WO2012056874A1 - 弁開閉時期制御装置 - Google Patents
弁開閉時期制御装置 Download PDFInfo
- Publication number
- WO2012056874A1 WO2012056874A1 PCT/JP2011/073313 JP2011073313W WO2012056874A1 WO 2012056874 A1 WO2012056874 A1 WO 2012056874A1 JP 2011073313 W JP2011073313 W JP 2011073313W WO 2012056874 A1 WO2012056874 A1 WO 2012056874A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotating member
- side rotating
- driven
- spring
- camshaft
- Prior art date
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Classifications
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- 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
- F01L1/356—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 making the angular relationship oscillate, e.g. non-homokinetic drive
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- 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
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- 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
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- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
-
- 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
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- 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
-
- 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
- F01L2301/00—Using particular materials
Definitions
- the present invention relates to a valve opening / closing timing control device that adjusts the opening / closing timing of an intake valve and an exhaust valve of an internal combustion engine such as an automobile in accordance with an operating state.
- a valve opening / closing timing control device is used in an internal combustion engine such as an automobile engine, and changes a relative rotation phase between a driving side rotating member that rotates synchronously with a crankshaft and a driven side rotating member that rotates synchronously with a camshaft.
- the valve opening / closing timing is adjusted so that the internal combustion engine is in a suitable operating state.
- the valve opening / closing timing control device disclosed in Patent Document 1 is provided with a spring member that urges the relative rotational phase toward the advance direction. This spring member is urged in the advance direction so as to cancel the force acting in the retard direction due to the torque fluctuation of the cam provided on the cam shaft.
- valve opening / closing timing control devices disclosed in Patent Document 1 and Patent Document 2 use aluminum as the material of the driving side rotating member and the driven side rotating member, which conventionally used cast iron materials and the like. .
- aluminum is lighter than cast iron-based materials, so it is a suitable material for automobiles that require weight reduction.
- the radial length of the spring member changes.
- the surface extending in the radial direction of the spring member and at least one member of the driving side rotating member and the driven side rotating member slide.
- a soft material such as aluminum is used as the material for the driving side rotating member and the driven side rotating member as in Patent Documents 1 and 2
- the driving side rotating member and the driven member are accompanied by a change in the radial length of the spring member.
- at least one member of the side rotating member was worn.
- the present invention has been made in view of the above problems, and even if a surface extending in the radial direction of the spring member and at least one member of the driving side rotating member and the driven side rotating member slide, those members are not It is an object of the present invention to provide a valve opening / closing timing control device capable of suppressing wear.
- a first characteristic configuration taken in the present invention includes a driving side rotating member that rotates in synchronization with a crankshaft of an internal combustion engine, and a coaxial arrangement with the driving side rotating member, A driven-side rotating member that rotates in synchronization with a camshaft for opening / closing a valve of an internal combustion engine, the drive-side rotating member, and the driven-side rotating member, and is supplied with hydraulic oil to thereby provide the driving-side rotating member with respect to the driving-side rotating member.
- a retard chamber that moves the relative rotation phase of the driven side rotation member in the retard direction, and an advance chamber that moves the relative rotation phase in the advance direction, and the drive side rotation member is the driven side rotation member
- a housing main body positioned on the outer side in the radial direction of the camshaft, and a housing side surface positioned on both sides of the housing main body in the axial direction of the camshaft and sliding with the driven-side rotating member.
- a spring member configured to urge the relative rotational phase toward the retarding direction or the advancing direction between the driven side rotating member and the housing side surface in the axial direction of the camshaft;
- a spring washer is disposed between the side rotation member and the spring member.
- a second characteristic configuration taken in the present invention is that the spring washer includes a fastening member washer portion of a fastening member that fastens the camshaft and the driven side rotating member.
- the spring washer since the spring washer includes the washer portion for the fastening member, the axial length of the camshaft of the valve opening / closing timing control device can be shortened as compared with the case where two washers are used. Moreover, since one member serves as both a washer for the spring member and a washer for the fastening member, an increase in the number of parts can be suppressed.
- the third characteristic configuration taken in the present invention is that the spring washer includes a guide portion for maintaining the posture of the spring member.
- the posture of the spring member can be held by the guide portion, the urging force of the spring member can be stably applied to the driven side rotating member.
- the fourth characteristic configuration taken in the present invention is that the driven side rotating member is made of aluminum, and the spring washer is made of a material having higher strength than aluminum.
- the spring washer formed of a material stronger than aluminum causes a change in the radial length of the spring member. Wear of the driven side rotating member can be suppressed.
- a fifth characteristic configuration taken in the present invention is that the spring washer is formed with a hook portion extending in the axial direction of the camshaft.
- a sixth characteristic configuration taken in the present invention is that one end of the spring member is engaged with the driven side rotation member via the hook portion.
- the spring member is provided in a state compressed from a free length to a predetermined length, and presses the housing side surface portion opposite to the side on which the camshaft is provided. It is.
- the spring member is provided in a state compressed from a free length to a predetermined length, so that the driven side rotating member and the housing side surface opposite to the side on which the cam shaft is provided are connected to the cam shaft. It is pressed to the side away in the axial direction.
- the driving side rotating member is pivotally supported by a camshaft or a driven side rotating member that rotates synchronously with the camshaft, and the axis is determined.
- the side surface of the housing opposite to the side where the camshaft is provided is pressed in the axial direction of the camshaft.
- the urging force of the spring member is directed to the axial direction of the camshaft so as to act on the side surface of the housing opposite to the side on which the camshaft is provided, whereby the housing on the side opposite to the side on which the camshaft is provided.
- the side portion is not pivotally supported by the camshaft or the driven side rotation member, it can be pivotally supported by the pressing force of the spring member.
- valve opening / closing timing control device according to the present invention is applied to an automobile as a valve opening / closing timing control device on an intake valve side or an exhaust valve side will be described with reference to the drawings.
- the valve opening / closing timing control device 1 includes a drive-side rotating member 10 that rotates synchronously with the crankshaft 100 of the internal combustion engine E, and a camshaft 101 for opening / closing the valve of the internal combustion engine E. And a driven side rotating member 11 that rotates synchronously. Further, the valve opening / closing timing control device 1 is formed by a driving side rotating member 10 and a driven side rotating member 11, and the relative rotation phase of the driven side rotating member 11 with respect to the driving side rotating member 10 is determined by supplying hydraulic oil. A retard chamber 20 that moves in the retard direction S1 and an advance chamber 21 that moves the relative rotational phase in the advance direction S2 are provided. As shown in FIG.
- the drive-side rotating member 10 is located on both sides of the housing main body 10 a in the axial direction of the housing main body 10 a and the camshaft 101 in the axial direction and is driven. It is comprised by the side rotation member 11 and the housing side surface parts 10b and 10c which slide.
- a torsion spring that is a spring member that urges the relative rotational phase toward the retarding direction S1 or the advancing direction S2 between the driven side rotating member 11 and the housing side surface portions 10b and 10c in the axial direction of the camshaft 101. 12 and a spring washer 14 is disposed between the driven side rotation member 11 and the torsion spring 12.
- the driving side rotating member 10 includes a housing main body portion 10a positioned on the radially outer side of the driven side rotating member 11, a housing side surface portion 10b positioned on the opposite side of the camshaft 101 across the housing main body portion 10a, and a housing main body portion. It is comprised by the housing side part 10c located in the camshaft 101 side rather than 10a.
- the housing side surface portion 10 c is pivotally supported by the camshaft 101 via the bearing member 15.
- the housing body 10 a is pivotally supported by the driven side rotating member 11.
- the housing side surface portion 10b is configured not to be eccentric from the axial center of the driven side rotating member 11 by a pressing force acting in the axial direction of the camshaft 101 from a torsion spring 12 described later.
- the housing main body portion 10 a and the housing side surface portions 10 b and 10 c are fastened by four bolts 16 to constitute the driving side rotating member 10. Therefore, the housing side surface portion 10 b is held by the pressing force of the torsion spring 12 and the fastening force of the bolt 16. Therefore, in the valve opening / closing timing control device 1 of the present embodiment, the driven-side rotating member 11 does not directly support the housing side surface portion 10b, so that the axial length of the camshaft 101 can be shortened.
- the drive-side rotating member 10 is preferably formed of a lightweight and easy-to-work metal such as aluminum.
- a timing sprocket 10d is formed on the outer periphery of the housing side surface portion 10c.
- a power transmission member 102 such as a timing chain or a timing belt is installed between the timing sprocket 10d and the crankshaft 100.
- the crankshaft 100 is rotated and the timing sprocket 10d is rotated via the power transmission member 102.
- the valve opening / closing timing control device 1 rotates in the rotation direction S.
- the driven side rotation member 11 is provided on the radially inner side of the housing body 10a.
- the driven side rotating member 11 rotates synchronously with the driving side rotating member while changing the relative rotation phase of the driven side rotating member with respect to the driving side rotating member based on the action hydraulic pressure of the retard chamber 20 and the advance chamber 21. Further, the driven side rotating member 11 is fastened to the camshaft 101 by the cam bolt 102, and the driven side rotating member 11 and the camshaft 101 rotate integrally.
- the driven-side rotating member 11 is preferably formed of a metal that is lightweight and easy to process, such as aluminum.
- the hydraulic oil to the retard chamber 20 and the advance chamber 21 is discharged from an oil pump (not shown) and supplied after its supply amount is controlled by an oil control valve (not shown).
- the oil control valve also controls the discharge of hydraulic oil from the retard chamber 20 and the advance chamber 21 to an oil pan (not shown).
- an accommodating portion 11 a that accommodates a torsion spring 12 and a spring washer 14 described later is formed on the radially inner side of the driven side rotating member 11.
- the accommodating portion 11a has a bottomed circular hole shape opened on the housing side surface portion 10b side.
- the housing portion 11a is formed with an engaged portion 11b which is a groove cut out from the bottom of the housing portion 11a toward the one-stage housing side surface portion 10c.
- the engaged portion 11b engages with a hook portion 14b of a spring washer 14, which will be described later.
- a torsion spring 12 is provided in the accommodating portion 11a.
- the torsion spring 12 has a shape in which a metal wire is wound spirally, and is bent so that one end 12 a and the other end 12 b of the wire are directed in the axial direction of the camshaft 101.
- the torsion spring 12 has one end 12a engaged with a driven side rotation member via a hook portion 14b of a spring washer 14 described later, and the other end 12b engaged with a housing side surface portion 10b.
- the torsion spring 12 urges the relative rotational phase of the driven side rotating member 11 with respect to the driving side rotating member 10 toward the advance direction S2.
- the torsion spring 12 is provided in a state compressed from a free length to a predetermined length in the axial direction of the camshaft 101, and the housing side surface portion 10 b opposite to the side on which the camshaft 101 is provided is separated from the camshaft 101. Press to the side.
- FIG. 4 shows a perspective view of the spring washer 14.
- the spring washer 14 is associated with the guide portion 14 a that prevents the torsion spring 12 from being deformed to the inner diameter side of the predetermined diameter when the relative rotation phase is urged toward the advance angle direction S 2, and the driven side rotation member 11.
- a hook portion 14b extending in the axial direction of the camshaft 101 so as to prevent the one end 12a of the torsion spring 12 from coming into direct contact with the driven rotation member 11.
- the spring washer 14 has a spring washer portion 14c for preventing the surface extending in the radial direction of the torsion spring 12 and the driven-side rotating member 11 from directly contacting each other, and a cam bolt washer portion 14d for the cam bolt 102. Yes.
- the spring washer 14 may be formed of a material having higher strength than the driven side rotating member 11. The spring washer 14 can be easily formed by forming a flat metal by press working.
- the valve opening / closing timing control device 1 is configured so that the driven side rotating member 11 and the torsion spring 12 can be connected to each other even when a soft material such as aluminum is used as the material of the driven side rotating member 11. Since the spring washer 14 is disposed between them, the wear of the driven side rotating member 11 accompanying the change in the radial length of the torsion spring 12 can be suppressed by the spring washer portion 14c.
- the spring washer 14 of the present embodiment includes a hook portion 14b that extends in the axial direction of the camshaft 101 so as to prevent the one end 12a of the torsion spring 12 from directly contacting the driven rotation member 11.
- a hook portion that extends in the axial direction of the camshaft 101 may be provided to prevent the other end 12b of the torsion spring 12 from coming into direct contact with the housing side surface portion 10b.
- the guide portion 14a of the spring washer 14 may be formed so as to extend further toward the housing side surface portion 10b in the axial direction of the camshaft 101.
- the torsion spring 12 of the present embodiment urges the relative rotational phase toward the advance direction S2
- it may be a torsion spring that urges toward the retard direction S1.
- the valve opening / closing timing control device has a locking mechanism that restrains the relative rotational phase at the most retarded phase, the locking mechanism can be used more reliably. An action that can be restrained is born.
- the present invention is applied to a valve opening / closing timing control device capable of suppressing wear even if a surface extending in a radial direction of a spring member and at least one member of a driving side rotating member and a driven side rotating member slide. Is possible.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
10 駆動側回転部材
10a ハウジング本体部(駆動側回転部材)
10b、10c ハウジング側面部(駆動側回転部材)
11 従動側回転部材
12 トーションスプリング(スプリング部材)
14 スプリングワッシャ
14a ガイド部
14b フック部
14c スプリングワッシャ部
14d カムボルトワッシャ部(締結部材用ワッシャ部)
20 遅角室
21 進角室
100 クランクシャフト
101 カムシャフト
102 カムボルト(締結部材)
Claims (7)
- 内燃機関のクランクシャフトと同期回転する駆動側回転部材と、
前記駆動側回転部材と同軸上に配置され、前記内燃機関の弁開閉用のカムシャフトと同期回転する従動側回転部材と、
前記駆動側回転部材と前記従動側回転部材とにより形成され、作動油が供給されることにより前記駆動側回転部材に対する前記従動側回転部材の相対回転位相を遅角方向に移動させる遅角室及び前記相対回転位相を進角方向に移動させる進角室と、を備え、
前記駆動側回転部材は、前記従動側回転部材の径方向外側に位置するハウジング本体部、及び前記カムシャフトの軸方向において前記ハウジング本体部の両側に位置しかつ前記従動側回転部材と摺動するハウジング側面部と、で構成され、
前記カムシャフトの軸方向において前記従動側回転部材と前記ハウジング側面部との間に前記相対回転位相を遅角方向もしくは進角方向に向けて付勢するスプリング部材を設けると共に、前記従動側回転部材と前記スプリング部材との間にスプリングワッシャを配置する弁開閉時期制御装置。 - 前記スプリングワッシャは、前記カムシャフトと前記従動側回転部材とを締結する締結部材の締結部材用ワッシャ部を備える請求項1に記載の開閉時期制御装置。
- 前記スプリングワッシャは、前記スプリング部材の姿勢を保持するガイド部を備える請求項1又は2に記載の弁開閉時期制御装置。
- 前記従動側回転部材はアルミニウムにて形成され、
前記スプリングワッシャはアルミニウムよりも高強度の材料にて形成される請求項1乃至3のいずれか1項に記載の弁開閉時期制御装置。 - 前記スプリングワッシャには、前記カムシャフトの軸方向に向けて延在するフック部が形成される請求項1乃至4のいずれか1項に記載の弁開閉時期制御装置。
- 前記スプリング部材の一端は、前記フック部を介在して前記従動側回転部材と係合する請求項5に記載の弁開閉時期制御装置。
- 前記スプリング部材は自由長から所定長さに圧縮した状態で設けられ、前記カムシャフトが備えられる側とは反対側の前記ハウジング側面部を押圧する請求項1乃至6のいずれか1項に記載の弁開閉時期制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20110836013 EP2602446B1 (en) | 2010-10-27 | 2011-10-11 | Valve timing control apparatus |
KR1020137005665A KR101384064B1 (ko) | 2010-10-27 | 2011-10-11 | 밸브 개폐 시기 제어 장치 |
US13/821,394 US9004028B2 (en) | 2010-10-27 | 2011-10-11 | Valve timing control apparatus |
CN201180043093.0A CN103221647B (zh) | 2010-10-27 | 2011-10-11 | 阀开闭定时控制装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-240586 | 2010-10-27 | ||
JP2010240586A JP5505257B2 (ja) | 2010-10-27 | 2010-10-27 | 弁開閉時期制御装置 |
Publications (1)
Publication Number | Publication Date |
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WO2012056874A1 true WO2012056874A1 (ja) | 2012-05-03 |
Family
ID=45993601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/073313 WO2012056874A1 (ja) | 2010-10-27 | 2011-10-11 | 弁開閉時期制御装置 |
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Country | Link |
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US (1) | US9004028B2 (ja) |
EP (1) | EP2602446B1 (ja) |
JP (1) | JP5505257B2 (ja) |
KR (1) | KR101384064B1 (ja) |
CN (1) | CN103221647B (ja) |
WO (1) | WO2012056874A1 (ja) |
Cited By (3)
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CN103670577A (zh) * | 2012-09-19 | 2014-03-26 | 日立汽车系统株式会社 | 内燃机的气门正时控制装置及其控制器 |
CN103899375A (zh) * | 2012-12-25 | 2014-07-02 | 谢夫勒科技股份两合公司 | 一种具有中央螺栓的凸轮轴调节器 |
CN108026796A (zh) * | 2015-09-10 | 2018-05-11 | 舍弗勒技术股份两合公司 | 具有弹簧的凸轮轴调节器 |
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WO2015121975A1 (ja) * | 2014-02-14 | 2015-08-20 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP6225750B2 (ja) * | 2014-02-27 | 2017-11-08 | アイシン精機株式会社 | 弁開閉時期制御装置 |
JP6222043B2 (ja) * | 2014-10-31 | 2017-11-01 | アイシン精機株式会社 | 弁開閉時期制御装置 |
DE102019114214A1 (de) * | 2019-05-28 | 2020-12-03 | ECO Holding 1 GmbH | Schwenkmotorversteller für eine Nockenwelle |
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- 2011-10-11 WO PCT/JP2011/073313 patent/WO2012056874A1/ja active Application Filing
- 2011-10-11 CN CN201180043093.0A patent/CN103221647B/zh not_active Expired - Fee Related
- 2011-10-11 KR KR1020137005665A patent/KR101384064B1/ko active IP Right Grant
- 2011-10-11 EP EP20110836013 patent/EP2602446B1/en not_active Not-in-force
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CN108026796A (zh) * | 2015-09-10 | 2018-05-11 | 舍弗勒技术股份两合公司 | 具有弹簧的凸轮轴调节器 |
US10641139B2 (en) * | 2015-09-10 | 2020-05-05 | Schaeffler Technologies AG & Co. KG | Camshaft adjuster comprising a spring |
CN108026796B (zh) * | 2015-09-10 | 2020-05-19 | 舍弗勒技术股份两合公司 | 具有弹簧的凸轮轴调节器 |
Also Published As
Publication number | Publication date |
---|---|
JP2012092739A (ja) | 2012-05-17 |
EP2602446B1 (en) | 2014-11-26 |
CN103221647A (zh) | 2013-07-24 |
EP2602446A4 (en) | 2013-11-20 |
JP5505257B2 (ja) | 2014-05-28 |
EP2602446A1 (en) | 2013-06-12 |
US9004028B2 (en) | 2015-04-14 |
CN103221647B (zh) | 2015-09-23 |
US20130167787A1 (en) | 2013-07-04 |
KR101384064B1 (ko) | 2014-04-09 |
KR20130054360A (ko) | 2013-05-24 |
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