EP1083302A2 - Electromagnetically actuated valve drive in an internal combustion engine - Google Patents

Electromagnetically actuated valve drive in an internal combustion engine Download PDF

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Publication number
EP1083302A2
EP1083302A2 EP00117905A EP00117905A EP1083302A2 EP 1083302 A2 EP1083302 A2 EP 1083302A2 EP 00117905 A EP00117905 A EP 00117905A EP 00117905 A EP00117905 A EP 00117905A EP 1083302 A2 EP1083302 A2 EP 1083302A2
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EP
European Patent Office
Prior art keywords
housing
support beams
armature
strip
cylinder head
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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
Application number
EP00117905A
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German (de)
French (fr)
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EP1083302B1 (en
EP1083302A3 (en
Inventor
Clemens Luchner
Wolfgang Hundt
Herbert Klausnitzer
Albert Hoerl-Liegl
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Bayerische Motoren Werke AG
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Bayerische Motoren Werke AG
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Publication of EP1083302A2 publication Critical patent/EP1083302A2/en
Publication of EP1083302A3 publication Critical patent/EP1083302A3/en
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Publication of EP1083302B1 publication Critical patent/EP1083302B1/en
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    • 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 preamble of claim 1 Device with an electromagnetic actuator for actuating a gas exchange valve an internal combustion engine, comprising both sides of a stroke oscillating drivable armature provided switching magnets in a multi-part, the machine-side arrangement serving support, which acts as a frame-like Housing with spaced support beams connected in one piece via crossbeams is formed, and the support bracket between the stroke direction of the armature between divided the crossbar and for a machine-side arrangement of an actuator arranged secured relative to each other clamped against one another by clamping means are.
  • the invention has for its object the generic device for actuation further develop several gas exchange valve, this goal with one simplified structure is achieved by breaking separation.
  • actuators for essentially aligned gas exchange valves arranged in series Cylinders of the internal combustion engine in a common, strip-like design Housing are arranged, and the housing by means of breaking the support beams is divided in two at about the level of the resting anchor, with the essentially simultaneous fracture separation of the support beams between the anchor stroke direction between Breakage notches have approximately averaged passageways that coincide with cross to the anchor lifting direction essentially parallel clamping screws.
  • a device 1 with an electromagnetic actuator 2 for actuating a Gas exchange valve 3 of an internal combustion engine comprises on both sides of a stroke oscillating armature 4 provided switching magnets 5 and 6 in a multi-part, the machine-side arrangement supporting device, which as a frame-like housing 7 with cross members 8 and 9 in one piece connected, spaced support beams 10 is formed, the support beams 10 divided transversely to the stroke direction of the armature 4 between the cross members 8 and 9 and secured for a machine-side arrangement of the actuator 2 relative to each other Arranged clamped against one another via clamping means 11 designed as clamping screws are.
  • this device 1 for the purpose of actuating several, in several Cylinders of the internal combustion engine, not shown, arranged gas exchange valves with the further objective of a structure of the Device 1 is proposed according to the invention that actuators 2 for essentially aligned gas exchange valves 3 arranged in series Cylinders of the internal combustion engine, not shown, in a common, strip-like designed housing 7 are arranged.
  • the strip-like housing is used to achieve safe breakage separation 7 cast from a silicon, particle or fiber-containing light metal alloy.
  • coil cores 14 formed from core sheets of the switching magnets 5 and 6 with the support beams 10 and / or with sections of the cross members 8 and 9 each for heat dissipation in a flat system, the coil cores 14 being unprocessed poured into the housing 7 or processed subsequently used and are arranged cohesively or non-positively / positively.
  • a structurally simple construction of the housing 7 is further achieved in that a housing section 7 'between two adjacent support beams 10 several Coil cores 14 corresponding to several gas exchange valves 3 of a cylinder Inlet and one outlet valve or two similar gas exchange valves for Inlet and outlet - are arranged, with the coil cores 14 at both ends have open, channel-like recesses 15 for receiving sections magnet coils 16 running outside the coil cores 14, as is the case with a outer housing section 7 'can be seen in Figure 3.
  • This design of the Solenoid coils 16 serve on the one hand for a simple connection of the ones not shown Power and control lines and, on the other hand, is intended for additional cooling the magnetic coils 16.
  • the strip-like housing 7 protrudes on the cylinder head-side crossbar 8 arranged extensions 22 with relative small contact surfaces in a thermally conductive connection with cooled contact surfaces on the cylinder head 23, the two-part for assembly purposes and by means of separate, not shown screws one-piece handle 7 housing through clamping screws 11 is attached to the cylinder head 23.
  • the cabling module 24 preferably arranged on one of the cover strips 21 24 via a wall opening in the cylinder head 23, not shown is led to the outside.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

The arrangement has switching magnets either side of an armature driven in oscillatory manner in a multi-part bearer forming a frame-like housing. Actuators (2) for gas changing valves are arranged in a common, bar-shaped housing (7) divided in two by break points in the supporting bearers (10) at about the height of the resting armature and held together by clamp bolts (11).

Description

Die Erfindung bezieht sich nach dem Oberbegriff des Patentanspruches 1 auf eine Vorrichtung mit einem elektromagnetischen Aktuator zur Betätigung eines Gaswechselventils einer Brennkraftmaschine, umfassend beiderseits eines huboszillierend antreibbaren Ankers vorgesehene Schaltmagnete in einer mehrteiligen, der maschinenseitigen Anordnung dienenden Trageinrichtung, die als ein rahmenartiges Gehäuse mit über Quertraversen einstückig verbundenen, beabstandeten Stützträgern gebildet ist, und die Stützträger quer zur Hubrichtung des Ankers zwischen den Quertraversen geteilt und für eine maschineriseitige Anordnung eines Aktuators relativ zueinander gesichert über Spannmittel gegeneinander verspannt angeordnet sind.The invention relates to a preamble of claim 1 Device with an electromagnetic actuator for actuating a gas exchange valve an internal combustion engine, comprising both sides of a stroke oscillating drivable armature provided switching magnets in a multi-part, the machine-side arrangement serving support, which acts as a frame-like Housing with spaced support beams connected in one piece via crossbeams is formed, and the support bracket between the stroke direction of the armature between divided the crossbar and for a machine-side arrangement of an actuator arranged secured relative to each other clamped against one another by clamping means are.

Eine derartige Vorrichtung ist Gegenstand der deutschen Patentanmeldung 198 38 101, wobei die Vorrichtung zum Antrieb eines einzelnen Gaswechselventils vorgeschlagen wurde.Such a device is the subject of the German patent application 198 38 101, the device for driving a single gas exchange valve was proposed.

Aus der US-A 3,853,102 ist eine gattungsfremde Vorrichtung zum Antrieb eines Einlass- und eines Auslass-Ventils eines Zylinders einer Brennkraftmaschine bekannt, wobei die einzelnen Aktuatoren für die vorgenannten Gaswechselventile auf einer gemeinsamen, am Zylinderkopf befestigbaren Trageinrichtung angeordnet sind.From US-A 3,853,102 a non-generic device for driving a Inlet and an outlet valve of a cylinder of an internal combustion engine are known, the individual actuators for the aforementioned gas exchange valves a common support device arranged on the cylinder head are.

Ferner ist aus der US-A 4,779,582 eine gattungsfremde Vorrichtung zum Antrieb zweier gleichartiger Gaswechselventile bekannt, wobei in einem sowohl die Schließfeder als auch die Öffnungsfeder aufnehmenden, zweiteiligen Gehäuse eine gemeinsame Magnetspule zur Steuerung der mit den Ventilschäften fest verbundenen Anker dient.Furthermore, from US-A 4,779,582 a non-generic device for driving two similar gas exchange valves are known, both in one Closing spring and the opening spring receiving two-piece housing Common solenoid for controlling the parts firmly connected to the valve stems Serves anchor.

Der Erfindung liegt die Aufgabe zugrunde, die gattungsgemäße Vorrichtung zur Betätigung mehrerer Gaswechselventil weiterzubilden, wobei dieses Ziel mit einem durch Bruchtrennen vereinfachten Aufbau erzielt ist.The invention has for its object the generic device for actuation further develop several gas exchange valve, this goal with one simplified structure is achieved by breaking separation.

Diese Aufgabe ist mit dem Patentanspruch 1 dadurch gelöst, dass Aktuatoren für im wesentlichen fluchtend angeordnete Gaswechselventile von in Reihe angeordneten Zylindern der Brennkraftmaschine in einem gemeinsamen, leistenartig gestalteten Gehäuse angeordnet sind, und das Gehäuse mittels Bruchtrennen der Stützträger etwa auf Höhe des ruhenden Ankers zweigeteilt ist, wobei zum im wesentlichen gleichzeitigen Bruchtrennen die Stützträger quer zur Anker-Hubrichtung zwischen Bruchtrennkerben etwa gemittelt angeordnete Durchgänge aufweisen, die sich mit zur Anker-Hubrichtung im wesentlichen parallel anordbaren Spannschrauben kreuzen.This object is achieved with claim 1 in that actuators for essentially aligned gas exchange valves arranged in series Cylinders of the internal combustion engine in a common, strip-like design Housing are arranged, and the housing by means of breaking the support beams is divided in two at about the level of the resting anchor, with the essentially simultaneous fracture separation of the support beams between the anchor stroke direction between Breakage notches have approximately averaged passageways that coincide with cross to the anchor lifting direction essentially parallel clamping screws.

Mit der Erfindung ist in vorteilhafter Weise ein kostengünstig herstellbares, mehrere Aktuatoren für Gaswechselventile mehrerer Zylinder aufnehmendes Gehäuse erzielt, das in weiterer vorteilhafter Weise gegenüber einer Vielzahl von Einzelgehäusen mit Aktuatoren für Ventilantriebe einen insgesamt geringeren Montagesufwand aufweist. Weiter kann mit der erfindungsgemäßen Anordnung der im Zylinderkopf gegebene Bauraum zur Wahl großflächiger Schaltmagnete genutzt werden.With the invention is advantageously one inexpensive to produce, several Actuators for gas exchange valves of several cylinders accommodating housing achieved, this in a further advantageous manner compared to a large number of individual housings with actuators for valve drives, overall less installation effort having. Furthermore, with the arrangement according to the invention, that in the cylinder head given space can be used to select large switching magnets.

Weitere Vorteile der Erfindung sind mit den in Unteransprüchen beschriebenen Ausgestaltungen der Erfindung erzielt. Further advantages of the invention are described in the subclaims Embodiments of the invention achieved.

Die Erfindung ist anhand eines in der Zeichnung dargestellten Ausführungsbeispiels beschrieben. Es zeigt

Figur 1
ein erfindungsgemäßes Gehäuse für gleichartige Ventile mehrerer Zylinder,
Figur 2
das Gehäuse im Querschnitt mit einem Aktuator, und
Figur 3
die zylinderkopfseitige Quertraverse des Gehäuses in Draufsicht mit Einzeldarstellungen zu unterschiedlichen Funktionen.
The invention is described with reference to an embodiment shown in the drawing. It shows
Figure 1
an inventive housing for similar valves of several cylinders,
Figure 2
the housing in cross section with an actuator, and
Figure 3
the crosshead of the housing on the cylinder head in plan view with individual representations of different functions.

Eine Vorrichtung 1 mit einem elektromagnetischen Aktuator 2 zur Betätigung eines Gaswechselventils 3 einer nicht gezeigten Brennkraftmaschine umfasst beiderseits eines huboszillierend antreibbaren Ankers 4 vorgesehene Schaltmagnete 5 und 6 in einer mehrteiligen, der maschinenseitigen Anordnung dienenden Trageinrichtung, die als ein rahmenartiges Gehäuse 7 mit über Quertraversen 8 und 9 einstückig verbundenen, beabstandeten Stützträgern 10 gebildet ist, wobei die Stützträger 10 quer zur Hubrichtung des Ankers 4 zwischen den Quertraversen 8 und 9 geteilt und für eine maschinenseitige Anordnung des Aktuators 2 relativ zueinander gesichert über als Spannschrauben gestaltete Spannmittel 11 gegeneinander verspannt angeordnet sind.A device 1 with an electromagnetic actuator 2 for actuating a Gas exchange valve 3 of an internal combustion engine, not shown, comprises on both sides of a stroke oscillating armature 4 provided switching magnets 5 and 6 in a multi-part, the machine-side arrangement supporting device, which as a frame-like housing 7 with cross members 8 and 9 in one piece connected, spaced support beams 10 is formed, the support beams 10 divided transversely to the stroke direction of the armature 4 between the cross members 8 and 9 and secured for a machine-side arrangement of the actuator 2 relative to each other Arranged clamped against one another via clamping means 11 designed as clamping screws are.

Zur Weiterbildung dieser Vorrichtung 1 zwecks Betätigung mehrerer, in mehreren Zylindern der nicht gezeigten Brennkraftmaschine angeordneten Gaswechselventile mit der weiteren Zielsetzung eines durch Bruchtrennen vereinfachten Aufbaues der Vorrichtung 1 wird erfindungsgemäß vorgeschlagen, dass Aktuatoren 2 für im wesentlichen fluchtend angeordnete Gaswechselventile 3 von in Reihe angeordneten Zylindern der nicht gezeigten Brennkraftmaschine in einem gemeinsamen, leistenartig gestalteten Gehäuse 7 angeordnet sind. Weiter ist das Gehäuse 7 mittels Bruchtrennen der Stützträger 10 etwa auf Höhe des ruhenden Ankers 4 zweigeteilt, wobei zum im wesentlichen gleichzeitigen Bruchtrennen die Stützträger 10 quer zur Anker-Hubrichtung gemäß Pfeil "A" zwischen Bruchtrennkerben 12 etwa gemittelt angeordnete Durchgänge 13 aufweisen, die sich mit zur Anker-Hubrichtung gemäß Pfeil "A" im wesentlichen parallel anordbaren Spannschrauben 11 kreuzen.To further develop this device 1 for the purpose of actuating several, in several Cylinders of the internal combustion engine, not shown, arranged gas exchange valves with the further objective of a structure of the Device 1 is proposed according to the invention that actuators 2 for essentially aligned gas exchange valves 3 arranged in series Cylinders of the internal combustion engine, not shown, in a common, strip-like designed housing 7 are arranged. Next is the housing 7 by means of Fracture separation of the support beams 10 in two at approximately the level of the resting anchor 4, the support beams 10 transverse to the substantially simultaneous fracture separation Armature stroke direction according to arrow "A" between break separation notches 12 approximately averaged have arranged passages 13, which correspond to the anchor lifting direction Cross arrow "A" clamping screws 11 which can be arranged essentially parallel.

Zur Erzielung eines sicheren Bruchtrennens ist das leistenartig gestaltete Gehäuse 7 aus einer silizium-, partikel- oder faserhaltigen Leichtmetall-Legierung gegossen. Ferner stehen aus Kernblechen gebildete Spulenkerne 14 der Schaltmagnete 5 und 6 mit den Stützträgern 10 und/oder mit Abschnitten der Quertraversen 8 und 9 jeweils zwecks Wärmeableitung in flächiger Anlage, wobei die Spulenkerne 14 unbearbeitet in das Gehäuse 7 eingegossen oder bearbeitet nachträglich eingesetzt und stoffschlüssig oder kraft-/formschlüssig angeordnet sind.The strip-like housing is used to achieve safe breakage separation 7 cast from a silicon, particle or fiber-containing light metal alloy. There are also coil cores 14 formed from core sheets of the switching magnets 5 and 6 with the support beams 10 and / or with sections of the cross members 8 and 9 each for heat dissipation in a flat system, the coil cores 14 being unprocessed poured into the housing 7 or processed subsequently used and are arranged cohesively or non-positively / positively.

Ein konstruktiv einfacher Aufbau des Gehäuses 7 ist weiter dadurch erzielt, dass in einem Gehäuse-Abschnitt 7' zwischen zwei benachbarten Stützträgern 10 mehrere Spulenkerne 14 entsprechend mehreren Gaswechselventilen 3 eines Zylinders - ein Einlass- und ein Auslassventil oder jeweils zwei gleichartige Gaswechselventile für Ein- und Auslass - angeordnet sind, wobei die Spulenkerne 14 an beiden Enden offene, kanalartige Ausnehmungen 15 aufweisen zur Aufnahme von abschnittsweise außerhalb der Spulenkerne 14 verlaufenden Magnetspulen 16, wie dies aus einem äußeren Gehäuse-Abschnitt 7' in Figur 3 erkennbar ist. Diese Gestaltung der Magnetspulen 16 dient einerseits einem einfachen Anschluss der nicht gezeigten Energie- und Steuer-Leitungen und bezweckt andererseits eine zusätzliche Kühlung der Magnetspulen 16.A structurally simple construction of the housing 7 is further achieved in that a housing section 7 'between two adjacent support beams 10 several Coil cores 14 corresponding to several gas exchange valves 3 of a cylinder Inlet and one outlet valve or two similar gas exchange valves for Inlet and outlet - are arranged, with the coil cores 14 at both ends have open, channel-like recesses 15 for receiving sections magnet coils 16 running outside the coil cores 14, as is the case with a outer housing section 7 'can be seen in Figure 3. This design of the Solenoid coils 16 serve on the one hand for a simple connection of the ones not shown Power and control lines and, on the other hand, is intended for additional cooling the magnetic coils 16.

Aus einem anderen Gehäuse-Abschnitt 7' der Figur 3 ist weiter erkennbar, dass mehrere in einem Gehäuse-Abschnitt 7' über die Quertraversen 8 und 9 hubbeweglich durchsetzende Stößel 18 gemäß Figur 2 geführte Anker 4 den Magnetspulen 16 entsprechend angepaßt von im wesentlichen rechteckiger Gestalt sind, und dass die Anker 4 zum einwandfreien Betrieb stirnseitig und/oder längsseitig mittels an den Stützträgern 10 anordbaren Gleitflächen-Elementen 19, 20 drehgesichert sind. Beispielsweise U-förmig gestaltete Gleitflächen-Elemente 19 sind an den Stirnseiten der Stützträger 10 angeordnet und in deren Durchbrechungen 13 befestigt, wie aus Figur 3 ersichtlich. Weiter ist aus den Figuren 2 und 3 als weiteres Gleitflächen-Element 20 ein zwischen den Außenabschnitten 16' diametral angeordneter Magnetspulen 16 angeordneter Abdeckstreifen 21 ersichtlich, der jeweils mit in die Durchbrechungen 13 eingreifenden Befestigungsmitteln am Gehäuse 7 fixiert ist. Jeder der Abdeckstreifen 21 kann zusätzlich zur Lagesicherung der Magnetspulen 16 dienen und ferner als Träger eines Verkabelungsmoduls 24 dienen.From another housing section 7 'of FIG. 3 it can also be seen that several in a housing section 7 'on the cross members 8 and 9 movable penetrating plunger 18 according to FIG. 2 guided armature 4 the magnetic coils 16 are accordingly adapted from a substantially rectangular shape, and that the Anchor 4 for proper operation on the front and / or along the side by means of Support beams 10 arrangeable sliding surface elements 19, 20 are secured against rotation. For example U-shaped sliding surface elements 19 are on the end faces the support bracket 10 is arranged and secured in their openings 13, as from Figure 3 can be seen. Next is from Figures 2 and 3 as a further sliding surface element 20 a magnet coil arranged diametrically between the outer sections 16 ' 16 arranged cover strip 21 can be seen, each with the openings 13 engaging fasteners is fixed to the housing 7. Everyone the cover strip 21 can additionally serve to secure the position of the magnet coils 16 and also serve as a carrier of a cabling module 24.

Wie aus Figur 2 näher ersichtlich, steht das leistenartig gestaltete Gehäuse 7 über an der zylinderkopfseitigen Quertraverse 8 angeordnete Fortsätze 22 mit relativ kleinen Anlageflächen in wärmeleitender Verbindung mit gekühlten Auflageflächen am Zylinderkopf 23, wobei das zu Montagezwecken zweiteilig ausgebildete und mittels separater, nicht gezeigter Schrauben einteilig handlbare Gehäuse 7 über durchgehende Spannschrauben 11 am Zylinderkopf 23 befestigt ist.As can be seen in more detail from FIG. 2, the strip-like housing 7 protrudes on the cylinder head-side crossbar 8 arranged extensions 22 with relative small contact surfaces in a thermally conductive connection with cooled contact surfaces on the cylinder head 23, the two-part for assembly purposes and by means of separate, not shown screws one-piece handle 7 housing through clamping screws 11 is attached to the cylinder head 23.

Schließlich ist an dem leistenartig gestalteten Gehäuse 7 ein Energie- und Steuerleitungen umfassendes Verkabelungsmodul 24 für die Aktuatoren 2 angeordnet, wobei das vorzugsweise an einem der Abdeckstreifen 21 angeordnete Verkabelungsmodul 24 über eine nicht gezeigte Wanddurchbrechung im Zylinderkopf 23 nach außen geführt ist.Finally, on the strip-like housing 7 there is an energy and control line comprehensive cabling module 24 arranged for the actuators 2, the cabling module preferably arranged on one of the cover strips 21 24 via a wall opening in the cylinder head 23, not shown is led to the outside.

Claims (6)

Vorrichtung mit einem elektromagnetischen Aktuator zur Betätigung eines Gaswechselventils einer Brennkraftmaschine, umfassend beiderseits eines huboszillierend antreibbaren Ankers (4) vorgesehene Schaltmagnete (5, 6) in einer mehrteiligen, der maschinenseitigen Anordnung dienenden Trageinrichtung, die als ein rahmenartiges Gehäuse (7) mit über Quertraversen (8, 9) einstückig verbundenen, beabstandeten Stützträgern (10) gebildet ist, wobei die Stützträger (10) quer zur Hubrichtung des Ankers (4) zwischen den Quertraversen (8, 9) geteilt und für eine maschinenseitige Anordnung eines Aktuators (2) relativ zueinander gesichert über Spannmittel (11) gegeneinander verspannt angeordnet sind,
dadurch gekennzeichnet, dass Aktuatoren (2) für im wesentlichen fluchtend angeordnete Gaswechselventile (3) von in Reihe angeordneten Zylindern der Brennkraftmaschine in einem gemeinsamen, leistenartig gestalteten Gehäuse (7) angeordnet sind, und das Gehäuse (7) mittels Bruchtrennen der Stützträger (10) etwa auf Höhe des ruhenden Ankers (4) zweigeteilt ist, wobei zum im wesentlichen gleichzeitigen Bruchtrennen der Stützträger (10) quer zur Anker-Hubrichtung (Pfeil "A") zwischen Bruchtrennkerben (12) etwa gemittelt angeordnete Durchgänge (13) aufweisen, die sich mit zur Anker-Hubrichtung (Pfeil "A") im wesentlichen parallel anordbaren Spannschrauben (11) kreuzen. Device with an electromagnetic actuator for actuating a gas exchange valve of an internal combustion engine, comprising switching magnets (5, 6) provided on both sides of a stroke - oscillating armature (4) in a multi - part support device which serves to arrange the machine is formed as a frame-like housing (7) with spaced support beams (10) which are integrally connected via cross-beams (8, 9), wherein the support beams (10) are divided transversely to the stroke direction of the armature (4) between the cross members (8, 9) and are secured relative to one another by means of clamping means (11) for a machine-side arrangement of an actuator (2),
characterized by that actuators (2) for gas exchange valves (3) arranged essentially in alignment of cylinders of the internal combustion engine arranged in series are arranged in a common, strip-shaped housing (7), and the housing (7) is divided in two by breaking the support beams (10) approximately at the level of the resting armature (4), wherein for substantially simultaneous fracture separation of the support beams (10) transversely to the armature lifting direction (arrow "A") between fracture separation notches (12) have passages (13) which are arranged approximately at an average and which intersect with the tensioning screws (11) which can be arranged essentially parallel to the armature stroke direction (arrow "A"). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das leistenartig gestaltete Gehäuse (7) aus einer partikelhaltigen Leichtmetall-Legierung gegossen ist, und dass aus Kernblechen gebildete Spulenkerne (14) der Schaltmagnete (5, 6) mit den Stützträgern (10) und/oder mit Abschnitten der Quertraversen (8, 9) jeweils in flächiger Anlage stehen, wobei die Spulenkerne (14) unbearbeitet in das Gehäuse (7) eingegossen oder
bearbeitet nachträglich eingesetzt und stoffschlüssig oder kraft-/formschlüssig angeordnet sind. Device according to claim 1, characterized in that the strip-like housing (7) is cast from a particle-containing light metal alloy, and that coil cores (14) of the switching magnets (5, 6) formed from core sheets are in flat contact with the support beams (10) and / or with sections of the crossbeams (8, 9), wherein cast the coil cores (14) unprocessed in the housing (7) or
processed subsequently used and arranged cohesively or non-positively / positively. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass in einem Gehäuse-Abschnitt (7') zwischen zwei benachbarten Stützträgern (10) mehrere Spulenkerne (14) entsprechend mehreren Gaswechselventilen (3) eines Zylinders angeordnet sind, wobei die Spulenkerne (14) an beiden Enden offene, kanalartige Ausnehmungen (15) aufweisen zur Aufnahme von abschnittsweise außerhalb der Spulenkerne (14) verlaufenden Magnetspulen (16). Device according to claim 2, characterized in that in a housing section (7 ') between two adjacent support beams (10) a plurality of coil cores (14) corresponding to a plurality of gas exchange valves (3) of a cylinder are arranged, wherein the coil cores (14) have open, channel-like recesses (15) at both ends for receiving magnetic coils (16) running in sections outside the coil cores (14). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass mehrere in einem Gehäuse-Abschnitt (7') über die Quertraversen (8, 9) hubbeweglich durchsetzende Stößel (18) geführte Anker (4) den Magnetspulen (16) entsprechend angepasst von im wesentlichen rechteckiger Gestalt sind, und dass die Anker (4) stirnseitig und/oder längsseitig mittels an den Stützträgern (10) anordbaren Gleitflächen-Elementen (19, 20) drehgesichert sind. Device according to claim 3, characterized in that a plurality of anchors (4) which are guided in a housing section (7 ') via the cross members (8, 9) and which pass through the crossbars (8, 9) in a stroke-movable manner are adapted to the magnetic coils (16) in a substantially rectangular shape, and that the anchors (4) are secured against rotation on the front and / or lengthways side by means of sliding surface elements (19, 20) which can be arranged on the support beams (10). Vorrichtung nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, dass das leistenartig gestaltete Gehäuse (7) über an der zylinderkopfseitigen Quertraverse (8) angeordnete Fortsätze (22) mit relativ kleinen Anlageflächen in wärmeleitender Verbindung mit gekühlten Auflageflächen im/am Zylinderkopf (23) steht, wobei das zweiteilige Gehäuse (7) über durchgehende Spannschrauben (11) im/am Zylinderkopf (23) befestigt ist. Device according to claims 1 to 4, characterized in that that the strip-shaped housing (7) is arranged in a heat-conducting connection with cooled contact surfaces in / on the cylinder head (23) via projections (22) arranged on the crosshead (8) on the cylinder head side, with the two-part housing (7) is fastened in / on the cylinder head (23) by means of continuous clamping screws (11). Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass an dem leistenartig gestalteten Gehäuse (7) ein Energie- und Steuerleitungen umfassendes Verkabelungsmodul (24) für die Aktuatoren (2) angeordnet ist, wobei das Verkabelungsmodul (24) über eine Wanddurchbrechung im Zylinderkopf (23) nach außen geführt ist. Device according to one of claims 1 to 5, characterized in that that a cabling module (24) for the actuators (2) is provided on the strip-like housing (7), wherein the cabling module (24) is led to the outside via a wall opening in the cylinder head (23).
EP20000117905 1999-09-11 2000-08-19 Electromagnetically actuated valve drive in an internal combustion engine Expired - Lifetime EP1083302B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19943620 1999-09-11
DE19943620A DE19943620A1 (en) 1999-09-11 1999-09-11 Device with an electromagnetic actuator for actuating a gas exchange valve of an internal combustion engine

Publications (3)

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EP1083302A2 true EP1083302A2 (en) 2001-03-14
EP1083302A3 EP1083302A3 (en) 2001-09-26
EP1083302B1 EP1083302B1 (en) 2004-10-27

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EP20000117905 Expired - Lifetime EP1083302B1 (en) 1999-09-11 2000-08-19 Electromagnetically actuated valve drive in an internal combustion engine

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US (1) US6328005B1 (en)
EP (1) EP1083302B1 (en)
DE (2) DE19943620A1 (en)
ES (1) ES2226674T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002188417A (en) * 2000-12-21 2002-07-05 Honda Motor Co Ltd Electromagnetic valve gear of an internal combustion engine
JP4110920B2 (en) * 2002-10-25 2008-07-02 トヨタ自動車株式会社 Electromagnetically driven valve device

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4779582A (en) * 1987-08-12 1988-10-25 General Motors Corporation Bistable electromechanical valve actuator
DE19531365A1 (en) * 1995-08-25 1997-02-27 Knorr Bremse Systeme Connecting rod for piston machines, in particular for compressors, and method for producing such a connecting rod
US5903204A (en) * 1997-04-11 1999-05-11 Fev Motorentechnik Gmbh & Co. Kg Electromagnetic actuator armature having eddy current-reducing means
DE19756095A1 (en) * 1997-12-17 1999-06-24 Daimler Chrysler Ag Device for operating actuators for electromagnetic valve control in internal combustion engines
DE19807181A1 (en) * 1998-02-20 1999-08-26 Bayerische Motoren Werke Ag Electromagnetic oscillating armature arrangement, esp. as an actuator for a gas changeover valve for engine or machine

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Publication number Priority date Publication date Assignee Title
US3853102A (en) * 1973-05-31 1974-12-10 L Harvill Magnetic valve train for combustion engines
JP3605478B2 (en) * 1996-08-21 2004-12-22 本田技研工業株式会社 Valve train for internal combustion engine
DE19838101A1 (en) * 1998-08-21 2000-02-24 Bayerische Motoren Werke Ag Electromagnetic actuator for actuating a gas exchange valve of an internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779582A (en) * 1987-08-12 1988-10-25 General Motors Corporation Bistable electromechanical valve actuator
DE19531365A1 (en) * 1995-08-25 1997-02-27 Knorr Bremse Systeme Connecting rod for piston machines, in particular for compressors, and method for producing such a connecting rod
US5903204A (en) * 1997-04-11 1999-05-11 Fev Motorentechnik Gmbh & Co. Kg Electromagnetic actuator armature having eddy current-reducing means
DE19756095A1 (en) * 1997-12-17 1999-06-24 Daimler Chrysler Ag Device for operating actuators for electromagnetic valve control in internal combustion engines
DE19807181A1 (en) * 1998-02-20 1999-08-26 Bayerische Motoren Werke Ag Electromagnetic oscillating armature arrangement, esp. as an actuator for a gas changeover valve for engine or machine

Also Published As

Publication number Publication date
EP1083302B1 (en) 2004-10-27
EP1083302A3 (en) 2001-09-26
DE50008398D1 (en) 2004-12-02
DE19943620A1 (en) 2001-03-15
US6328005B1 (en) 2001-12-11
ES2226674T3 (en) 2005-04-01

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