EP1276973B1 - Steuereinrichtung für ein ein- oder auslassventil eines verbrennungsmotors - Google Patents
Steuereinrichtung für ein ein- oder auslassventil eines verbrennungsmotors Download PDFInfo
- Publication number
- EP1276973B1 EP1276973B1 EP01933619A EP01933619A EP1276973B1 EP 1276973 B1 EP1276973 B1 EP 1276973B1 EP 01933619 A EP01933619 A EP 01933619A EP 01933619 A EP01933619 A EP 01933619A EP 1276973 B1 EP1276973 B1 EP 1276973B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- areas
- keb
- valve
- control device
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 4
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002596 correlated effect Effects 0.000 claims 2
- 241001433879 Camarea Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
-
- 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
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the 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
Definitions
- the invention relates to a control device for a single or Exhaust valve of an internal combustion engine according to the preamble of claim 1.
- valve controls can be switched for different, for example Load conditions or a braking operation of the engine.
- Such devices are in a wide variety of configurations known from, for example, DE 27 53 197 A1, DE 36 13 945 A1, DE 38 00 347 A1, DE 41 36 143 A1, EP 0 775 251 B1, US 5,544,626 and JP 6-88 512 A.
- the invention is concerned with a generic device with the problem of easy and safe switching of the KEB areas in a respectively force-transmitting state between control and valve.
- the KEB areas are always in contact with the assigned control curve areas of the control element, wherein only the non-force-transmitting KEB area in this way is unfixed in the base body of the control element, that it follows the control curve without having a force-transmitting effect can.
- the required locking of the KEB area which is currently switched to power transmission not hydraulically, but mechanically through the intervention of one Bolt into the movably mounted part of the KEB area. Only the bolt and its fixing force are moved hydraulically however mechanically and not hydraulically due to its locking is conditional.
- the main difference is in particular in that there is always a cam area in that facility only disengaged the control shaft can be, if there are control curves that are not in the Envelope of the aforementioned control curve fall. This is opposite a serious disadvantage of the teaching according to the invention, whereby that known device the problem of the invention does not solve.
- Hydraulic units are used as switching means.
- the Use of hydraulic units has the advantage that in this the power transmission areas of the control element compared to the Control element on the one hand and / or the valve on the other hand integrated can be. This means that these hydraulic units can be used in a simple way that with engine valve controls themselves known l game compensation measures are integrated.
- control elements can advantageously drag or Rocker arms are used. Use is also possible an actuating element that can only be moved in translation.
- the power transmission is preferably carried out at the end of a Valve stem or when actuating several Valves on an intermediate element such as a valve bridge.
- a camshaft 1 as a control element acts as a Actuating rocker arm 2, which in turn the Movement of the valve, not shown, of an internal combustion engine controls.
- the engine valve, not shown, is spring-loaded, such that the valve stem end through the Valve spring force is pressed onto the rocker arm 2.
- the Area of rocker arm 2 with which the rocker arm is on the valve stem end acts as Power transfer area (KÜB) designated and is in the drawing marked with the reference number 3.
- the camshaft 1 has one another in the axial direction deviating, contiguous control contours 4, 5.
- This Control contours 4, 5 are 2 contact areas on the rocker arm assigned, the following as force application areas (KEB) are marked and marked in the drawing with Primary KEB area 6 and secondary KEB area 7.
- the primary KEB area 6 consists of one in a fixed position within of the rocker arm 2 rotatably mounted primary roller 8th.
- the secondary KEB area 7 forms one within a plunger 9 of a hydraulic unit 10 rotatably mounted secondary roller 11.
- the KÜB area 3 is in a piston 12 one further hydraulic unit 13 integrated.
- the hydraulic units 10 and 13 are via a hydraulic switching device hydraulically via a connecting channel 14 (FIGS. 2, 3) connected with each other.
- connecting channel 14 are hydraulic not shown in the drawing Control valves for activating the hydraulic units, why the connecting channel 14 also with a hydraulic Pressure source and a control line, not shown connected is.
- the pivot lever 2 can be pivoted about an articulation axis 15.
- the plunger 9 with the secondary roller 11 in the Hydraulic unit 10 retracted and the piston 12 of the hydraulic unit 13 is predetermined in terms of furnishings Dimension fully extended and hydraulically locked. Due to the spring pressure under which the valve stem of the Engine valve is stopped, the rocker arm 2 engages over the primary roller 8 on the control contour 4 of the camshaft 1. By hydraulic locking of the piston 12 in the hydraulic unit 13, the engine valve via the rocker arm 2 in a first switching position after the control contour 4 of the Camshaft 1 controlled.
- Control elements of engine valves by a camshaft are usually driven by a so-called. hydraulic valve clearance compensation.
- Such a hydraulic Valve clearance compensation measure can be taken with the present Control element design through integration into the hydraulic units 10 and 13 are done in a simple manner. All that is required is the use of generally known ones Expertise, so that here no further technical Explanations are necessary. With the hydraulic units described In principle, 10 or 13 is enough Removal of the specified path limitation.
- This version is functional compared to the device 1 to 3 the same parts with the same reference numerals busy.
- This version is also functional compared to the Devices in Fig. 1 to 4 the same parts with the same reference numerals busy.
- a setting plunger 2 '' in this embodiment arranged as an actuator between the camshaft and valve.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Description
- Fig. 1
- eine perspektivische Ansicht eines Schlepphebels als Stellelement,
- Fig. 2
- einen Schnitt durch den Schlepphebel nach Linie II-II in Fig. 1 mit einer zusätzlichen Darstellung einer diesen Schlepphebel steuernden Nockenwelle in einem ersten Schaltzustand der Krafteinleitungsund Übergabebereiche dieses Schlepphebels,
- Fig. 3
- den Schlepphebel in der Darstellung nach Fig. 2 in einer anderen Schaltstellung der Krafteinleitungsund Übergabebereiche,
- Fig. 4
- einen Schnitt durch einen Kipphebel als Stellele-. ment in einer Anordnung zwischen zwei Nockenwellen,
- Fig. 5
- einen Schnitt durch einen Stell-Stößel als Stellelement in einer Anordnung zwischen einer Nockenwelle und einem nicht dargestellten Ventil in einer ersten Schaltstellung,
- Fig. 6
- den Stell-Stößel in der Darstellung nach Fig. 5 in einer zweiten Schaltstellung der Krafteinleitungsund Übergabebereiche.
Claims (4)
- Steuereinrichtung für mindestens ein federbelastetes Einoder Auslaßventil eines Verbrennungsmotors mit einem Stell- und wenigstens einem Steuerelement (2, 2', 2", bzw. 1, 1'), bei dera) das Stellelement (2, 2', 2 ") einen Grundkörper besitzt und beweglich zwischen dem wenigstens einen Steuerelement (1, 1') und dem Ventil angeordnet ist,b) das wenigstens eine Steuerelement (1, 1') während des Betriebes der Steuereinrichtung rotiert,c) durch das wenigstens eine rotierende Steuerelement (1, 1') mindestens zwei rotierende Steuerelemente-Umfangsbereiche mit in Umfangsrichtung unterschiedlichen Konturen als Steuerkonturen (4, 5) vorliegen,d) an dem Grundkörper des Stellelementes (2, 2', 2'') wenigstens zwei unterschiedlich gegeneinander positionierbare Krafteinleitungsbereiche KEB (6, 7) und ein Kraftübergabebereich KÜB (3) vorgesehen sind,e) der Kraftübergabebereich KÜB (3) auf das mindestens eine Motorventil einwirkt,f) innerhalb des Grundkörpers Schaltmittel zur wechselweise kraftübertragenden Zuordnung der KEB-Bereiche (6, 7) an die unterschiedlichen Steuerkurvenbereiche (4, 5) des Steuerelementes (1, 1') vorgesehen sind,g) das Steuerelement (1, 1') besitzt ausschließlich Steuerkurven-Bereiche, die den innerhalb des Grundkörpers des Stellelementes (2, 2', 2'') liegenden KEB-Bereichen (6, 7) kraftübertragend zugeordnet werden können,h) zur wechselseitigen, kraftübertragenden Zuordnung der KEB-Bereiche (6, 7) an die unterschiedlichen Steuerkurvenbereiche des Steuerelementes (1, 1') sind durch die Schaltmittel (10, 13) mit Bezug auf den Abstand zwischen dem Steuerelement (1, 1') und dem Ventil lediglich durch die Steuerkurven des Steuerelementes (1, 1') begrenzte, gegeneinander unterschiedliche Lagen sämtlicher KEB- (6, 7) und KÜB- (3)Bereiche einstellbar,
gekennzeichnet durch die Merkmale,i) in dem Grundkörper des Stellelementes (2, 2', 2 ") ist einer der beiden KEB-Bereiche (6, 7) sowie der KÜB-Bereich (3) verstellbar gelagert,j) die Schaltmittel (10, 13) bewirken durch eine Veränderung der gegenseitigen Zuordnung zwischen dem einen KÜB-Bereich (3) und den wenigstens zwei KEB-Bereichen (6, 7) ein ausschließlich hydraulisches Verstellen und Fixieren der verstellbaren KEB- (6, 7) und KÜB-Bereiche (3) innerhalb des Grundkörpers des Stellelementes (2, 2', 2 "),k) der jeweils nicht kraftübertragende KEB-Bereich (6 bzw. 7) ist durch die Schaltmittel (10, 13) in eine die zugeordnete Steuerkurve des Steuerelementes (1, 1') nicht kontaktierende Stellung schaltbar. - Steuereinrichtung nach Anspruch 1
dadurch gekennzeichnet, daß in die Schaltmittel (10, 13) aus der Motor-Ventiltechnik an sich bekannte hydraulische Ventilspielausgleichsmaßnahmen integriert sind. - Steuereinrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß wenigstens zwei als Nockenwellen (1, 1') ausgebildete Steuerelemente vorgesehen sind. - Steuereinrichtung nach Anspruch 3,
dadurch gekennzeichnet, daß die wenigstens zwei Nockenwellen (1, 1') bei Betrieb der Steuereinrichtung mit unterschiedlicher Geschwindigkeit drehen.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10020884 | 2000-04-28 | ||
| DE10020884A DE10020884A1 (de) | 2000-04-28 | 2000-04-28 | Steuereinrichtung für ein Ein- oder Auslaßventil eines Verbrennungsmotors |
| PCT/DE2001/001532 WO2001083952A1 (de) | 2000-04-28 | 2001-04-20 | Steuereinrichtung für ein ein- oder auslassventil eines verbrennungsmotors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1276973A1 EP1276973A1 (de) | 2003-01-22 |
| EP1276973B1 true EP1276973B1 (de) | 2003-11-19 |
Family
ID=7640235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01933619A Expired - Lifetime EP1276973B1 (de) | 2000-04-28 | 2001-04-20 | Steuereinrichtung für ein ein- oder auslassventil eines verbrennungsmotors |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6640761B2 (de) |
| EP (1) | EP1276973B1 (de) |
| DE (2) | DE10020884A1 (de) |
| WO (1) | WO2001083952A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102542071B1 (ko) * | 2018-07-16 | 2023-06-13 | 자콥스 비히클 시스템즈, 인코포레이티드. | 통합식 엔진 제동 및 로스트 모션 배기 밸브 개방을 위한 시스템 및 방법 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2753197A1 (de) | 1976-12-15 | 1978-06-22 | Eaton Corp | Ventilsteuervorrichtung |
| JPS55152308U (de) * | 1979-04-18 | 1980-11-04 | ||
| US4475489A (en) * | 1981-05-27 | 1984-10-09 | Honda Giken Kogyo Kabushiki Kaisha | Variable valve timing device for an internal combustion engine |
| DE3613945A1 (de) | 1985-04-26 | 1986-10-30 | Mazda Motor Corp., Hiroshima | Veraenderbarer ventilmechanismus fuer verbrennungsmaschinen |
| DE3800347A1 (de) | 1987-01-08 | 1988-09-29 | Honda Motor Co Ltd | Ventilbetaetigungsvorrichtung in einer brennkraftmaschine |
| JP2621049B2 (ja) * | 1988-09-30 | 1997-06-18 | スズキ株式会社 | 4サイクルエンジンの動弁装置 |
| SE466320B (sv) | 1989-02-15 | 1992-01-27 | Volvo Ab | Foerfarande och anordning foer motorbromsning med en fyrtakts foerbraenningsmotor |
| JP2700101B2 (ja) * | 1989-03-24 | 1998-01-19 | フジオーゼックス株式会社 | 内燃機関用弁のリフト調節装置 |
| JP2810442B2 (ja) * | 1989-09-25 | 1998-10-15 | 日産自動車株式会社 | エンジンの弁作動装置 |
| JPH03149306A (ja) | 1989-11-02 | 1991-06-25 | Nissan Motor Co Ltd | エンジンの弁作動装置 |
| JPH03179115A (ja) * | 1989-12-08 | 1991-08-05 | Hino Motors Ltd | 内燃機関の動弁装置 |
| JP2986955B2 (ja) * | 1991-04-26 | 1999-12-06 | 株式会社ユニシアジェックス | エンジンの弁作動装置 |
| JPH077719A (ja) | 1991-06-28 | 1995-01-10 | Nec Home Electron Ltd | テレビジョン信号自動判別装置 |
| DE4136143A1 (de) | 1991-11-02 | 1993-05-06 | Audi Ag, 8070 Ingolstadt, De | Ventilsteuereinrichtung fuer eine brennkraftmaschine |
| JPH0688512A (ja) | 1992-09-04 | 1994-03-29 | Nissan Motor Co Ltd | 内燃機関の吸・排気弁作動装置 |
| FR2709149A1 (fr) * | 1992-10-16 | 1995-02-24 | Picchi Jean Pierre | Dispositif de commande de levée et temps d'ouverture variable d'une soupape. |
| FR2709150B1 (fr) * | 1992-10-16 | 1996-08-30 | Picchi Jean Pierre | Dispositif de commande de levée et temps d'ouverture variable d'une soupape. |
| SE501193C2 (sv) | 1993-04-27 | 1994-12-05 | Volvo Ab | Avgasventilmekanism i en förbränningsmotor |
| JP3352177B2 (ja) * | 1993-09-08 | 2002-12-03 | 株式会社オティックス | 可変動弁機構 |
| GB9401248D0 (en) * | 1994-01-24 | 1994-03-23 | Lotus Car | Cam mechanisms |
| DE69513320T2 (de) * | 1994-04-12 | 2000-04-13 | Unisia Jecs Corp., Atsugi | Ventiltrieb für Zylinder von Brennkraftmaschinen |
| JPH07317081A (ja) * | 1994-05-25 | 1995-12-05 | Hitoshi Mori | Pc部材の乾式接合方法 |
| US5544626A (en) | 1995-03-09 | 1996-08-13 | Ford Motor Company | Finger follower rocker arm with engine valve deactivator |
| US5529033A (en) * | 1995-05-26 | 1996-06-25 | Eaton Corporation | Multiple rocker arm valve control system |
| DE19621463A1 (de) | 1996-05-29 | 1997-12-04 | Schaeffler Waelzlager Kg | Als Schwing- bzw. Kipphebel ausgebildeter Nockenfolger eines Ventiltriebs einer Brennkraftmaschine |
| JPH1077815A (ja) * | 1996-09-05 | 1998-03-24 | Yamaha Motor Co Ltd | 内燃エンジンの動弁機構 |
| EP0843077B1 (de) * | 1996-11-18 | 2002-10-16 | Toyota Jidosha Kabushiki Kaisha | Ventilsteuerungsvorrichtung für eine Brennkraftmaschine |
| DE19802738A1 (de) | 1998-01-26 | 1999-07-29 | Opel Adam Ag | Vorrichtung zur variablen Steuerung eines Ventils einer Brennkraftmaschine |
-
2000
- 2000-04-28 DE DE10020884A patent/DE10020884A1/de not_active Withdrawn
-
2001
- 2001-04-20 WO PCT/DE2001/001532 patent/WO2001083952A1/de not_active Ceased
- 2001-04-20 EP EP01933619A patent/EP1276973B1/de not_active Expired - Lifetime
- 2001-04-20 DE DE50101002T patent/DE50101002D1/de not_active Expired - Lifetime
- 2001-04-20 US US10/258,780 patent/US6640761B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20030101955A1 (en) | 2003-06-05 |
| US6640761B2 (en) | 2003-11-04 |
| WO2001083952A1 (de) | 2001-11-08 |
| DE50101002D1 (de) | 2003-12-24 |
| EP1276973A1 (de) | 2003-01-22 |
| DE10020884A1 (de) | 2001-10-31 |
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