EP1596041A3 - Control valve for a camshaft timing phaser in an internal combustion engine - Google Patents

Control valve for a camshaft timing phaser in an internal combustion engine Download PDF

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Publication number
EP1596041A3
EP1596041A3 EP20050007929 EP05007929A EP1596041A3 EP 1596041 A3 EP1596041 A3 EP 1596041A3 EP 20050007929 EP20050007929 EP 20050007929 EP 05007929 A EP05007929 A EP 05007929A EP 1596041 A3 EP1596041 A3 EP 1596041A3
Authority
EP
European Patent Office
Prior art keywords
combustion engine
internal combustion
control valve
valve housing
camshaft timing
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.)
Ceased
Application number
EP20050007929
Other languages
German (de)
French (fr)
Other versions
EP1596041A2 (en
Inventor
Andreas Strauss
Andreas Röhr
Jens Hoppe
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
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
Publication of EP1596041A2 publication Critical patent/EP1596041A2/en
Publication of EP1596041A3 publication Critical patent/EP1596041A3/en
Ceased legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/022Chain drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/024Belt drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/026Gear drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34426Oil control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34426Oil control valves
    • F01L2001/3443Solenoid driven oil control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34436Features or method for avoiding malfunction due to foreign matters in oil
    • F01L2001/3444Oil filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • F01L1/3442Valve-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
    • F01L2001/3445Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453Locking means between driving and driven members
    • F01L2001/34469Lock movement parallel to camshaft axis
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/8667Reciprocating valve
    • Y10T137/86694Piston valve
    • Y10T137/86702With internal flow passage

Abstract

Die Erfindung betrifft Steuerventil (18) für eine Vorrichtung (1) zur Veränderung der Steuerzeiten einer Brennkraftmaschine mit einem im wesentlichen hohlzylindrisch ausgeführten Ventilgehäuse (34), einem innerhalb des Ventilgehäuses (34) angeordneten und axial verschiebbaren Steuerkolben (37), einem Druckmittelanschluss (P), zwei Arbeitsanschlüssen (A, B), mindestens einem Tankanschluss (T1), wobei die Arbeitsanschlüsse (A, B) der Druckmittelanschluss (P) und der Tankanschluss (T1) als radiale Anschlüsse ausgebildet sind und die Arbeitsanschlüsse (A, B) mit dem Druckmittelanschluss (P) und dem Tankanschluss (T1) durch axiales Verschieben des Steuerkolbens (37) innerhalb des Ventilgehäuses (34) verbindbar sind. Erfindungsgemäß sind die Arbeitsanschlüsse (A, B) benachbart angeordnet

Figure imgaf001
The invention relates to control valve (18) for a device (1) for changing the timing of an internal combustion engine having a substantially hollow cylindrical valve housing (34), an inside the valve housing (34) arranged and axially displaceable control piston (37), a pressure medium connection (P ), two working ports (A, B), at least one tank port (T 1 ), wherein the working ports (A, B) of the pressure fluid port (P) and the tank port (T 1 ) are formed as radial ports and the working ports (A, B ) are connectable to the pressure medium connection (P) and the tank connection (T 1 ) by axial displacement of the control piston (37) within the valve housing (34). According to the invention, the working connections (A, B) are arranged adjacent
Figure imgaf001

EP20050007929 2004-05-14 2005-04-12 Control valve for a camshaft timing phaser in an internal combustion engine Ceased EP1596041A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004023976 2004-05-14
DE102004023976 2004-05-14
DE200410038252 DE102004038252A1 (en) 2004-05-14 2004-08-06 Control valve for a device for changing the timing of an internal combustion engine
DE102004038252 2004-08-06

Publications (2)

Publication Number Publication Date
EP1596041A2 EP1596041A2 (en) 2005-11-16
EP1596041A3 true EP1596041A3 (en) 2008-07-16

Family

ID=34935007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050007929 Ceased EP1596041A3 (en) 2004-05-14 2005-04-12 Control valve for a camshaft timing phaser in an internal combustion engine

Country Status (4)

Country Link
US (1) US7533695B2 (en)
EP (1) EP1596041A3 (en)
JP (1) JP2005325841A (en)
DE (1) DE102004038252A1 (en)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004036096B4 (en) * 2004-07-24 2017-09-14 Schaeffler Technologies AG & Co. KG Control valve for a device for changing the timing of an internal combustion engine
DE102005041393A1 (en) 2005-09-01 2007-03-08 Schaeffler Kg Control valve for a device for changing the timing of an internal combustion engine
DE102005047641A1 (en) * 2005-10-05 2007-04-12 Schaeffler Kg Control valve for a camshaft adjuster
DE102006008861B4 (en) * 2006-02-25 2008-08-14 Hofer Mechatronik Gmbh Camshaft adjuster for an internal combustion engine
DE102006020320A1 (en) * 2006-05-03 2007-11-08 Schaeffler Kg Valve for a camshaft adjuster
DE102006031595A1 (en) * 2006-07-08 2008-02-21 Schaeffler Kg Hydraulic clamping system
DE102006061105B4 (en) 2006-12-22 2018-09-13 Schaeffler Technologies AG & Co. KG Valve for a phaser and a method for operating the valve
DE102006061104A1 (en) 2006-12-22 2008-06-26 Schaeffler Kg Method for determining a duty cycle for a valve of a camshaft adjuster
DE102007015333B4 (en) * 2007-03-30 2020-08-27 Schaeffler Technologies AG & Co. KG Control valve and manufacturing method for the control valve
EP2006499A3 (en) * 2007-06-07 2008-12-31 Delphi Technologies, Inc. Locking mechanism for a camshaft phaser
WO2009010332A1 (en) 2007-07-18 2009-01-22 Schaeffler Kg Valve part for a hydraulic control valve
KR101546979B1 (en) 2007-07-18 2015-08-24 섀플러 테크놀로지스 아게 운트 코. 카게 Valve part for a control valve for control of pressure medium flows
DE102007053688A1 (en) 2007-11-10 2009-05-14 Schaeffler Kg Control valve assembly for camshaft adjuster of internal combustion engine, comprises hollow cylindrical valve housing and hydraulic control valve for controlling pressure medium flow
DE102008004591A1 (en) 2008-01-16 2009-07-23 Schaeffler Kg Hydraulic control valve with integrated check valve
EP2136041B1 (en) 2008-06-19 2011-06-08 Hydraulik-Ring GmbH Valve to shift a camshaft
DE102008030058B4 (en) 2008-06-27 2010-06-17 Hydraulik-Ring Gmbh Camshaft adjusting device and suitable valve for it
DE102008030057B4 (en) 2008-06-27 2018-01-25 Hilite Germany Gmbh Camshaft adjustment device
CN102066701B (en) 2008-07-17 2013-06-12 三菱电机株式会社 Solenoid valve for variable valve timing device and variable valve timing system
US20100084019A1 (en) * 2008-10-08 2010-04-08 Schaeffler Kg Central spool valve
DE102009008056A1 (en) 2009-02-09 2010-08-12 Schaeffler Technologies Gmbh & Co. Kg Control valves for controlling pressure medium flows
DE102009022869A1 (en) * 2009-05-27 2010-12-09 Hydraulik-Ring Gmbh Vane phaser system
DE102009024026B4 (en) 2009-06-05 2022-12-08 Schaeffler Technologies AG & Co. KG Control valve for controlling the flow of pressure medium with an integrated non-return valve
JP2011064105A (en) * 2009-09-16 2011-03-31 Hitachi Automotive Systems Ltd Valve timing control apparatus for internal combustion engine
DE102009050779B4 (en) 2009-10-27 2016-05-04 Hilite Germany Gmbh Schwenkmotornockenwellenversteller with a friction disc and mounting method
DE102009051310A1 (en) 2009-10-29 2011-05-05 Schaeffler Technologies Gmbh & Co. Kg Fastening arrangement of a camshaft adjuster
DE102009052841A1 (en) 2009-11-13 2011-05-19 Hydraulik-Ring Gmbh camshafts use
KR101134973B1 (en) * 2009-11-19 2012-04-09 기아자동차주식회사 Engine brake and engine provided with the same
DE102009054050A1 (en) 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Switchable device for supplying pressure to lubricating oil system of internal-combustion engine, has braking device switched into switched-off condition, in which rotating motion of screw pillar is not prevented
DE102009054051A1 (en) 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Switchable device for pressure supply with passive additional pressure accumulator
DE102009054052B4 (en) 2009-11-20 2018-08-23 Schaeffler Technologies AG & Co. KG Switchable device for pressure supply
DE102009054055A1 (en) 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Switchable device for pressure supply
DE102009054053A1 (en) 2009-11-20 2011-05-26 Schaeffler Technologies Gmbh & Co. Kg Pressure reservoir for hydraulic system, has housing, movable element and energy storage, where movable element is arranged within housing
EP2363579A1 (en) * 2010-02-24 2011-09-07 Delphi Technologies, Inc. Oil flow control valve with two check valves
DE102010009401A1 (en) * 2010-02-26 2011-09-01 Schaeffler Technologies Gmbh & Co. Kg Proportional valve, in particular for a camshaft adjuster
DE102010045358A1 (en) 2010-04-10 2011-10-13 Hydraulik-Ring Gmbh Schwenkmotornockenwellenversteller with a hydraulic valve
DE102010019005B4 (en) 2010-05-03 2017-03-23 Hilite Germany Gmbh Schwenkmotorversteller
DE102010023863A1 (en) 2010-06-15 2011-12-15 Hydraulik-Ring Gmbh Assembled camshaft for camshaft drive system for actuating charge-cycle valve of internal combustion engine, has piston supported opposite to camshaft insert and directly mounted within pipe for pivoting rotor against stator
DE102010032251A1 (en) * 2010-07-26 2012-01-26 Schaeffler Technologies Gmbh & Co. Kg Check valve and hydraulic valve with built-in check valve
DE102010050813A1 (en) 2010-11-09 2012-05-10 Schaeffler Technologies Gmbh & Co. Kg Control piston i.e. cylindrical body, for 4/3-way central valve utilized in camshaft adjusting device for actuating camshaft of petrol engine for automobile, has air- and oil-permeable separation structure arranged in cavity filled with oil
US8695548B2 (en) 2010-12-10 2014-04-15 Denso Corporation Valve timing control apparatus
JP5152313B2 (en) * 2010-12-10 2013-02-27 株式会社デンソー Valve timing adjustment device
DE102010061337B4 (en) 2010-12-20 2015-07-09 Hilite Germany Gmbh Hydraulic valve for a Schwenkmotorversteller
US8662039B2 (en) 2011-03-16 2014-03-04 Delphi Technologies, Inc. Camshaft phaser with coaxial control valves
JP2012241740A (en) * 2011-05-16 2012-12-10 Denso Corp Solenoid valve and hydraulic control device
JP5360173B2 (en) * 2011-09-15 2013-12-04 株式会社デンソー Valve timing adjustment device
DE102011084059B4 (en) 2011-10-05 2016-12-08 Schwäbische Hüttenwerke Automotive GmbH Control valve with integrated filter and camshaft phaser with the control valve
DE102012208809B4 (en) 2012-05-25 2020-11-26 Schaeffler Technologies AG & Co. KG Control valve of a camshaft adjuster
DE102012106096B3 (en) 2012-07-06 2014-05-15 Hilite Germany Gmbh Swivel motor adjuster with a hydraulic valve
JP5842767B2 (en) * 2012-08-21 2016-01-13 株式会社デンソー Valve timing adjustment device
DE102012220626A1 (en) * 2012-11-13 2014-05-15 Schaeffler Technologies Gmbh & Co. Kg Control valve for a hydraulic device with lock
US9657749B2 (en) 2013-03-11 2017-05-23 Hydraforce, Inc. Hydraulic suspension for vehicle and multi-functional proportional control valve for the same
JP5839239B2 (en) 2013-05-14 2016-01-06 株式会社デンソー Valve timing adjustment device
JP6217240B2 (en) 2013-08-27 2017-10-25 アイシン精機株式会社 Control valve and control valve mounting structure
JP6015605B2 (en) 2013-09-17 2016-10-26 株式会社デンソー Valve timing adjustment device
DE102014103400B3 (en) * 2014-03-13 2015-06-03 Hilite Germany Gmbh Hydraulic valve for a Schwenkmotorversteller a camshaft
DE102014207989A1 (en) 2014-04-29 2015-10-29 Schaeffler Technologies AG & Co. KG Hydraulic phaser of a camshaft
DE102015200543B4 (en) * 2015-01-15 2020-11-05 Schaeffler Technologies AG & Co. KG Control valve with drain channel and internal combustion engine
CN108049930B (en) 2016-10-06 2021-01-08 博格华纳公司 Dual flap valve for variable cam timing system
US11111827B2 (en) 2016-10-06 2021-09-07 Borgwarner, Inc. Double flapper valve for a variable cam timing system
US11459220B2 (en) * 2017-11-30 2022-10-04 Danfoss Power Solution II Technology A/S Hydraulic system with load sense and methods thereof
US11187330B2 (en) * 2018-04-17 2021-11-30 Hydraforce, Inc. Hydraulic balancing control valve and ride control system incorporating same
US20210230967A1 (en) * 2020-01-24 2021-07-29 PumpOne Environmental, LLC Multi-function valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205249A (en) * 1992-05-14 1993-04-27 Borg-Warner Automotive Transmission & Engine Components Corporation Variable camshaft timing system for internal combustion engine utilizing flywheel energy for reduced camshaft torsionals
US5263443A (en) * 1993-01-14 1993-11-23 Ford Motor Company Hydraulic phaseshifter
US5367992A (en) * 1993-07-26 1994-11-29 Borg-Warner Automotive, Inc. Variable camshaft timing system for improved operation during low hydraulic fluid pressure
WO2001040633A1 (en) * 1999-12-04 2001-06-07 Ina-Schaeffler Kg Device for adjusting the angle of rotation of a camshaft
DE10029261A1 (en) * 2000-06-14 2001-12-20 Deutz Ag Camshaft pivoting device has electrically activated control valve for hydraulic fluid integrated into camshaft pivoting device to feed hydraulic fluid to working chambers alternately
US20030033998A1 (en) * 2001-08-14 2003-02-20 Marty Gardner Hybrid multi-position cam indexer having controls located in rotor
WO2004005678A1 (en) * 2002-07-04 2004-01-15 Ina-Schaeffler Kg Electromagnetic hydraulic valve, in particular a proportional valve used for controlling an adjusting device for the angle of rotation of a camshaft with respect to the crankshaft of an internal combustion engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876796A (en) * 1954-11-12 1959-03-10 Int Harvester Co Minimum displacement balanced control valve
GB1252581A (en) * 1968-02-12 1971-11-10
DE3302000A1 (en) * 1983-01-21 1984-07-26 Danfoss A/S, Nordborg HYDRAULIC VALVE
US5289805A (en) * 1992-03-05 1994-03-01 Borg-Warner Automotive Transmission & Engine Components Corporation Self-calibrating variable camshaft timing system
JP3374475B2 (en) * 1993-11-16 2003-02-04 株式会社デンソー Valve timing adjustment device
JP3666072B2 (en) * 1995-09-13 2005-06-29 アイシン精機株式会社 Switching valve
WO2001020202A1 (en) * 1999-09-14 2001-03-22 Mitsubishi Denki Kabushiki Kaisha Oil control valve
DE10215939C1 (en) * 2002-04-11 2003-08-21 Ina Schaeffler Kg Electromagnetic hydraulic valve, for controlling camshaft setting device, has control piston moved by magnetic armature for controlling radial openings in axial bore of valve housing
DE10300974A1 (en) * 2003-01-14 2004-07-22 Hydraulik-Ring Gmbh Proportional solenoid valve of a camshaft adjustment device for motor vehicles
DE102004036096B4 (en) * 2004-07-24 2017-09-14 Schaeffler Technologies AG & Co. KG Control valve for a device for changing the timing of an internal combustion engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205249A (en) * 1992-05-14 1993-04-27 Borg-Warner Automotive Transmission & Engine Components Corporation Variable camshaft timing system for internal combustion engine utilizing flywheel energy for reduced camshaft torsionals
US5263443A (en) * 1993-01-14 1993-11-23 Ford Motor Company Hydraulic phaseshifter
US5367992A (en) * 1993-07-26 1994-11-29 Borg-Warner Automotive, Inc. Variable camshaft timing system for improved operation during low hydraulic fluid pressure
WO2001040633A1 (en) * 1999-12-04 2001-06-07 Ina-Schaeffler Kg Device for adjusting the angle of rotation of a camshaft
DE10029261A1 (en) * 2000-06-14 2001-12-20 Deutz Ag Camshaft pivoting device has electrically activated control valve for hydraulic fluid integrated into camshaft pivoting device to feed hydraulic fluid to working chambers alternately
US20030033998A1 (en) * 2001-08-14 2003-02-20 Marty Gardner Hybrid multi-position cam indexer having controls located in rotor
WO2004005678A1 (en) * 2002-07-04 2004-01-15 Ina-Schaeffler Kg Electromagnetic hydraulic valve, in particular a proportional valve used for controlling an adjusting device for the angle of rotation of a camshaft with respect to the crankshaft of an internal combustion engine

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JP2005325841A (en) 2005-11-24
US7533695B2 (en) 2009-05-19
DE102004038252A1 (en) 2005-12-15
US20050252561A1 (en) 2005-11-17
EP1596041A2 (en) 2005-11-16

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