JP4843484B2 - 切換可能なカムを備える、殊に自動車用内燃機関のためのカムシャフト - Google Patents
切換可能なカムを備える、殊に自動車用内燃機関のためのカムシャフト Download PDFInfo
- Publication number
- JP4843484B2 JP4843484B2 JP2006508113A JP2006508113A JP4843484B2 JP 4843484 B2 JP4843484 B2 JP 4843484B2 JP 2006508113 A JP2006508113 A JP 2006508113A JP 2006508113 A JP2006508113 A JP 2006508113A JP 4843484 B2 JP4843484 B2 JP 4843484B2
- Authority
- JP
- Japan
- Prior art keywords
- cam
- camshaft
- cam segment
- segment
- segments
- 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.)
- Expired - Fee Related
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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
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- 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
- F01L13/0057—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 splittable or deformable cams
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49293—Camshaft making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Description
部分図Aは、IHC法(Innenhochdruck-Umformverfahren 内部高圧式変形加工法)によって形成された内側の管部材及び組み付けられた第1のカムセグメント2から成るカムシャフトの斜視図であり、
部分図Bは、部分図Aのカムシャフトの側面図であり、
部分図Cは、部分図Aのカムシャフトの断面図であり、
部分図Dは、中実部材若しくは棒材から例えば鋳造、鍛造若しくは仕上げ加工によって加工成形されたカムシャフト基体及び組み付けられた第1のカム2から成るカムシャフトの断面図であり、
部分図Eは、例えば鋳造成形された管部材から成るカムシャフト若しくは中実部材若しくは棒材から例えば鍛造加工若しくは切削加工されたカムシャフトの断面図である。
Claims (3)
- 自動車用内燃機関のためのカムシャフトであって、
少なくとも1つのカムは、カムシャフト軸線に対して半径方向で互いに相対的に調節可能な複数のカムセグメント、即ち、第1及び第2のカムセグメント(2,3)を備えており、
両方のカムセグメント(2,3)は、切換可能な有効なカムプロフィール区分を有しており、
第1のカムセグメント(2)は、カムシャフトの回転可能なカムシャフト基体(1)に対して不動な構成部分として形成されており、
第2のカムセグメント(3)は、第1のカムセグメント(2)に対して調節可能に形成されており、
第2のカムセグメント(3)は、馬蹄形を成しかつカムシャフト基体(1)を挟むように取り囲んでいて、カムシャフト軸線に対して半径方向に移動可能に支承されており、
第2のカムセグメント(3)は、カムシャフト軸線から半径方向に離間された互いに異なる少なくとも2つの位置で、即ち第1の走入位置及び第2の走出位置で、切換可能な固定手段(6,5)によって一時的に錠止されるようになっている形式のものにおいて、
第2のカムセグメント(3)は走出位置でU字形脚部の端部を、U字形脚部間の、第2のカムセグメント(3)の走出側と反対側の、カムシャフト基体材料の輪郭の延長の内側に位置させており、U字形脚部の端部はそれぞれ自由端部であることを特徴とするカムシャフト。 - カムセグメント(2,3)間に、該カムセグメント間での案内のためのキー溝案内部(14,15)を設けてある請求項1に記載のカムシャフト。
- 第2のカムセグメント(3)の半径方向の移動距離は、カムシャフト基体材料と第1のカムセグメント(2)の少なくとも1つのストッパーによって規定されている請求項1又は2に記載のカムシャフト。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10325042 | 2003-06-02 | ||
DE10325042.5 | 2003-06-02 | ||
PCT/DE2004/001098 WO2004109068A1 (de) | 2003-06-02 | 2004-05-26 | Nockenwelle, insbesondere eines kraftfahrzeug-verbrennungsmotors, mit schaltbaren nocken |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006526727A JP2006526727A (ja) | 2006-11-24 |
JP2006526727A5 JP2006526727A5 (ja) | 2007-04-19 |
JP4843484B2 true JP4843484B2 (ja) | 2011-12-21 |
Family
ID=33494804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006508113A Expired - Fee Related JP4843484B2 (ja) | 2003-06-02 | 2004-05-26 | 切換可能なカムを備える、殊に自動車用内燃機関のためのカムシャフト |
Country Status (6)
Country | Link |
---|---|
US (1) | US7069889B2 (ja) |
EP (1) | EP1518042B1 (ja) |
JP (1) | JP4843484B2 (ja) |
CN (1) | CN100476165C (ja) |
DE (2) | DE112004000030D2 (ja) |
WO (1) | WO2004109068A1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006004750A1 (de) | 2005-04-11 | 2006-10-12 | Schaeffler Kg | Schaltbares Ventiltriebbauteil |
GB2434404B (en) * | 2006-01-18 | 2010-11-03 | Powertrain Technology Ltd | Improvements to variable valve actuation using slideable, latching cam lobes |
DE102006012358A1 (de) * | 2006-03-17 | 2007-09-27 | Mahle International Gmbh | Verfahren zur Erzeugung einer Pressverbindung |
GB0613727D0 (en) * | 2006-07-11 | 2006-08-23 | Powertrain Technology Ltd | Improvements to 2-step variable timing mechanisms |
KR101305829B1 (ko) | 2007-11-20 | 2013-09-06 | 현대자동차주식회사 | 가변 캠 장치 |
DE102008060167B4 (de) * | 2008-11-27 | 2021-05-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ventiltrieb einer Brennkraftmaschine |
KR101209733B1 (ko) * | 2010-09-01 | 2012-12-07 | 현대자동차주식회사 | 가변 밸브 리프트 장치 |
US9745875B2 (en) * | 2012-08-22 | 2017-08-29 | Toyota Jidosha Kabushiki Kaisha | Variable valve gear for internal combustion engine |
JP2014092128A (ja) * | 2012-11-06 | 2014-05-19 | Toyota Motor Corp | 内燃機関の可変動弁装置 |
JP5920177B2 (ja) * | 2012-11-14 | 2016-05-18 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
JP2014152694A (ja) * | 2013-02-07 | 2014-08-25 | Toyota Motor Corp | 内燃機関の可変動弁装置 |
JP5924305B2 (ja) * | 2013-05-13 | 2016-05-25 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
JP5962603B2 (ja) * | 2013-07-04 | 2016-08-03 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
JP5991289B2 (ja) * | 2013-09-05 | 2016-09-14 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置及び内燃機関の可変動弁システム |
JP6107976B2 (ja) | 2014-01-22 | 2017-04-05 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
US9581294B2 (en) | 2014-02-07 | 2017-02-28 | Curtis Roys | Replaceable sleeves used in distribution blocks |
DE102014111354A1 (de) * | 2014-08-08 | 2016-02-25 | Karl Storz Gmbh & Co. Kg | Sterilhülle für ein medizinisches Beobachtungsinstrument sowie Verfahren zum Betreiben eines medizinischen Beobachtungsinstruments |
DE102015101337A1 (de) * | 2015-01-29 | 2016-08-04 | Thyssenkrupp Presta Teccenter Ag | Nockenwelle zur Ventilbetätigung mit variablem Ventilhub |
CN105863738A (zh) * | 2015-04-30 | 2016-08-17 | 熵零股份有限公司 | 径向补偿机构及其装置 |
CN105909313A (zh) * | 2015-04-30 | 2016-08-31 | 熵零股份有限公司 | 滑动径向补偿机构及其装置 |
CN108026792B (zh) * | 2015-09-30 | 2020-03-27 | 本田技研工业株式会社 | 凸轮轴 |
CN112282882A (zh) * | 2020-11-30 | 2021-01-29 | 一汽解放汽车有限公司 | 一种用于控制发动机气缸气门的凸轮轴组件及车辆 |
FR3117540B1 (fr) * | 2020-12-14 | 2022-12-16 | Renault | Arbre à cames d’un moteur à combustion interne. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH074217A (ja) * | 1993-04-14 | 1995-01-10 | Toyota Autom Loom Works Ltd | 可変バルブリフト機構付きカムシャフト |
US5404770A (en) * | 1991-08-14 | 1995-04-11 | Volkswagen Ag | Variable cam arrangement for a lift valve |
JPH09256827A (ja) * | 1995-11-07 | 1997-09-30 | Yamaha Motor Co Ltd | エンジンの動弁装置 |
WO2004001199A2 (en) * | 2002-06-21 | 2003-12-31 | Powertrain Technology Ltd | Improvements to latchable cam-lobe systems for poppet valve motion control |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01178710A (ja) | 1988-01-06 | 1989-07-14 | Mazda Motor Corp | エンジンのバルブ駆動装置 |
DE4222477A1 (de) | 1991-08-14 | 1993-02-18 | Volkswagen Ag | Nockenbestueckte ventilbetaetigung fuer ein hubventil |
IT1256558B (it) | 1992-12-18 | 1995-12-07 | Francesco Giulio Di | Dispositivo a camme, per variare la fasatura di valvole di motori, utilizzante fluido incomprimibile come elemento strutturale per realizzare la deformazione e/o lo spostamento del profilo delle camme |
DE69421170T2 (de) | 1993-12-17 | 2000-07-06 | Christos Valasopoulos | Nockenspitze mit exzentrischer drehbewegung |
DE19802484C2 (de) * | 1998-01-23 | 2000-06-08 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur Herstellung von gebauten Nockenwellen |
DE10030904A1 (de) | 2000-06-23 | 2002-01-31 | Audi Ag | Nockenwelle |
-
2004
- 2004-05-26 CN CNB2004800069957A patent/CN100476165C/zh not_active Expired - Fee Related
- 2004-05-26 DE DE112004000030T patent/DE112004000030D2/de not_active Expired - Fee Related
- 2004-05-26 WO PCT/DE2004/001098 patent/WO2004109068A1/de active Application Filing
- 2004-05-26 DE DE502004008517T patent/DE502004008517D1/de not_active Expired - Lifetime
- 2004-05-26 EP EP04738567A patent/EP1518042B1/de not_active Expired - Fee Related
- 2004-05-26 JP JP2006508113A patent/JP4843484B2/ja not_active Expired - Fee Related
- 2004-05-26 US US10/536,277 patent/US7069889B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5404770A (en) * | 1991-08-14 | 1995-04-11 | Volkswagen Ag | Variable cam arrangement for a lift valve |
JPH074217A (ja) * | 1993-04-14 | 1995-01-10 | Toyota Autom Loom Works Ltd | 可変バルブリフト機構付きカムシャフト |
JPH09256827A (ja) * | 1995-11-07 | 1997-09-30 | Yamaha Motor Co Ltd | エンジンの動弁装置 |
WO2004001199A2 (en) * | 2002-06-21 | 2003-12-31 | Powertrain Technology Ltd | Improvements to latchable cam-lobe systems for poppet valve motion control |
Also Published As
Publication number | Publication date |
---|---|
EP1518042B1 (de) | 2008-11-26 |
EP1518042A1 (de) | 2005-03-30 |
US20060011161A1 (en) | 2006-01-19 |
JP2006526727A (ja) | 2006-11-24 |
WO2004109068A1 (de) | 2004-12-16 |
CN100476165C (zh) | 2009-04-08 |
DE112004000030D2 (de) | 2005-05-12 |
CN1774563A (zh) | 2006-05-17 |
DE502004008517D1 (de) | 2009-01-08 |
US7069889B2 (en) | 2006-07-04 |
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