WO2005061859A1 - 弁開閉時期制御装置 - Google Patents
弁開閉時期制御装置 Download PDFInfo
- Publication number
- WO2005061859A1 WO2005061859A1 PCT/JP2004/019025 JP2004019025W WO2005061859A1 WO 2005061859 A1 WO2005061859 A1 WO 2005061859A1 JP 2004019025 W JP2004019025 W JP 2004019025W WO 2005061859 A1 WO2005061859 A1 WO 2005061859A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control device
- rotor
- coil spring
- timing control
- housing member
- Prior art date
Links
- 239000003921 oil Substances 0.000 claims abstract description 40
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 9
- 230000000979 retarding effect Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34483—Phaser return springs
Definitions
- the present invention relates to a valve timing control device for controlling the opening and closing timing of a suction and exhaust valve of an internal combustion engine.
- a housing member is provided to improve responsiveness of phase conversion of a rotor member integrally rotating with a camshaft with respect to a housing member rotating integrally with a driving member such as a crankshaft.
- a driving member such as a crankshaft.
- a torsion coil spring which biases the rotor member in the advancing direction.
- the torsion spring has one end fixed to the housing member and the other end fixed to a locking groove formed in the camshaft or the rotor member (see, for example, Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 11-223113
- a first characterizing feature of the valve timing control device for achieving the above object is a housing member that rotates integrally with a drive member that transmits a driving force, and a relative rotation between the housing member and the housing member.
- a rotor member that is assembled to the vane portion to form an advancing oil chamber and a retarding oil chamber in the housing member and rotates integrally with the camshaft, and advances the rotor member with respect to the housing member.
- a valve opening / closing timing control device comprising: torque coil for urging in an angular direction; and a hydraulic circuit for controlling supply and discharge of hydraulic oil to the advance oil chamber or the retard oil chamber.
- torque coil for urging in an angular direction
- hydraulic circuit for controlling supply and discharge of hydraulic oil to the advance oil chamber or the retard oil chamber.
- One end of the coil spring is fixed to the housing member, and the other end is engaged with a projection provided on the rotor member;
- one end of the torque coil spring is fixed to the housing member, and the other end is a convex portion of the aperture member. Lock on.
- the torus coil spring can be fixed in a state where it is easily locked. Therefore, the assembly of the torque coil spring to the valve timing control device can be performed easily and reliably.
- the other end of the tortion coil spring is locked in a locking groove provided in the convex portion of the rotor member.
- the torus coil spring can be fixed to the device more reliably.
- the other end of the torsion coil spring can be locked to the locking groove by utilizing the frictional force with the locking groove. From these, it can be reliably prevented that the other end of the torso coil spring pops up the locking groove force.
- the assembly of the torque coil spring to the valve timing control device and the assembly of the device to the engine etc. can be performed easily and reliably.
- the other end of the torson coil spring is inserted into the locking groove and the locking groove provided in the mouth member, and the rotor member is The point is that it is held between the cam and the positioning pin positioned on the cam shaft.
- the other end of the torsion coil spring is held between the locking groove and the positioning pin, whereby the engagement of the other end of the torsion spring during the operation of the device is achieved.
- the movement in the depth direction of the retaining groove can be restricted. Therefore, wear of the torsion spring or the rotor member and the housing member can be prevented.
- a housing member that rotates integrally with a drive member, and a housing member that is relatively rotatably attached to the housing member and advances within the housing member at the vane portion.
- a rotor member that forms a chamber and a retarding oil chamber and rotates integrally with the camshaft; a torus coil spring that biases the rotor member in the advancing direction with respect to the housing member; and the advancing oil chamber or the advancing oil chamber
- a valve timing control device including an oil pressure circuit for controlling supply and discharge of hydraulic oil to a retard oil chamber, one end of the tortion coil spring is fixed to the housing member and the other end is fixed to the rotor member. It is in the point to be locked in the concave formed in the concave shape in the provided locking groove.
- one end of the torque coil spring is fixed to the housing member, and the other end is mounted to the shutter member.
- the displacement of the other end can be reliably prevented, and the torsion coil spring can be reliably fixed to the device.
- the other end of the torsion coil spring is held between the locking groove and the positioning pin, so that the engagement of the other end of the totion spring during the operation of the device.
- the movement in the depth direction of the retaining groove can be restricted. Therefore, toe V
- the wear of the rotor or rotor member and the housing member can be prevented.
- the totion spring can be assembled easily and reliably, and the structure can be made to improve the durability.
- the valve timing control device shown in FIG. 1 to FIG. 3 is a valve having a rotor force of 20 integrated with the tip of the intake camshaft 10 rotatably supported on a cylinder head (not shown) of the internal combustion engine.
- a housing member 3 comprising a rotor member 2 for opening and closing, a housing 30, a front plate 40, a rear plate 50, and a timing sprocket 51 integrally provided on the outer periphery of the rear plate 50; Vane 70 and lock key 80 assembled to housing 30!
- the housing 30 is mounted on the outer periphery of the rotor 20 so as to be relatively rotatable within a predetermined angular range. Further, on both sides of the housing 30, an annular front plate 40 and a bottomed cylindrical rear plate 50 having a recess 52 formed in the center are joined, and these are integrally connected by five connecting bolts 92. It is done.
- the rotational power is transmitted to the timing sprocket 51 in the clockwise direction of FIG. 2 via a timing gear 110 provided on an exhaust cam shaft (driving member) (not shown).
- a fluid pressure chamber R0 is formed between the front plate 40 and the rear plate 50 in the axial direction, between the housing 30 and the rotor 20 in the radial direction, and between the adjacent shoe portions 33 in the circumferential direction.
- the fluid pressure chamber R0 is divided by the vane 70 into an advancing chamber R1 and a retarding chamber R2.
- a recess part 34 for storing the lock key 80 and a recess part connected to the recess part 34 and a spring 81 for biasing the lock key 80 radially inward are housed in a part of one bush. And 35 are formed.
- the amount of relative rotation between the rotor 20 and the housing 30 depends on the circumferential width (angle) of the fluid pressure chamber R0.
- relative rotation is restricted at a position where the vane 70A abuts on one side surface of the shoe portion 33A in the circumferential direction, and on the most retarded side, the vane 70B is one of the circumferential portions of the shoe portion 33B. It is regulated at the position where it abuts on the side surface.
- the head of the lock key 80 enters the receiving groove 22 of the rotor 20 to restrict relative rotation between the rotor 20 and the housing 30.
- a convex portion 28 extending in the axial direction and having a hollow cylindrical portion 28a is formed on one end side (right side in FIG. 1), and a concave portion 29 is provided on the other end side. It is formed.
- the positioning pin 90 fixed to the end face of the camshaft 10 facing the locking groove 28b is locked in the locking groove 28b formed at the end of the convex portion 28.
- the rotor 20 and the camshaft 10 are positioned, and they are fixed by a single mounting bolt 91 through the cylindrical portion 28a.
- the positioning pin 90 Prior to connection of the rotor 20 to the camshaft 10, the positioning pin 90 is fixed to the camshaft 10 by press-fitting the camshaft 10 from the axial direction (left side in FIG. 1) of the camshaft 10.
- the rotor 20 is provided with four vane grooves 21, a lock key receiving groove 22, and four advancing passages 23 and retarding passages 24 extending radially.
- a vane 70 is radially movably attached to the vane groove 21. Vane groove 2
- a vane spring 73 is disposed between the vane 1 and the vane 70, and the tip end of the vane 70 is in pressure contact with the inner circumferential surface of the housing 30!
- Torsion coil spring 55 is formed between rotor 20 integrated with camshaft 10 and rear plate 50 integrated with housing 30 and housing 30, specifically, a recess 52 of rear plate 50 and a projection of rotor 20. It is disposed in a cylindrical space formed between the part 28 and the part 28.
- One end 55 a of the totion coil spring 55 is locked in the locking groove 52 a opened in the recess 52, and the other end 55 b is locked in the locking groove 28 b of the rotor 20. Further, the positioning pin 90 is locked in the locking groove 28b as described above. Therefore, the positioning pin 90 The movement of the locking groove 28b of the other end 55b of the totion coil spring 55 can be restricted during the operation of the valve timing control device. Therefore, wear of torque coil spring 55 or rotor 20 and housing 30 can be prevented.
- the torsion coil spring 55 takes into consideration the force in the retarding direction constantly acting on the rotor 20 with respect to the housing 30 etc. during operation of the internal combustion engine due to the fluctuation torque acting on the camshaft 10. Provided. That is, the rotor 20 is urged toward the advancing side with respect to the housing 30, the front plate 40 and the rear plate 50, and the response of the phase conversion to the advancing side of the rotor 20 is improved.
- An advance passage (hydraulic circuit) 65 and a retard passage (hydraulic circuit) 66 are formed axially in the shaft portion 61.
- the advancing passage 65 opens at the end 62 of the shaft 61 and communicates with a space 29 a defined by the end 62 and the recess 29.
- the space 29a is in communication with the advance oil chamber R1 via the advance oil passage 23.
- the retarded passage 66 is sealed at the end portion 62 side by the plug member 66 c and is formed on the outer periphery of the shaft portion 61 through the oil passage 66 a formed in the radial direction of the shaft portion 61. It communicates with the groove 66b.
- a retarded oil passage 24 opens at a position opposite to the recess 29 of the rotor 20 facing the oil groove 66b.
- a seal member 67 is provided between the oil groove 66b and the space 29a and is isolated in a fluid tight manner.
- the oil groove 66b is provided with a seal member 68 between it and the outside (atmosphere side), and is isolated from the outside in a fluid tight manner.
- the advance passage (hydraulic circuit) 65 and the retard passage (hydraulic circuit) 66 are each connected to an unillustrated switching valve.
- the switching valve is well known to move the spool against the spring by energizing the solenoid.
- the supply port connected to the oil pump driven by the internal combustion engine is in communication with the retarding passage 66, and the advancing port 65 is connected to the discharge tank. It is communicated with.
- the supply port is in communication with the advance passage 65, and the discharge port is in communication with the delay passage 66.
- the switching valve, the oil pump and the like constitute a hydraulic circuit.
- valve timing control device of the first embodiment Next, the operation of the valve timing control device of the first embodiment will be described.
- the state shown in FIG. The head of the key 80 is inserted into the receiving groove 22 of the rotor 20 by a predetermined amount, and in the locked state where relative rotation between the rotor 20 and the housing 30 is restricted at the most retarded position, the solenoid of the switching valve is energized.
- the duty ratio is increased, and the position of the spool is switched.
- the hydraulic oil (hydraulic pressure) to which the oil pump force is also supplied is supplied to the advancing chamber R1 through the feed port of the switching valve, the advancing passage 65, the space 29a and the passage 23.
- the hydraulic fluid (hydraulic pressure) is also supplied to the receiving groove 22 from the passage 23A.
- the hydraulic oil (hydraulic pressure) in the retarding oil chamber R2 is discharged from the discharge port of the switching valve via the passage 24, the oil groove 66b, the oil passage 66a and the retarding passage 66.
- the hydraulic oil can be supplied to each retarding oil chamber R 2 by decreasing the duty ratio for energizing the switching valve. At this time, the hydraulic oil can be discharged from each of the advancing oil chambers R1. Therefore, the rotor 20 and each vane 70 are retarded with respect to the housing 30, the two plates 40, 50, etc. steplessly from the position of the most advanced state to the position of the most retarded state in FIG. It can be relatively rotated (counterclockwise).
- the other end 55b of the totion coil spring 55 is engaged with a recess 28c formed in a recessed shape in a locking groove 28b provided on the rotor 20. It is configured to be stopped.
- the other parts of the configuration are the same as those of the first embodiment, and the same reference numerals are assigned and the description thereof is omitted.
- the other end 55b of the torusion coil spring 55 are locked in locking grooves 28 b formed in the rotor 20.
- Toshirosu coil pulling 55 The other end 55b is locked in the recess 28c to fix the tortion coil spring 55 to the device.
- the other end 55 b of the torsion coil spring 55 may be sandwiched between the locking groove 28 b and the positioning pin 90. That is, by holding the other end 55b of the torsion coil spring 55 between the locking groove 28b and the positioning pin 90, the locking groove of the other end 55b of the totion coil spring 55 during operation of the device. The movement in the depth direction at 28 b can be restricted. Therefore, the wear of the totion coil spring 55 can be prevented.
- one end 55 a of the torsion key spring 55 is locked in the locking groove 52 a of the fourth plate 52 of the rear plate 50. Further, the other end 55b is locked in the locking groove 28b of the convex portion 28 of the rotor member 20, and the totion coil spring 55 is assembled to the valve timing control device.
- valve timing control device is fixed to the camshaft 10 by the mounting bolt 91.
- valve timing control device can be used to control the switching timing of the intake and exhaust valves of an internal combustion engine.
- FIG. 1 is a longitudinal sectional view of a valve timing control device showing a first embodiment of the present invention.
- FIG. 2 A sectional view taken along the line A--A of FIG.
- FIG. 4 A valve timing control device according to a second embodiment of the present invention, as shown by arrow B in FIG. Front view seen from the force
- FIG. 5 Side view as viewed from the direction of arrow C in FIG.
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
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602004025283T DE602004025283D1 (de) | 2003-12-22 | 2004-12-20 | VENTILÖFFNUNGS-/-SCHLIEßZEITSTEUERVORRICHTUNG |
EP04807382A EP1703087B1 (en) | 2003-12-22 | 2004-12-20 | Valve opening/closing timing control device |
US10/580,049 US7503294B2 (en) | 2003-12-22 | 2004-12-20 | Apparatus for controlling valve opening/closing timing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003424797A JP3952015B2 (ja) | 2003-12-22 | 2003-12-22 | 弁開閉時期制御装置 |
JP2003-424797 | 2003-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005061859A1 true WO2005061859A1 (ja) | 2005-07-07 |
Family
ID=34708796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/019025 WO2005061859A1 (ja) | 2003-12-22 | 2004-12-20 | 弁開閉時期制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7503294B2 (ja) |
EP (1) | EP1703087B1 (ja) |
JP (1) | JP3952015B2 (ja) |
CN (1) | CN100430575C (ja) |
DE (1) | DE602004025283D1 (ja) |
WO (1) | WO2005061859A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7503294B2 (en) | 2003-12-22 | 2009-03-17 | Aisin Seiki Kabushiki Kaisha | Apparatus for controlling valve opening/closing timing |
US8776742B2 (en) | 2010-12-24 | 2014-07-15 | Hitachi Automotive Systems, Ltd. | Valve timing control apparatus for internal combustion engine |
US9657608B2 (en) | 2013-01-18 | 2017-05-23 | Mikuni Corporation | Variable valve timing device and method of assembling same |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006033425A1 (de) * | 2006-07-19 | 2008-02-21 | Schaeffler Kg | Gruppe mehrerer Nockenwellen mit Nockenwellenverstellern |
US8047332B2 (en) * | 2007-05-08 | 2011-11-01 | Raytheon Company | Direct grease injection for large open gearing |
JP4434245B2 (ja) | 2007-07-19 | 2010-03-17 | 株式会社デンソー | バルブタイミング調整装置 |
JP2009024600A (ja) * | 2007-07-19 | 2009-02-05 | Denso Corp | バルブタイミング調整装置 |
JP2009180148A (ja) * | 2008-01-30 | 2009-08-13 | Denso Corp | バルブタイミング調整装置 |
JP2009185766A (ja) * | 2008-02-08 | 2009-08-20 | Denso Corp | バルブタイミング調整装置 |
DE102008001078A1 (de) * | 2008-04-09 | 2009-10-15 | Robert Bosch Gmbh | Vorrichtung zum Verändern der Nockenwellenphasenlage |
CN101900005B (zh) * | 2010-06-29 | 2011-10-26 | 绵阳富临精工机械股份有限公司 | 发动机可变气门正时系统凸轮轴智能调相器 |
JP5739168B2 (ja) * | 2011-01-12 | 2015-06-24 | 日立オートモティブシステムズ株式会社 | 内燃機関のバルブタイミング制御装置 |
JP5713823B2 (ja) * | 2011-07-08 | 2015-05-07 | 日立オートモティブシステムズ株式会社 | バルブタイミング制御装置に用いられる制御弁 |
US9057292B2 (en) * | 2011-07-12 | 2015-06-16 | Aisin Seiki Kabushiki Kaisha | Valve timing adjustment system |
JP5803363B2 (ja) * | 2011-07-12 | 2015-11-04 | アイシン精機株式会社 | 弁開閉時期調整システム |
CN103946491A (zh) * | 2012-01-16 | 2014-07-23 | 爱信精机株式会社 | 阀开闭时期控制装置 |
DE102012206567B4 (de) | 2012-04-20 | 2024-09-26 | Schaeffler Technologies AG & Co. KG | Federaufhängung eines hydraulischen Nockenwellenverstellers |
JP5916497B2 (ja) * | 2012-04-23 | 2016-05-11 | 日立オートモティブシステムズ株式会社 | 内燃機関のバルブタイミング制御装置及びこのバルブタイミング制御装置の作動油給排構造 |
JP6091115B2 (ja) * | 2012-09-07 | 2017-03-08 | 日立オートモティブシステムズ株式会社 | 内燃機関のバルブタイミング制御装置及びその製造方法 |
DE102012218403A1 (de) | 2012-10-10 | 2014-04-10 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulischer Nockenwellenversteller mit Federdeckel sowie Federdeckel mit integrierter Federaufnahme und variabler Federvorspannkraft |
US10132210B1 (en) * | 2017-05-16 | 2018-11-20 | Schaeffler Technologies AG & Co. KG | Electric camshaft phaser with detent and method thereof |
KR102452466B1 (ko) * | 2017-12-22 | 2022-10-11 | 현대자동차주식회사 | 차량용 캠샤프트 유닛 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5870983A (en) | 1996-06-21 | 1999-02-16 | Denso Corporation | Valve timing regulation apparatus for engine |
DE19849959A1 (de) | 1997-10-30 | 1999-05-12 | Aisin Seiki | Ventilzeitsteuervorrichtung |
US20010003974A1 (en) | 1999-12-15 | 2001-06-21 | Shuji Mizutani | Valve timing adjuster for internal combustion engine |
JP2002161719A (ja) * | 2000-11-30 | 2002-06-07 | Denso Corp | バルブタイミング調整装置 |
DE10104038A1 (de) | 2001-01-31 | 2002-08-01 | Bayerische Motoren Werke Ag | Vorrichtung zum Verdrehen einer Exzenterwelle eines Ventiltriebs |
JP2002250208A (ja) * | 2001-02-22 | 2002-09-06 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
JP2003013716A (ja) * | 2001-07-02 | 2003-01-15 | Toyota Motor Corp | 内燃機関のバルブタイミング可変装置 |
JP2003278512A (ja) * | 2002-03-26 | 2003-10-02 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0262062A (ja) | 1988-08-26 | 1990-03-01 | Nec Corp | マスタースライス型半導体装置 |
JPH11223113A (ja) | 1998-02-06 | 1999-08-17 | Mitsubishi Motors Corp | カム位相可変装置 |
JP3619402B2 (ja) | 1999-09-10 | 2005-02-09 | ダイハツ工業株式会社 | 2サイクルユニフロー型ディーゼル内燃機関の可変バルブタイミング装置 |
US6276321B1 (en) * | 2000-01-11 | 2001-08-21 | Delphi Technologies, Inc. | Cam phaser having a torsional bias spring to offset retarding force of camshaft friction |
JP2001289013A (ja) | 2000-04-04 | 2001-10-19 | Denso Corp | 可変バルブタイミング装置 |
JP4284871B2 (ja) * | 2001-01-31 | 2009-06-24 | 株式会社デンソー | 内燃機関用バルブタイミング調整装置 |
US6439184B1 (en) * | 2001-01-31 | 2002-08-27 | Denso Corporation | Valve timing adjusting system of internal combustion engine |
JP4423799B2 (ja) * | 2001-03-22 | 2010-03-03 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP4329274B2 (ja) | 2001-03-30 | 2009-09-09 | 株式会社デンソー | バルブタイミング調整装置 |
JP4296718B2 (ja) * | 2001-03-30 | 2009-07-15 | 株式会社デンソー | バルブタイミング調整装置 |
JP2003120229A (ja) | 2001-10-05 | 2003-04-23 | Hitachi Unisia Automotive Ltd | 内燃機関のバルブタイミング制御装置 |
JP3952015B2 (ja) | 2003-12-22 | 2007-08-01 | アイシン精機株式会社 | 弁開閉時期制御装置 |
-
2003
- 2003-12-22 JP JP2003424797A patent/JP3952015B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-20 DE DE602004025283T patent/DE602004025283D1/de active Active
- 2004-12-20 US US10/580,049 patent/US7503294B2/en not_active Expired - Fee Related
- 2004-12-20 WO PCT/JP2004/019025 patent/WO2005061859A1/ja not_active Application Discontinuation
- 2004-12-20 CN CNB2004800354265A patent/CN100430575C/zh not_active Expired - Fee Related
- 2004-12-20 EP EP04807382A patent/EP1703087B1/en not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5870983A (en) | 1996-06-21 | 1999-02-16 | Denso Corporation | Valve timing regulation apparatus for engine |
DE19849959A1 (de) | 1997-10-30 | 1999-05-12 | Aisin Seiki | Ventilzeitsteuervorrichtung |
US20010003974A1 (en) | 1999-12-15 | 2001-06-21 | Shuji Mizutani | Valve timing adjuster for internal combustion engine |
JP2002161719A (ja) * | 2000-11-30 | 2002-06-07 | Denso Corp | バルブタイミング調整装置 |
DE10104038A1 (de) | 2001-01-31 | 2002-08-01 | Bayerische Motoren Werke Ag | Vorrichtung zum Verdrehen einer Exzenterwelle eines Ventiltriebs |
JP2002250208A (ja) * | 2001-02-22 | 2002-09-06 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
JP2003013716A (ja) * | 2001-07-02 | 2003-01-15 | Toyota Motor Corp | 内燃機関のバルブタイミング可変装置 |
JP2003278512A (ja) * | 2002-03-26 | 2003-10-02 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1703087A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7503294B2 (en) | 2003-12-22 | 2009-03-17 | Aisin Seiki Kabushiki Kaisha | Apparatus for controlling valve opening/closing timing |
US8776742B2 (en) | 2010-12-24 | 2014-07-15 | Hitachi Automotive Systems, Ltd. | Valve timing control apparatus for internal combustion engine |
US9657608B2 (en) | 2013-01-18 | 2017-05-23 | Mikuni Corporation | Variable valve timing device and method of assembling same |
Also Published As
Publication number | Publication date |
---|---|
DE602004025283D1 (de) | 2010-03-11 |
EP1703087A4 (en) | 2008-07-02 |
US20070095199A1 (en) | 2007-05-03 |
CN1886577A (zh) | 2006-12-27 |
EP1703087A1 (en) | 2006-09-20 |
EP1703087B1 (en) | 2010-01-20 |
JP2005180378A (ja) | 2005-07-07 |
JP3952015B2 (ja) | 2007-08-01 |
US7503294B2 (en) | 2009-03-17 |
CN100430575C (zh) | 2008-11-05 |
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