EP1302630A3 - Device for changing the timing of gas exchange valves of an internal combustion engine, especially a rotary piston phasing device for changing the angle of a camshaft relative to a crank shaft - Google Patents

Device for changing the timing of gas exchange valves of an internal combustion engine, especially a rotary piston phasing device for changing the angle of a camshaft relative to a crank shaft Download PDF

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Publication number
EP1302630A3
EP1302630A3 EP02020920A EP02020920A EP1302630A3 EP 1302630 A3 EP1302630 A3 EP 1302630A3 EP 02020920 A EP02020920 A EP 02020920A EP 02020920 A EP02020920 A EP 02020920A EP 1302630 A3 EP1302630 A3 EP 1302630A3
Authority
EP
European Patent Office
Prior art keywords
changing
combustion engine
internal combustion
gas exchange
impeller
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
EP02020920A
Other languages
German (de)
French (fr)
Other versions
EP1302630B1 (en
EP1302630A2 (en
Inventor
Eduard Golovatai-Schmidt
Andreas Strauss
Jens Schäfer
Martin Dr. Scheidt
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.)
IHO Holding GmbH and Co KG
Original Assignee
INA 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 INA Schaeffler KG filed Critical INA Schaeffler KG
Publication of EP1302630A2 publication Critical patent/EP1302630A2/en
Publication of EP1302630A3 publication Critical patent/EP1302630A3/en
Application granted granted Critical
Publication of EP1302630B1 publication Critical patent/EP1302630B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
    • 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
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34469—Lock movement parallel to camshaft axis

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

Die Erfindung betrifft eine Vorrichtung (1) zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, welche aus einem mit einer Kurbelwelle in Antriebsverbindung stehenden Antriebsrad (2) und aus einem drehfest mit einer Nockenwelle verbundenen Flügelrad (3) besteht. Das Flügelrad (3) ist durch ein Verriegelungselement (14) mit einem Antriebsrad (2) mechanisch koppelbar.The invention relates to a device (1) for changing the control times of Gas exchange valves of an internal combustion engine, which consist of a with a Crankshaft in drive connection drive wheel (2) and from one there is an impeller (3) connected to a camshaft in a rotationally fixed manner. The impeller (3) can be mechanically coupled to a drive wheel (2) by a locking element (14).

Erfindungsgemäß ist das Verriegelungselement (14) als auf seiner gesamten Länge gleichmäßig zylindrischer Verriegelungsstift ausgebildet und in einer Axialbohrung (17) in der Radnabe (10) des Flügelrades (3) angeordnet, deren Längsachse einen geringst möglichen Abstand zur Längsmittelachse der Vorrichtung (1) aufweist. Dabei weist dessen Aufnahme (16) eine viereckförmige und in ihrer Fläche um ein allseitiges Spiel größer als die Querschnittsfläche des Verriegelungselementes (14) ausgebildete Kontur auf und ist mit einer einmündenden Wurmnut (18) zur Druckmittelzuführung ausgebildet.

Figure 00000001
According to the invention, the locking element (14) is designed as a locking pin which is uniformly cylindrical over its entire length and is arranged in an axial bore (17) in the wheel hub (10) of the impeller (3), the longitudinal axis of which is at the smallest possible distance from the longitudinal central axis of the device (1) , Its receptacle (16) has a quadrangular contour which is larger in its area by a play on all sides than the cross-sectional area of the locking element (14) and is designed with a merging worm groove (18) for supplying pressure medium.
Figure 00000001
EP02020920A 2001-10-15 2002-09-19 Device for changing the timing of gas exchange valves of an internal combustion engine, especially a rotary piston phasing device for changing the angle of a camshaft relative to a crank shaft Expired - Lifetime EP1302630B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10150856A DE10150856B4 (en) 2001-10-15 2001-10-15 Device for changing the timing of gas exchange valves of an internal combustion engine, in particular rotary piston adjusting device for adjusting the rotational angle of a camshaft relative to a crankshaft
DE10150856 2001-10-15

Publications (3)

Publication Number Publication Date
EP1302630A2 EP1302630A2 (en) 2003-04-16
EP1302630A3 true EP1302630A3 (en) 2003-11-26
EP1302630B1 EP1302630B1 (en) 2009-05-06

Family

ID=7702573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020920A Expired - Lifetime EP1302630B1 (en) 2001-10-15 2002-09-19 Device for changing the timing of gas exchange valves of an internal combustion engine, especially a rotary piston phasing device for changing the angle of a camshaft relative to a crank shaft

Country Status (5)

Country Link
US (1) US6805080B2 (en)
EP (1) EP1302630B1 (en)
JP (1) JP2003120231A (en)
DE (2) DE10150856B4 (en)
ES (1) ES2324598T3 (en)

Families Citing this family (30)

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Publication number Priority date Publication date Assignee Title
DE10332881A1 (en) 2003-07-19 2005-02-10 Ina-Schaeffler Kg Valve timing adjustment device for IC engine, uses rotary piston hydraulic setting mechanism for adjusting camshaft angle relative to crankshaft
DE10354586A1 (en) * 2003-11-21 2005-06-16 Ina-Schaeffler Kg Hydraulic phaser and method of operating the same
DE10355502A1 (en) * 2003-11-27 2005-06-23 Ina-Schaeffler Kg System for controlling timing of IC engine especially radial piston type engine has a camshaft mounted wheel with hydraulic ducts inside an outer drive wheel connected to the crankshaft
US7178495B2 (en) * 2003-12-19 2007-02-20 Hydraulik-Ring Gmbh Adjusting device for camshafts, particularly for motor vehicles
US6948467B2 (en) * 2004-02-27 2005-09-27 Delphi Technologies, Inc. Locking pin mechanism for a vane-type cam phaser
DE102004019770A1 (en) * 2004-04-23 2005-11-10 Bayerische Motoren Werke Ag Hydraulic device for infinitely variable camshaft adjustment
DE102004022097A1 (en) 2004-05-05 2005-12-08 Daimlerchrysler Ag Hydraulic camshaft adjuster and method of mounting same
DE102004028868A1 (en) * 2004-06-15 2006-01-05 Ina-Schaeffler Kg Internal combustion engine with a hydraulic device for adjusting the rotational angle of a camshaft relative to a crankshaft
DE102006031594A1 (en) 2006-07-08 2008-01-10 Schaeffler Kg Device for the variable adjustment of the timing of gas exchange valves of an internal combustion engine
DE102009041755B4 (en) * 2008-10-09 2019-02-21 Schaeffler Technologies AG & Co. KG Double independent adjustment system for independently adjusting the intake and exhaust cam lobes of a concentric camshaft assembly
DE102009041873A1 (en) * 2008-10-09 2010-04-15 Schaeffler Kg Camshaft adjuster for the inner camshaft of a concentric camshaft assembly
DE102010015716A1 (en) 2009-04-24 2010-10-28 Schaeffler Technologies Gmbh & Co. Kg Slide valve for concentric cam shaft arrangement, has internal cam shaft, which works as oiling control valve housings, and internal cam shaft having hollow inner side
DE102009030201A1 (en) 2009-06-24 2010-12-30 Schaeffler Technologies Gmbh & Co. Kg Device for the variable adjustment of the timing of gas exchange valves of an internal combustion engine
CN102652208B (en) 2009-12-11 2015-05-13 谢夫勒科技股份两合公司 Stepped rotor for camshaft phaser
DE102011004539A1 (en) * 2011-02-22 2012-08-23 Schwäbische Hüttenwerke Automotive GmbH Camshaft phaser with improved locking device
DE102012200756A1 (en) * 2012-01-19 2013-07-25 Schaeffler Technologies AG & Co. KG Built plastic rotor with integrated cartridge and spring suspension
WO2013128295A2 (en) 2012-02-28 2013-09-06 Schaeffler Technologies AG & Co. KG Electric phasing of a concentric camshaft
DE102013219406A1 (en) 2012-09-28 2014-04-03 Denso Corporation VALVE TIMING CONTROL DEVICE
CN104074614B (en) * 2013-03-28 2016-09-07 比亚迪股份有限公司 The crank position of engine controls device
JP5967137B2 (en) * 2013-07-31 2016-08-10 株式会社デンソー Valve timing adjustment device
DE102014216119A1 (en) 2013-08-22 2015-02-26 Schaeffler Technologies Gmbh & Co. Kg Method and device for winding a return spring with a two-part rotor for a cam phaser
DE102014205103B4 (en) * 2014-03-19 2020-11-26 Schaeffler Technologies AG & Co. KG Camshaft adjuster
DE102014003933A1 (en) 2014-03-20 2015-09-24 Gkn Sinter Metals Engineering Gmbh Variable camshaft adjuster with locking disc, locking disc and method of making the same
US9341089B2 (en) 2014-04-04 2016-05-17 RB Distribution, Inc. Camshaft phaser
DE102014008155A1 (en) 2014-05-30 2015-12-17 Daimler Ag Camshaft adjusting device
WO2016133782A1 (en) 2015-02-20 2016-08-25 Schaeffler Technologies AG & Co. KG Camshaft phaser
DE102018128865A1 (en) 2018-11-16 2020-05-20 Schaeffler Technologies AG & Co. KG Hydraulic camshaft adjuster
CN111659958B (en) * 2020-06-17 2024-05-07 深圳市领时机械有限公司 Power chamfering device for radial holes on inner side walls of small holes
WO2022036651A1 (en) * 2020-08-20 2022-02-24 舍弗勒技术股份两合公司 Cam phase adjuster
US11994043B2 (en) * 2022-03-03 2024-05-28 Schaeffler Technologies AG & Co. KG Contaminant pathway for camshaft phaser

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DE19929393A1 (en) * 1999-06-26 2000-12-28 Schaeffler Waelzlager Ohg Internal combustion engine camshaft adjustment system centers round electric magnet to smoothly control current load on pressure chambers to turn camshaft relative crankshaft and release locking element.
US20010054405A1 (en) * 2000-06-22 2001-12-27 Unisia Jecs Corporation Variable valve control apparatus for an internal combustion engine
US20020078913A1 (en) * 2000-12-25 2002-06-27 Mitsubishi Denki Kabushiki Kaisha Valve timing control device

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GB2302391B (en) * 1995-06-14 1999-08-18 Nippon Denso Co Control apparatus for varying the rotational or angular phase between two rotational shafts
JPH1150820A (en) * 1997-08-05 1999-02-23 Toyota Motor Corp Valve timing control device for internal combustion engine
JPH11218014A (en) * 1998-02-03 1999-08-10 Toyota Motor Corp Variable valve timing device
JP4203703B2 (en) * 2000-06-14 2009-01-07 アイシン精機株式会社 Valve timing control device
JP4802394B2 (en) * 2000-08-03 2011-10-26 アイシン精機株式会社 Valve timing control device
US6374788B1 (en) * 2000-12-25 2002-04-23 Mitsubishi Denki Kabushiki Kaisha Valve timing control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19929393A1 (en) * 1999-06-26 2000-12-28 Schaeffler Waelzlager Ohg Internal combustion engine camshaft adjustment system centers round electric magnet to smoothly control current load on pressure chambers to turn camshaft relative crankshaft and release locking element.
US20010054405A1 (en) * 2000-06-22 2001-12-27 Unisia Jecs Corporation Variable valve control apparatus for an internal combustion engine
US20020078913A1 (en) * 2000-12-25 2002-06-27 Mitsubishi Denki Kabushiki Kaisha Valve timing control device

Also Published As

Publication number Publication date
ES2324598T3 (en) 2009-08-11
DE10150856A1 (en) 2003-04-24
DE50213520D1 (en) 2009-06-18
EP1302630B1 (en) 2009-05-06
US6805080B2 (en) 2004-10-19
JP2003120231A (en) 2003-04-23
US20030084863A1 (en) 2003-05-08
DE10150856B4 (en) 2005-08-11
EP1302630A2 (en) 2003-04-16

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