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 PDFInfo
- 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
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
- F01L1/022—Chain drive
-
- 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
-
- 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
-
- 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
- F01L1/024—Belt drive
-
- 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
- F01L1/026—Gear drive
-
- 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
- F01L2001/3443—Solenoid driven 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
- F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
- F01L2001/3444—Oil filters
-
- 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
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/86702—With internal flow passage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
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 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
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)
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 |
DE102006061104A1 (en) | 2006-12-22 | 2008-06-26 | Schaeffler Kg | Method for determining a duty cycle for a valve of a camshaft adjuster |
DE102006061105B4 (en) * | 2006-12-22 | 2018-09-13 | Schaeffler Technologies AG & Co. KG | Valve for a phaser and a method for operating the valve |
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 |
WO2009010331A1 (en) | 2007-07-18 | 2009-01-22 | Schaeffler Kg | Valve part for a control valve for control of pressure medium flows |
WO2009010332A1 (en) | 2007-07-18 | 2009-01-22 | Schaeffler Kg | Valve part for a hydraulic control valve |
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 |
JP5284358B2 (en) | 2008-07-17 | 2013-09-11 | 三菱電機株式会社 | Solenoid valve for variable valve timing adjustment device and variable valve timing adjustment 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 |
DE102009054051A1 (en) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Switchable device for pressure supply with passive additional pressure accumulator |
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 |
DE102009054052B4 (en) | 2009-11-20 | 2018-08-23 | Schaeffler Technologies AG & Co. KG | Switchable device for pressure supply |
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 |
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 |
US11111827B2 (en) | 2016-10-06 | 2021-09-07 | Borgwarner, Inc. | Double flapper valve for a variable cam timing system |
CN112682122B (en) | 2016-10-06 | 2022-09-09 | 博格华纳公司 | Dual flap valve for 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)
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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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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 |
KR100443184B1 (en) * | 1999-09-14 | 2004-08-04 | 미쓰비시덴키 가부시키가이샤 | 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 |
-
2004
- 2004-08-06 DE DE200410038252 patent/DE102004038252A1/en not_active Ceased
-
2005
- 2005-04-12 EP EP20050007929 patent/EP1596041A3/en not_active Ceased
- 2005-05-12 US US11/127,902 patent/US7533695B2/en not_active Expired - Fee Related
- 2005-05-13 JP JP2005141754A patent/JP2005325841A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Also Published As
Publication number | Publication date |
---|---|
JP2005325841A (en) | 2005-11-24 |
US20050252561A1 (en) | 2005-11-17 |
US7533695B2 (en) | 2009-05-19 |
EP1596041A2 (en) | 2005-11-16 |
DE102004038252A1 (en) | 2005-12-15 |
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