JP2005273507A - 可変動弁装置のアクチュエータ - Google Patents
可変動弁装置のアクチュエータ Download PDFInfo
- Publication number
- JP2005273507A JP2005273507A JP2004085904A JP2004085904A JP2005273507A JP 2005273507 A JP2005273507 A JP 2005273507A JP 2004085904 A JP2004085904 A JP 2004085904A JP 2004085904 A JP2004085904 A JP 2004085904A JP 2005273507 A JP2005273507 A JP 2005273507A
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- JP
- Japan
- Prior art keywords
- control shaft
- actuator
- shaft
- permanent magnet
- engine
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
- F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
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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
-
- 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
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
- F01L2013/0073—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "Delphi" type
-
- 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
-
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/03—Auxiliary actuators
- F01L2820/032—Electric motors
-
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/04—Sensors
- F01L2820/041—Camshafts position or phase sensors
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
【解決手段】 電動モータ36の回転駆動によってボール螺子軸45を回転させて、複数のボール54を介して軸方向へ直線移動するボールナット46を有すると共に、該ボールナットと制御軸32との間を連係する連係アーム47及びリンク部材48とを備えている。前記連係アームの基部47aを制御軸の取付フランジ32aに2本のボルト58,58によって取付固定することにより、制御軸に作用する交番トルクによる経時的な前記ボルトの緩みを防止して、突出部60に設けられた永久磁石62のガタの発生を抑制して、検出センサ44の検出精度の低下を防止した。
【選択図】 図1
Description
機関運転状態に応じて前記ロッカアームの揺動支点を変化させることにより、揺動カムのカム面のバルブリフター上面に対する当接位置を変化させて機関弁のバルブリフトを可変にするように構成されたことを特徴とする請求項1〜3のいずれかに記載の可変動弁装置のアクチュエータ。
4…可変機構
6…駆動機構(アクチュエータ)
32…制御軸
32a…取付フランジ
37…螺子伝達手段
44…検出センサ
45…ボール螺子軸
46…ボールナット(移動部材)
47…連係リンク(伝達機構)
47a…基部
47b…アーム部
48…リンク部材(伝達機構)
49…ボール循環溝(ねじ部)
58…ボルト
60…突出部
61…保持部
61a…保持溝
62…永久磁石
Claims (3)
- 機関運転状態に応じて制御軸の回転位置を制御することによって機関弁の作動状態を変化させる可変動弁装置のアクチュエータであって、
前記アクチュエータは、前記制御軸の一端に複数のボルトによって固定された固定部材と、
該固定部材に非磁性体からなる突出部を介して設けられた永久磁石と、
該永久磁石の回転状態を検出する検出器とを備えたことを特徴とする可変動弁装置のアクチュエータ。 - 前記アクチュエータは、前記固定部材に径方向に沿って一体に設けられて、前記制御軸と一体に回動するアーム部と、
外周にねじ部が形成された出力軸を機関の運転状態に応じて回転駆動制御する回転付与機構と、
前記出力軸の外周に設けられて、該出力軸の回転に伴い前記ねじ部を介して軸方向へ移動する移動部材と、
前記アーム部と移動部材と間に揺動自在に連結されて、前記移動部材の軸方向の移動を回転運動に変換して前記制御軸に伝達するリンク部材とを備えたことを特徴とする請求項1に記載の可変動弁装置のアクチュエータ。 - 前記突出部を、先端部が前記複数のボルトの頭部位置よりも軸方向へ突出した位置となる長さに設定したことを特徴とする請求項1または2に記載の可変動弁装置のアクチュエータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004085904A JP4163650B2 (ja) | 2004-03-24 | 2004-03-24 | 可変動弁装置のアクチュエータ |
US11/079,187 US7497192B2 (en) | 2004-03-24 | 2005-03-15 | Variable valve system with control shaft actuating mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004085904A JP4163650B2 (ja) | 2004-03-24 | 2004-03-24 | 可変動弁装置のアクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005273507A true JP2005273507A (ja) | 2005-10-06 |
JP4163650B2 JP4163650B2 (ja) | 2008-10-08 |
Family
ID=34988312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004085904A Expired - Fee Related JP4163650B2 (ja) | 2004-03-24 | 2004-03-24 | 可変動弁装置のアクチュエータ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7497192B2 (ja) |
JP (1) | JP4163650B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009150244A (ja) * | 2007-12-19 | 2009-07-09 | Hitachi Ltd | 内燃機関の可変動弁装置及びその駆動機構 |
US7658172B2 (en) | 2006-10-31 | 2010-02-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Valve unit of internal combustion engine |
US10287931B2 (en) | 2016-07-04 | 2019-05-14 | Hyundai Kefico Corporation | Embedded-component-type actuator and continuously variable valve duration system, and valve train system formed thereby |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008045434A (ja) * | 2006-08-11 | 2008-02-28 | Honda Motor Co Ltd | 可変動弁装置を備えた内燃機関 |
DE102007037215A1 (de) * | 2007-08-07 | 2009-02-12 | Robert Bosch Gmbh | Stellorgan |
JP6208589B2 (ja) * | 2014-02-04 | 2017-10-04 | 日立オートモティブシステムズ株式会社 | 可変圧縮比機構のアクチュエータとリンク機構のアクチュエータ |
CN109519248B (zh) * | 2017-09-18 | 2020-09-29 | 上海汽车集团股份有限公司 | 电控气门机构、发动机及汽车 |
CN111351423B (zh) * | 2020-03-19 | 2021-08-03 | 郑州爱因特电子科技有限公司 | 一种法兰连接螺栓松动监测方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4570118A (en) * | 1981-11-20 | 1986-02-11 | Gulf & Western Manufacturing Company | Angular position transducer including permanent magnets and Hall Effect device |
EP0545106B1 (en) * | 1991-11-12 | 1997-04-16 | Chrysler Corporation | Direct ignition system sensor |
JPH11211410A (ja) | 1998-01-30 | 1999-08-06 | Matsushita Electric Ind Co Ltd | 非接触型位置センサ |
JP2000220413A (ja) | 1999-02-03 | 2000-08-08 | Toyota Motor Corp | カムシャフト |
JP2002155716A (ja) | 2000-09-05 | 2002-05-31 | Unisia Jecs Corp | 内燃機関の可変動弁装置 |
JP2002235577A (ja) | 2001-02-09 | 2002-08-23 | Yanmar Diesel Engine Co Ltd | エンジンのカム軸 |
JP4012445B2 (ja) * | 2002-08-13 | 2007-11-21 | 株式会社日立製作所 | 内燃機関の可変動弁装置 |
JP4004890B2 (ja) | 2002-08-13 | 2007-11-07 | 株式会社日立製作所 | 内燃機関の可変動弁装置 |
JP2005048671A (ja) * | 2003-07-29 | 2005-02-24 | Mitsubishi Electric Corp | エンジン用吸気制御装置 |
JP4169716B2 (ja) * | 2004-03-24 | 2008-10-22 | 株式会社日立製作所 | 可変動弁装置のアクチュエータ |
-
2004
- 2004-03-24 JP JP2004085904A patent/JP4163650B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-15 US US11/079,187 patent/US7497192B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7658172B2 (en) | 2006-10-31 | 2010-02-09 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Valve unit of internal combustion engine |
JP2009150244A (ja) * | 2007-12-19 | 2009-07-09 | Hitachi Ltd | 内燃機関の可変動弁装置及びその駆動機構 |
JP4668257B2 (ja) * | 2007-12-19 | 2011-04-13 | 日立オートモティブシステムズ株式会社 | 内燃機関の可変動弁装置及びその駆動機構 |
US10287931B2 (en) | 2016-07-04 | 2019-05-14 | Hyundai Kefico Corporation | Embedded-component-type actuator and continuously variable valve duration system, and valve train system formed thereby |
Also Published As
Publication number | Publication date |
---|---|
JP4163650B2 (ja) | 2008-10-08 |
US20050211205A1 (en) | 2005-09-29 |
US7497192B2 (en) | 2009-03-03 |
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