser

Also Published As

Publication number Publication date
DE102012213002A1 (en) 2014-01-30
HUE029773T2 (en) 2017-04-28
EP2690261B1 (en) 2016-09-07
CN103573319B (en) 2016-09-14
CN103573319A (en) 2014-02-12
EP2690261A2 (en) 2014-01-29

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