WO1999031359A1 - Vorrichtung zum betrieb von aktoren zur elektromagnetischen ventilsteuerung bei brennkraftmaschinen - Google Patents
Vorrichtung zum betrieb von aktoren zur elektromagnetischen ventilsteuerung bei brennkraftmaschinen Download PDFInfo
- Publication number
- WO1999031359A1 WO1999031359A1 PCT/EP1998/007879 EP9807879W WO9931359A1 WO 1999031359 A1 WO1999031359 A1 WO 1999031359A1 EP 9807879 W EP9807879 W EP 9807879W WO 9931359 A1 WO9931359 A1 WO 9931359A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- actuator
- actuators
- internal combustion
- lead frame
- control unit
- Prior art date
Links
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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
Definitions
- the invention relates to a device for operating actuators for electromagnetic valve control in internal combustion engines.
- the actuators designed as a separate assembly essentially consist of an opening magnet and a closing magnet, which are connected to one another by at least one housing part.
- the opening magnet and the closing magnet are electromagnets, each consisting of an excitation coil and a yoke.
- the excitation coils of the electromagnets are energized via several contacts which are led out of the housing part by means of a plug. Between the
- the opening magnet has a bushing for a plunger that connects the armature plate to an actuator spring plate.
- An actuator spring plate and the housing part or the outside of the opening magnet, an actuator spring is arranged.
- An actuator forms a functional unit with a gas exchange valve, whereby the gas exchange valve, corresponding to a conventional cylinder head with camshafts, is inserted into the valve seat of the.
- a functional unit consisting of an actuator and a gas exchange valve
- the actuator spring plate and the valve spring plate are pressed against one another.
- the anchor plate In the rest position of the functional unit, the anchor plate is located exactly in the middle between the opening magnet and the closing magnet.
- the gas exchange valve is in a middle position between the Valve seat of the cylinder head at which the valve is closed and the position in which the valve is open to the maximum.
- the actuators are controlled via an actuator control device which controls the valve clearance of the internal combustion engine through the start and duration of the energization of the opening magnets and the closing magnets.
- an actuator control device which controls the valve clearance of the internal combustion engine through the start and duration of the energization of the opening magnets and the closing magnets.
- data provided by sensors are required, from which the actuator control device determines, for example, the crankshaft speed and the crankshaft rotation angle.
- At least two actuators are necessary for an internal combustion engine using two-valve technology with one cylinder.
- a four-valve internal combustion engine with six cylinders up to 24 actuators are integrated in one cylinder head.
- the invention has for its object to provide a device for operating actuators for electromagnetic valve control in internal combustion engines, in which the actuators are arranged in a maintenance-friendly manner, the cooling is ensured and the connection to the actuator control unit takes place.
- An actuator control device is arranged on the actuator support and is connected to further control devices, to motor sensors and to the power supply.
- the internal combustion engine has a cylinder head, on which the actuator carrier is mounted as a separate component in a non-positive and positive manner.
- the actuator shafts in the actuator carrier are surrounded by coolant channels which are connected to coolant channels of the cylinder head or to a coolant circuit of the internal combustion engine,
- the further control devices are integrated in the actuator control device.
- the actuator support has a cover that encompasses the actuator control device, which cover may serve as a design support for the manufacturer of the internal combustion engine and is, for example, made of plastic.
- the cover has a plug device through which the actuator control device is connected to external electronic components.
- a lead frame with lead frame connections is injected into a plastic part and is arranged between the actuators and the control device.
- a cooled intermediate level is arranged between the actuator carrier and the actuator control device, which is advantageously designed as an aluminum plate.
- the cooled intermediate level has bushings for the lead frame connections of the lead frame.
- the cooled intermediate level is connected to the coolant channels of the cylinder head or to the coolant circuit of the internal combustion engine.
- the actuator control device is arranged directly at the actuators, with the cooling of the
- Actuator control unit and the actuators is guaranteed. Due to the layered structure, the actuators are easy to reach during maintenance work.
- FIG. 1 shows a schematic representation of a sectional view through an actuator designed as a separate assembly
- FIG. 2 shows the schematic representation of the layered structure of the device for operating actuators for electromagnetic valve control of a four-cylinder in-line engine
- Figure 3 is a schematic representation of a section through a piston internal combustion engine of the actuator carrier with the actuators, the cooled
- the actuator A consists essentially of an opening magnet ⁇ M with a bushing and a closing magnet SM, which are connected to each other by a housing part GT.
- the opening magnet ⁇ M and the closing magnet SM are electromagnets, each consisting of a yoke and an excitation coil.
- a circular armature plate AP made of a ferromagnetic material is arranged between the opening magnet ⁇ M and the closing magnet SM.
- the anchor plate AP is connected to an actuator spring plate AFT via a plunger S.
- the plunger S is guided through the opening magnet ⁇ M.
- An actuator spring AF is arranged between the actuator spring plate AFT and the opening magnet ⁇ M, which brings about the resetting of the anchor plate AP after it has been attracted by the closer magnet SM.
- FIG. 2 shows the layered structure of the device for operating actuators A for electromagnetic valve control for a four-cylinder piston internal combustion engine of a motor vehicle.
- the cylinders of the piston internal combustion engine are designed using four-valve technology, with an actuator A being provided for each gas exchange valve GV.
- 6 actuators A are arranged in the actuator shafts AS of the actuator support AT 1.
- the actuator bracket AT is screwed to the cylinder head ZK of the piston internal combustion engine in a positive and non-positive manner.
- An actuator A forms a functional unit with a gas exchange valve GV.
- the gas exchange valves GV are installed in the cylinder head ZK of the piston internal combustion engine.
- the gas exchange valves GV are each drawn into the valve seat of the cylinder head ZK by a valve spring VF via a valve spring plate VFT attached to the valve stem VS of the gas exchange valve GV.
- a functional nellen unit consisting of a gas exchange valve GV and an actuator A
- the actuator spring plate AFT and the valve spring plate VFT are pressed against each other, the armature plate AP being exactly in a central position between the opening magnet ⁇ M and the closing magnet SM.
- the valve spring VF causes the armature plate AP to return to this central position after the actuator spring plate AFT has moved away from it
- Opening magnet ⁇ M was opened to open the gas exchange valve GV.
- the actuator shafts AS which serve to receive the actuators A, are each milled out with the angles to the bottom surface of the actuator carrier such that the tappet of the actuators A forms a straight line with the valve stem VS of the gas exchange valves GV.
- Each actuator shaft AS of an actuator carrier AT has a device for fixing the actuators A. This device can be designed, for example, as a bayonet lock.
- the actuator shafts AS are equipped with the actuators A.
- the connectors SR of the actuators A with the contacts K protrude from the actuator carrier AT.
- the contacts K are with the excitation coil of the opening magnet ⁇ M and
- the actuator carrier AT has cooling water channels WK which surround each actuator A and which are connected to the cooling water circuit of the internal combustion engine via the cylinder head ZK.
- the cooling water located in the cooling water channels WK of the actuator bracket AT forms a water jacket which considerably reduces the damping of the
- a cooled intermediate level which is designed as an aluminum plate AE, is attached to the actuator support AT with the actuators A.
- the aluminum plate AE also has cooling water channels WK, which are horizontally worked into the aluminum plate AE and which are connected to the cooling water channels WK of the actuator bracket AT. If necessary, the cooling water channels WK of the actuator bracket AT and the aluminum plate AE are connected to the cooling water circuit of the internal combustion engine via cooling water hoses which are led out to the side.
- the aluminum plate AE has bushings for lead frame connections of a lead frame.
- the lead frame is injected into a multi-functional plastic part KT, which is attached to the aluminum plate AE.
- the plastic part KT takes over the insulation of the lead frame SG, for example from the Aluminum plate AE.
- the feedthroughs of the aluminum plate AE, into which the multifunctional plastic part KT with the lead frame connections is inserted, are designed as solid mechanical slots. Through these slots, the connectors SR of the actuators A are fixed with the contacts K, and the lead frame connections of the lead frame are reliably electrically connected to the contacts K of the connectors SR of the actuators A.
- An actuator control device AG is attached to the multifunctional plastic part KT, which takes over all functions necessary for the control of the actuators A.
- the actuator control unit AG is connected to the power supply of the motor vehicle as well
- the engine sensors enable the actuator control unit AG to determine the crankshaft rotation angle and the crankshaft speed.
- the actuator control unit AG can be connected to further sensors, which for example recognize the load state of the piston internal combustion engine.
- the actuator control unit AG is protected against excessive heating due to the high heat development during the operation of the actuators A by the cooling of the aluminum plate AE.
- the aluminum plate AE with the multifunctional plastic part KT and the actuator control unit AG is covered by a cover AD.
- the cover AD is off
- Manufactured plastic and also serves as a design carrier of the manufacturer of the piston internal combustion engine or motor vehicle.
- the cover AD prevents moisture from penetrating into the interior of the cover.
- a plug-in device SV is provided on the side of the cover AD, through which the actuator control unit AG with the power supply, further control units and further sensors of the
- Piston engine is connected.
- FIG. 3 shows a section through the device for operating actuators A for electromagnetic valve control in the assembled state.
- the figure shows primarily the compact structure of the device. In the event of a defect, the plug device SV of the cover will be repaired
- the cover AD can then be removed by yourself.
- the Actuator control unit AG, the multifunctional plastic part KT with the lead frame and the aluminum plate AE are removed together. From the now exposed actuators A, the defective actuator can be lifted out of the actuator shaft AS of the actuator support AT. This is done, for example, with a special tool that is used to release the bayonet lock by turning it a quarter turn.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/367,567 US6164253A (en) | 1997-12-17 | 1998-12-03 | Actuators operating device for electromagnetic valve actuation in internal combustion engines |
EP98965229A EP0968357B1 (de) | 1997-12-17 | 1998-12-03 | Vorrichtung zum betrieb von aktoren zur elektromagnetischen ventilsteuerung bei brennkraftmaschinen |
JP53197099A JP2001514721A (ja) | 1997-12-17 | 1998-12-03 | 内燃機関における電磁弁制御を行うアクチュエータの動作装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756095.4 | 1997-12-17 | ||
DE19756095A DE19756095C2 (de) | 1997-12-17 | 1997-12-17 | Vorrichtung zum Betrieb von Aktoren zur elektromagnetischen Ventilsteuerung bei Brennkraftmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999031359A1 true WO1999031359A1 (de) | 1999-06-24 |
Family
ID=7852244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/007879 WO1999031359A1 (de) | 1997-12-17 | 1998-12-03 | Vorrichtung zum betrieb von aktoren zur elektromagnetischen ventilsteuerung bei brennkraftmaschinen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6164253A (de) |
EP (1) | EP0968357B1 (de) |
JP (1) | JP2001514721A (de) |
DE (1) | DE19756095C2 (de) |
WO (1) | WO1999031359A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1146205A3 (de) * | 2000-04-15 | 2001-11-14 | FEV Motorentechnik GmbH | Elektromagnetischer Aktuator mit Federhaltekappe zur Betätigung eines Gaswechselventils an einer Kolbenbrennkraftmaschine |
EP1291495A1 (de) * | 2001-09-07 | 2003-03-12 | Toyota Jidosha Kabushiki Kaisha | Ventilbetätigungsvorrichtung einer Brennkraftmaschine |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3907835B2 (ja) * | 1998-06-25 | 2007-04-18 | 日産自動車株式会社 | 車両用エンジンの動弁装置 |
DE19846974A1 (de) * | 1998-10-12 | 2000-04-13 | Bayerische Motoren Werke Ag | Elektromagnetischer Aktuator zur Betätigung eines Brennkraftmaschinen-Hubventils |
DE19854542C1 (de) | 1998-11-26 | 2000-04-13 | Daimler Chrysler Ag | Vorrichtung zur Kontaktierung eines Motorsteuergerätes |
DE19922425C1 (de) | 1999-05-14 | 2000-10-19 | Siemens Ag | Elektromechanischer Stellantrieb und seine Montage z.B. als Gaswechselventil in den Zylinderkopf einer Brennkraftmaschine |
DE19943620A1 (de) | 1999-09-11 | 2001-03-15 | Bayerische Motoren Werke Ag | Vorrichtung mit einem elektromagnetischen Aktuator zur Betätigung eines Gaswechselventils einer Brennkraftmaschine |
DE19948205A1 (de) * | 1999-10-07 | 2001-04-12 | Heinz Leiber | Elektromagnetische Ventilsteueranordnung |
FR2814319B1 (fr) * | 2000-09-19 | 2002-11-29 | Sagem | Dispositif de connexion pour l'acheminement de signaux de commande et de puissance vers des actionneurs de soupapes d'un moteur a combustion interne |
FR2818308B1 (fr) * | 2000-12-15 | 2003-07-04 | Peugeot Citroen Automobiles Sa | Moteur thermique a soupapes a commande electromagnetique |
US7089894B2 (en) | 2003-10-14 | 2006-08-15 | Visteon Global Technologies, Inc. | Electromechanical valve actuator assembly |
US7152558B2 (en) * | 2003-10-14 | 2006-12-26 | Visteon Global Technologies, Inc. | Electromechanical valve actuator assembly |
US20070068472A1 (en) * | 2005-03-31 | 2007-03-29 | Wilson Wayne M | Variable Valve Operating System for an Internal Combustion Engine |
FR2906298B1 (fr) * | 2006-09-25 | 2008-12-26 | Valeo Sys Controle Moteur Sas | Systeme de commande de soupape a detection de defaillance |
DE102011087687B4 (de) * | 2011-12-05 | 2021-04-15 | Schaeffler Technologies AG & Co. KG | Befestigungseinrichtung für ein Bauteil an einem Gehäuseblock mittels Bajonett |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2192242A1 (de) * | 1972-07-12 | 1974-02-08 | British Leyland Ltd | |
DE4225329A1 (de) * | 1992-07-31 | 1993-02-18 | Dreyer Dietmar | Ventilansteuerungseinrichtung fuer den einsatz in verbrennungsmotoren |
EP0798450A1 (de) * | 1996-03-25 | 1997-10-01 | Toyota Jidosha Kabushiki Kaisha | Brennkraftmaschine mit einer elektromagnetischen Betätigungsvorrichtung für die Hubventile und Zylinderkopfstrukturen desselben |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3513109A1 (de) * | 1985-04-12 | 1986-10-16 | Fleck, Andreas, 2000 Hamburg | Elektromagnetisch arbeitende stellvorrichtung |
US5255650A (en) * | 1992-06-01 | 1993-10-26 | Caterpillar Inc. | Engine braking utilizing unit valve actuation |
DE19611547A1 (de) * | 1996-03-23 | 1997-09-25 | Bayerische Motoren Werke Ag | Elektromagnetische Betätigungsvorrichtung für Brennkraftmaschinen-Hubventile |
DE19615435A1 (de) * | 1996-04-19 | 1997-10-23 | Daimler Benz Ag | Vorrichtung zur elektromagnetischen Betätigung eines Gaswechselventiles für Verbrennungsmotoren |
-
1997
- 1997-12-17 DE DE19756095A patent/DE19756095C2/de not_active Expired - Fee Related
-
1998
- 1998-12-03 WO PCT/EP1998/007879 patent/WO1999031359A1/de active IP Right Grant
- 1998-12-03 EP EP98965229A patent/EP0968357B1/de not_active Expired - Lifetime
- 1998-12-03 US US09/367,567 patent/US6164253A/en not_active Expired - Fee Related
- 1998-12-03 JP JP53197099A patent/JP2001514721A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2192242A1 (de) * | 1972-07-12 | 1974-02-08 | British Leyland Ltd | |
DE4225329A1 (de) * | 1992-07-31 | 1993-02-18 | Dreyer Dietmar | Ventilansteuerungseinrichtung fuer den einsatz in verbrennungsmotoren |
EP0798450A1 (de) * | 1996-03-25 | 1997-10-01 | Toyota Jidosha Kabushiki Kaisha | Brennkraftmaschine mit einer elektromagnetischen Betätigungsvorrichtung für die Hubventile und Zylinderkopfstrukturen desselben |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1146205A3 (de) * | 2000-04-15 | 2001-11-14 | FEV Motorentechnik GmbH | Elektromagnetischer Aktuator mit Federhaltekappe zur Betätigung eines Gaswechselventils an einer Kolbenbrennkraftmaschine |
EP1291495A1 (de) * | 2001-09-07 | 2003-03-12 | Toyota Jidosha Kabushiki Kaisha | Ventilbetätigungsvorrichtung einer Brennkraftmaschine |
US6679204B2 (en) | 2001-09-07 | 2004-01-20 | Toyota Jidosha Kabushiki Kaisha | Valve driving apparatus of internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
DE19756095A1 (de) | 1999-06-24 |
EP0968357B1 (de) | 2003-06-25 |
DE19756095C2 (de) | 2001-11-22 |
EP0968357A1 (de) | 2000-01-05 |
JP2001514721A (ja) | 2001-09-11 |
US6164253A (en) | 2000-12-26 |
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