EP1387050A1 - Zylinderkopf für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb - Google Patents
Zylinderkopf für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb Download PDFInfo
- Publication number
- EP1387050A1 EP1387050A1 EP03015070A EP03015070A EP1387050A1 EP 1387050 A1 EP1387050 A1 EP 1387050A1 EP 03015070 A EP03015070 A EP 03015070A EP 03015070 A EP03015070 A EP 03015070A EP 1387050 A1 EP1387050 A1 EP 1387050A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- link
- combustion engine
- internal combustion
- backdrop
- 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.)
- Granted
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
- 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
-
- 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
- F01L13/0005—Deactivating valves
-
- 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
- F01L2013/0068—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 "BMW-Valvetronic" 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
- F01L2303/00—Manufacturing of components used in valve arrangements
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
Definitions
- the invention relates to a cylinder head for an internal combustion engine with a variable stroke valve train according to the features in the preamble of the claim 1.
- valve drive device for variable stroke adjustment a gas exchange valve of an internal combustion engine described.
- Valve train device is the gas exchange valve with the interposition of a Transmission element with a movable about a rotation axis roller in operative connection with a control path comprising a no-lift curve and a lift curve, in an end region of a stroke for the gas exchange valve of a cam of a camshaft controlled pivot lever is arranged.
- Object of the present invention is therefore, the backdrop as stiff as possible in the to integrate variable stroke valve train.
- An embodiment according to claim 2 includes two technological variants the assembly of the scenery on the cylinder head. So the variant offers a detachable Compound, e.g. a screw, especially manufacturing advantages in terms of cost and simplicity in making the overall system. In contrast, offers the variant of pouring the scenery in the cylinder head an even higher manufacturing precision, since the finishing after the Pouring done.
- a detachable Compound e.g. a screw
- the embodiment according to claim 5 also reduces the production costs or the installation effort and thus the installation costs.
- the manufacturing possibilities of the backdrop according to claim 6 ensure the Operation of the variable stroke valve train good wear characteristics, since the scenery made of a harder material than the cylinder head. In addition, it is the production as a sintered component cost and in relation to the selected Material designed for optimum wear resistance.
- Fig. 1 shows a variable-stroke valve drive 2, which is shown in a rudimentary manner Cylinder head 1 is arranged.
- the variable stroke valve train 2 consists essentially from a pivot lever 3, with a roller element 4 and a swing fulcrum 4 ', and a gate 5 with a slide track 5', an intermediate element 7, a gas exchange valve 8, a cam 9, which is arranged on a camshaft 9 ' is and a spring 10 and an adjusting device 11.
- the backdrop 5 is stationary poured into the cylinder head 1.
- the pivot lever 3 is supported on the one hand via the roller element 4 on the slide track 5 'of the link 5 from and the other with a control track 6, which consists of a Leerhubkurve 6 'and a lift curve 6 " on the intermediate element 7 from.
- the intermediate element 7 is a roller cam follower, whose role is rotatable about a rotation axis 12.
- the rotation axis 12 is also the center of the slide track 5 'in a Nullhub ein.
- the Intermediate element is supported on the one hand by the axis of rotation 12 on a clearance compensation element 14, here a hydraulic valve clearance compensation element, and on the other hand on the gas exchange valve 8 from. Between the control track 6 and the first roller element 4 is on the pivot lever 3 another roller element thirteenth arranged.
- Fig. 2 shows a three-dimensional view of the cast in a cylinder head 1 Gate 5 with the adjusting device 11, on which the first roller element 4 on the one hand and on the slide track 5 'on the other hand supported. Shown is a staggered in Nockenwellenachscardi double arrangement, of which only is addressed in more detail to the reader facing arrangement. Furthermore, in approximately centrally in the pivot lever 3, the second roller element 13 can be seen, which is supported on the cam 9 of the camshaft shown 9 'shown.
- the backdrop 5 poured directly into the cylinder head 1. It is thus an integral part of the cylinder head 1.
- a detachable connection such as a screw, conceivable.
- the gate 5 is made of a sintered material, but it can also be produced by forging or casting.
- the cylinder head 1 is preferably made of a light metal alloy.
- This backdrop block is used either for a cylinder of Not shown internal combustion engine or for all cylinders simultaneously as Backing 5.
- the set blocks can also be forged, cast or sintered be.
- the attachment in the cylinder head 1 is analogous to the attachment of a single Gate 5 in the cylinder head 1.
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
Die erfindungsgemäße Ausgestaltung führt zu einer hohen Steifigkeit der gesamten Ventiltriebsanordnung. Darüber hinaus bietet die Anordnung der Kulisse direkt am Zylinderkopf günstige Montagebedingungen sowie eine hohe mechanische Bearbeitungsgenauigkeit für den gesamten Ventiltrieb bei der Fertigung.
- Fig. 1
- zeigt den schematischen Aufbau eines hubvariablen Ventiltriebes,
- Fig. 2
- zeigt eine dreidimensionale Aufsicht auf eine in einem Zylinderkopf eingegossene Kulisse.
- 1
- Zylinderkopf
- 2
- Hubvariabler Ventiltrieb
- 3
- Schwenkhebel
- 4
- Erstes Rollenelement
- 4'
- Schwingdrehpunkt
- 5
- Kulisse
- 5'
- Kulissenbahn
- 6
- Steuerbahn
- 6'
- Leerhubkurve
- 6"
- Hubkurve
- 7
- Zwischenelement
- 8
- Gaswechselventil
- 9
- Nocken
- 9'
- Nockenwelle
- 10
- Feder
- 11
- Verstelleinrichtung
- 12
- Drehachse
- 13
- Zweites Rollenelement
- 14
- Spielausgleichselement
Claims (8)
- Zylinderkopf (1) für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb (2), mit einem Schwenkhebel (3), der einerseits mit einem Rollenelement (4) mit einem Schwingdrehpunkt (4') auf einer Kulissenbahn (5') einer Kulisse (5) und andererseits mit einer Steuerbahn (6) auf einem Zwischenelement (7) zu einem Gaswechselventil (8) spielfrei abgestützt ist, wobei der Schwenkhebel (3) zur Hubeinstellung zwischen den Abstützpunkten einerseits von einem Nocken (9) einer Nockenwelle (9') entgegen einer Kraft einer Feder (10) gesteuert schwenkbar und andererseits der Schwingdrehpunkt (4') von einer Verstelleinrichtung (11) zur Hubhöhenverstellung parallel zur Kulissenbahn (5') gesteuert verschiebbar ist,
dadurch gekennzeichnet, dass die Kulisse (5) am Zylinderkopf (1) angeordnet ist. - Kulisse nach Patentanspruch 1,
dadurch gekennzeichnet, dass die Kulisse (5) lösbar mit dem Zylinderkopf (1) verbunden oder teilweise in den Zylinderkopf (1) eingegossen ist. - Kulisse nach Patentanspruch 1 oder 2,
dadurch gekennzeichnet, dass zumindest zwei Kulissen (5) zu einem Kulissenblock zusammenfassbar sind. - Kulisse nach einem der zuvor genannten Patentansprüche, wobei die Brennkraftmaschine mehr als einen Zylinder aufweist,
dadurch gekennzeichnet, dass jedem Zylinder ein Kulissenblock zuordenbar ist. - Kulisse nach einem der zuvor genannten Patentansprüche,
dadurch gekennzeichnet, dass allen Zylindern der Brennkraftmaschine ein gemeinsamer Kulissenblock zuordenbar ist. - Kulisse nach einem der zuvor genannten Patentansprüche,
dadurch gekennzeichnet, dass die Kulisse (5) oder der Kulissenblock geschmiedet oder gesintert oder gegossen ist. - Kulisse nach einem der zuvor genannten Patentansprüche,
dadurch gekennzeichnet, dass in die Kulisse (5) oder in den Kulissenblock eine Schmiervorrichtung integriert ist. - Kulisse nach einem der zuvor genannten Patentansprüche,
dadurch gekennzeichnet, dass der Schwenkhebel (3) von der Kulisse (5) in axialer Richtung führbar ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10235400A DE10235400A1 (de) | 2002-08-02 | 2002-08-02 | Zylinderkopf für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb |
| DE10235400 | 2002-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1387050A1 true EP1387050A1 (de) | 2004-02-04 |
| EP1387050B1 EP1387050B1 (de) | 2005-03-16 |
Family
ID=30010566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03015070A Expired - Lifetime EP1387050B1 (de) | 2002-08-02 | 2003-07-03 | Zylinderkopf für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1387050B1 (de) |
| DE (2) | DE10235400A1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092312A1 (de) * | 2005-03-03 | 2006-09-08 | Hydraulik-Ring Gmbh | Variable mechanische ventilsteuerung einer brennkraftmaschine |
| EP1862649A1 (de) * | 2006-04-21 | 2007-12-05 | Schaeffler KG | Schwinghebel für einen hubvariablen Ventiltrieb |
| CN103925029A (zh) * | 2013-01-15 | 2014-07-16 | 长城汽车股份有限公司 | 可变气门升程驱动装置 |
| WO2014206591A1 (de) * | 2013-06-25 | 2014-12-31 | Pierburg Gmbh | Federanordnung für einen variablen ventiltrieb einer verbrennungskraftmaschine |
| WO2015110189A1 (de) * | 2014-01-23 | 2015-07-30 | Pierburg Gmbh | Übertragungsanordnung für einen mechanisch steuerbaren ventiltrieb sowie mechanisch steuerbarer ventiltrieb |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004008389A1 (de) * | 2004-02-20 | 2005-09-08 | Bayerische Motoren Werke Ag | Hubvariabler Ventiltrieb für eine Brennkraftmaschine |
| DE102004021646A1 (de) * | 2004-05-03 | 2005-12-01 | Bayerische Motoren Werke Ag | Verstellwelle eines hubvariablen Ventiltriebs |
| KR100993368B1 (ko) * | 2008-01-22 | 2010-11-09 | 현대자동차주식회사 | 연속 가변 밸브 리프트 장치 |
| DE102011082227A1 (de) | 2011-09-07 | 2013-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Kulisse für einen hubvariablen Ventiltrieb in einem Zylinderkopf einer Brennkraftmaschine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326331A1 (de) * | 1992-07-15 | 1995-02-09 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
| DE19509604A1 (de) * | 1995-03-16 | 1996-09-19 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
| EP0780547A1 (de) * | 1995-12-22 | 1997-06-25 | Siemens Aktiengesellschaft | Verstellvorrichtung für den Hubverlauf eines Gaswechselventils einer Brennkraftmaschine |
| DE19904840A1 (de) * | 1999-02-08 | 2000-08-10 | Iav Gmbh | Ventiltrieb für Verbrennungsmotoren |
| EP1143118A2 (de) * | 2000-04-07 | 2001-10-10 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Hubverstellung eines Gaswechselventils im Zylinderkopf einer Brennkraftmaschine |
| DE10100173A1 (de) * | 2001-01-04 | 2002-07-11 | Fev Motorentech Gmbh | Vollvariabler mechanischer Ventiltrieb für eine Kolbenbrennkraftmaschine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993008377A1 (de) * | 1991-10-25 | 1993-04-29 | Peter Kuhn | Vorrichtung zur betätigung der ventile in verbrennungsmotoren mittels umlaufender nocken |
| US5463987A (en) * | 1994-07-13 | 1995-11-07 | Cukovich; Mark S. | Variable valve timing mechanism |
| DE10123186A1 (de) * | 2001-05-12 | 2002-11-14 | Bayerische Motoren Werke Ag | Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils einer Brennkraftmaschine |
-
2002
- 2002-08-02 DE DE10235400A patent/DE10235400A1/de not_active Withdrawn
-
2003
- 2003-07-03 DE DE50300363T patent/DE50300363D1/de not_active Expired - Lifetime
- 2003-07-03 EP EP03015070A patent/EP1387050B1/de not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4326331A1 (de) * | 1992-07-15 | 1995-02-09 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
| DE19509604A1 (de) * | 1995-03-16 | 1996-09-19 | Bayerische Motoren Werke Ag | Ventiltrieb einer Brennkraftmaschine |
| EP0780547A1 (de) * | 1995-12-22 | 1997-06-25 | Siemens Aktiengesellschaft | Verstellvorrichtung für den Hubverlauf eines Gaswechselventils einer Brennkraftmaschine |
| DE19904840A1 (de) * | 1999-02-08 | 2000-08-10 | Iav Gmbh | Ventiltrieb für Verbrennungsmotoren |
| EP1143118A2 (de) * | 2000-04-07 | 2001-10-10 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Hubverstellung eines Gaswechselventils im Zylinderkopf einer Brennkraftmaschine |
| DE10100173A1 (de) * | 2001-01-04 | 2002-07-11 | Fev Motorentech Gmbh | Vollvariabler mechanischer Ventiltrieb für eine Kolbenbrennkraftmaschine |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092312A1 (de) * | 2005-03-03 | 2006-09-08 | Hydraulik-Ring Gmbh | Variable mechanische ventilsteuerung einer brennkraftmaschine |
| US7603973B2 (en) | 2005-03-03 | 2009-10-20 | Hydraulik-Ring Gmbh | Variable mechanical valve control for an internal combustion engine |
| US7624711B2 (en) | 2005-03-03 | 2009-12-01 | Hydraulik-Ring Gmbh | Variable mechanical valve control for an internal combustion engine |
| EP1862649A1 (de) * | 2006-04-21 | 2007-12-05 | Schaeffler KG | Schwinghebel für einen hubvariablen Ventiltrieb |
| CN103925029A (zh) * | 2013-01-15 | 2014-07-16 | 长城汽车股份有限公司 | 可变气门升程驱动装置 |
| CN103925029B (zh) * | 2013-01-15 | 2016-04-06 | 长城汽车股份有限公司 | 可变气门升程驱动装置 |
| WO2014206591A1 (de) * | 2013-06-25 | 2014-12-31 | Pierburg Gmbh | Federanordnung für einen variablen ventiltrieb einer verbrennungskraftmaschine |
| US9784142B2 (en) | 2013-06-25 | 2017-10-10 | Pierburg Gmbh | Spring arrangement for a variable valve drive of an internal combustion engine |
| WO2015110189A1 (de) * | 2014-01-23 | 2015-07-30 | Pierburg Gmbh | Übertragungsanordnung für einen mechanisch steuerbaren ventiltrieb sowie mechanisch steuerbarer ventiltrieb |
| CN105658918A (zh) * | 2014-01-23 | 2016-06-08 | 皮尔伯格有限责任公司 | 用于机械可控式气门机构的传动总成以及机械可控式气门机构 |
| CN105658918B (zh) * | 2014-01-23 | 2019-10-01 | 皮尔伯格有限责任公司 | 用于机械可控式气门机构的传动总成以及机械可控式气门机构 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10235400A1 (de) | 2004-02-19 |
| DE50300363D1 (de) | 2005-04-21 |
| EP1387050B1 (de) | 2005-03-16 |
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