JP5907089B2 - エンジンの動弁装置 - Google Patents
エンジンの動弁装置 Download PDFInfo
- Publication number
- JP5907089B2 JP5907089B2 JP2013035745A JP2013035745A JP5907089B2 JP 5907089 B2 JP5907089 B2 JP 5907089B2 JP 2013035745 A JP2013035745 A JP 2013035745A JP 2013035745 A JP2013035745 A JP 2013035745A JP 5907089 B2 JP5907089 B2 JP 5907089B2
- Authority
- JP
- Japan
- Prior art keywords
- cam
- cam element
- portions
- face
- 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.)
- Active
Links
Images
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
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- 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
- F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- 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
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
-
- 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
- F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
- F01L2013/0052—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
-
- 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
- F01L2820/031—Electromagnets
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)
Description
10 軸部
201〜204 カム要素部
221、222 第1、第2カム部
23 端面カム
32 操作部材(ピン部)
Claims (4)
- カムシャフトが、軸部と、該軸部に該軸部と一体回転しかつ軸方向に移動可能に嵌合されたカム要素部とでなり、
該カム要素部に、1つの弁について共通のベースサークルを有し、かつノーズ部の形状が異なる複数のカム部が隣接して設けられ、
該カム要素部を前記軸部上で軸方向に移動させることにより弁を開閉させるカム部を切り換え可能としたエンジンの動弁装置であって、
前記カム要素部は1つの軸部に少なくとも2つ備えられ、
隣接する2つのカム要素部の互いに対向する一端側の端面に、両カム要素部の近接時にリフト部が軸方向に重なるように位相をずらせて端面カムがそれぞれ設けられていると共に、
前記両カム要素部の近接時に前記端面カムの対向面間に突入してこれらの端面カムに係合することにより、両カム要素部を互いに他端側に離間させる作動位置と、両カム要素部の端面カムの対向面間から退避した不作動位置とに移動する操作部材が設けられていることを特徴とするエンジンの動弁装置。 - 前記請求項1に記載の発明において、
前記2つのカム要素部の前記他端側の端面に、それぞれ第2の端面カムが設けられていると共に、
前記カム要素部が前記他端側に位置する状態で、前記第2の端面カムの対面位置に突入して係合することにより、該カム要素部を前記一端側に移動させる作動位置と、前記第2の端面カムの対面位置から退避した不作動位置とに移動する第2の操作部材が、2つのカム要素部のそれぞれに備えられていることを特徴とするエンジンの動弁装置。 - 前記請求項1に記載の発明において、
前記エンジンは複数の気筒が直列に並ぶ多気筒エンジンであり、前記2つのカム要素部は隣接する2つの気筒にそれぞれ備えられたものであり、前記操作部材は、前記2つの気筒間において、前記2つのカム要素部の対向する端面カムに係合可能に配置されていることを特徴とするエンジンの動弁装置。 - 前記請求項3に記載の発明において、
気筒列の両端に位置する気筒に備えられた2つの端部配置のカム要素部の前記他端側の端面に、それぞれ第2の端面カムが設けらていると共に、
前記端部配置のカム要素部が前記他端側に位置する状態で、前記第2の端面カムの対面位置に突入して係合することにより、該カム要素部を前記一端側に移動させる作動位置と、前記第2の端面カムの対面位置から退避した不作動位置とに移動する第2の操作部材が、2つの端部配置のカム要素部のそれぞれに備えられていることを特徴とするエンジンの動弁装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013035745A JP5907089B2 (ja) | 2013-02-26 | 2013-02-26 | エンジンの動弁装置 |
DE102014002267.6A DE102014002267A1 (de) | 2013-02-26 | 2014-02-19 | Verbrennungskraftmaschine, Ventilbetätigungsvorrichtung und Verfahren zum Trennen von zwei benachbarten Nockengliedern |
US14/184,346 US9309786B2 (en) | 2013-02-26 | 2014-02-19 | Valve operating device of engine |
CN201410060393.5A CN104005809B (zh) | 2013-02-26 | 2014-02-21 | 发动机的动阀装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013035745A JP5907089B2 (ja) | 2013-02-26 | 2013-02-26 | エンジンの動弁装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014163313A JP2014163313A (ja) | 2014-09-08 |
JP5907089B2 true JP5907089B2 (ja) | 2016-04-20 |
Family
ID=51349554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013035745A Active JP5907089B2 (ja) | 2013-02-26 | 2013-02-26 | エンジンの動弁装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9309786B2 (ja) |
JP (1) | JP5907089B2 (ja) |
CN (1) | CN104005809B (ja) |
DE (1) | DE102014002267A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9422833B2 (en) * | 2014-11-24 | 2016-08-23 | GM Global Technology Operations LLC | Camshaft assembly for an internal combustion engine |
EP3277934A1 (en) * | 2015-04-02 | 2018-02-07 | Eaton Corporation | Split axial cam shifting system variable valve actuation functions |
US9518644B1 (en) * | 2015-05-26 | 2016-12-13 | GM Global Technology Operations LLC | Sliding camshaft with improved compressive residual stress |
JP6390593B2 (ja) * | 2015-11-11 | 2018-09-19 | マツダ株式会社 | カム要素部材の製造方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0333412A (ja) * | 1989-06-30 | 1991-02-13 | Suzuki Motor Corp | 単気筒エンジンの可変バルブタイミング装置 |
DE102004008670B4 (de) * | 2004-02-21 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Ventiltrieb mit Nockenumschaltung für die Gaswechselventile eines 4-Takt-Verbrennungsmotors |
DE102007037358B4 (de) | 2007-08-08 | 2022-04-14 | Daimler Ag | Brennkraftmaschinenschaltvorrichtung |
DE102008060170A1 (de) * | 2008-11-27 | 2010-06-02 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Ventiltrieb einer Brennkraftmaschine |
DE102008061440B3 (de) * | 2008-12-10 | 2010-06-02 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Ventiltrieb zur Betätigung von Gaswechselventilen von Brennkraftmaschinen |
DE102010011897B4 (de) | 2010-03-18 | 2016-08-25 | Thyssenkrupp Presta Teccenter Ag | Ventiltrieb mit Nockenwelle mit axial verschiebbarer Nockeneinheit |
SE534761C2 (sv) * | 2010-04-19 | 2011-12-13 | Scania Cv Ab | Ventillyftanordning hos en förbränningsmotor |
CN102822477B (zh) * | 2011-04-07 | 2016-02-10 | 丰田自动车株式会社 | 可变气门正时装置 |
JP5772318B2 (ja) * | 2011-07-11 | 2015-09-02 | スズキ株式会社 | 内燃機関の可変動弁装置 |
JP2013253482A (ja) * | 2012-06-05 | 2013-12-19 | Toyota Motor Corp | 可変動弁装置 |
CN102817666B (zh) * | 2012-09-10 | 2016-04-06 | 浙江亿日气动科技有限公司 | 一种应用辅助凸轮驱动的气门执行装置 |
CN102852585B (zh) * | 2012-09-28 | 2015-07-01 | 长城汽车股份有限公司 | 一种连续可变气门升程控制机构 |
JP6015490B2 (ja) * | 2013-02-26 | 2016-10-26 | マツダ株式会社 | エンジンの動弁装置 |
-
2013
- 2013-02-26 JP JP2013035745A patent/JP5907089B2/ja active Active
-
2014
- 2014-02-19 US US14/184,346 patent/US9309786B2/en not_active Expired - Fee Related
- 2014-02-19 DE DE102014002267.6A patent/DE102014002267A1/de not_active Withdrawn
- 2014-02-21 CN CN201410060393.5A patent/CN104005809B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102014002267A1 (de) | 2014-08-28 |
JP2014163313A (ja) | 2014-09-08 |
US20140238326A1 (en) | 2014-08-28 |
CN104005809B (zh) | 2016-06-29 |
US9309786B2 (en) | 2016-04-12 |
CN104005809A (zh) | 2014-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6015490B2 (ja) | エンジンの動弁装置 | |
KR101378623B1 (ko) | 내연 기관 및 내연 기관용 밸브 구동 장치 | |
JP6197521B2 (ja) | エンジンの動弁装置 | |
JP5850202B2 (ja) | 多気筒エンジンの動弁装置 | |
JP6070585B2 (ja) | エンジンの動弁装置 | |
JP6102651B2 (ja) | エンジンの動弁装置 | |
JP5907089B2 (ja) | エンジンの動弁装置 | |
US20080236526A1 (en) | Valve actuating mechanism for an internal combustion engine, and cylinder head incorporating same | |
JP6098573B2 (ja) | エンジンの動弁装置 | |
KR101448784B1 (ko) | 다단 가변 밸브 리프트 장치 | |
JP6102338B2 (ja) | エンジンの動弁装置 | |
JP5907117B2 (ja) | エンジンの動弁装置 | |
JP5907090B2 (ja) | エンジンの動弁装置 | |
KR101461899B1 (ko) | 다단 가변 밸브 리프트 장치 | |
JP5907116B2 (ja) | エンジンの動弁装置 | |
JP6314931B2 (ja) | エンジンの動弁装置 | |
KR20160057768A (ko) | 다단 가변 밸브 리프트 장치 | |
JP2017078370A (ja) | 可変動弁機構 | |
EP3119998A1 (en) | Valve train assembly | |
JP2016070163A (ja) | エンジンのシリンダヘッド |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150312 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160223 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160225 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160307 |
|
R150 | Certificate of patent (=grant) or registration of utility model |
Ref document number: 5907089 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |