EP1083302B1 - Electromagnetically actuated valve drive in an internal combustion engine - Google Patents
Electromagnetically actuated valve drive in an internal combustion engine Download PDFInfo
- Publication number
- EP1083302B1 EP1083302B1 EP20000117905 EP00117905A EP1083302B1 EP 1083302 B1 EP1083302 B1 EP 1083302B1 EP 20000117905 EP20000117905 EP 20000117905 EP 00117905 A EP00117905 A EP 00117905A EP 1083302 B1 EP1083302 B1 EP 1083302B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- armature
- support carriers
- strip
- cylinder head
- 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
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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
- 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 supporting device that 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 braced against each other 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 into two at 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.
- the arrangement according to the invention can be used in the cylinder head given space can be used to select large switching magnets.
- 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, in one piece as a frame-like housing 7 with cross members 8 and 9 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 the purpose of heat dissipation in a flat system, the coil cores 14 being unprocessed poured into the housing 7 or processed and used subsequently 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 a plurality of gas exchange valves 3 of a cylinder Inlet and outlet valves 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 'in Figure 3 can be seen.
- 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 cross member 8 arranged extensions 22 with relative small contact surfaces in heat-conducting 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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
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 Stützträgem gebildet ist, und die Stützträger quer zur Hubrichtung des Ankers zwischen den Quertraversen geteilt und für eine maschinenseitige 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 supporting device that 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 braced against each other 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 as well as the opening spring receiving two-piece housing Common solenoid to control the 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 into two at 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 Montageaufwand aufweist. Weiter kann mit der erfindungsgemäßen Anordnung der im Zylinderkopf gegebene Bauraum zur Wahl großflächiger Schaltmagnete genutzt werden.With the invention, one can advantageously 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, the arrangement according to the invention can be used 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.
- 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 Stützträgem 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
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
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 Stützträgem 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
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
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
Stützträgem 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 'over the
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-
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-
Claims (6)
- A device with an electromagnetic actuator for actuating a gas exchange valve of an internal-combustion engine,comprising solenoids (5, 6) provided on either side of a lift oscillating drivable armature (4) in a multi-component support device which is used for arrangement on the engine side, whichis formed as a frame-like housing (7) with spaced support carriers (10) integrally connected via cross bars (8, 9), whereinthe support carriers (10) are arranged divided between the cross bars (8, 9) transverse to the stroke direction of the armature (4) and secured relative to one another for arrangement of an actuator (2) on the engine side and braced against one another via fixing means (11),
characterised in thatactuators (2) for substantially aligned gas exchange valves (3) of cylinders of the internal-combustion engine arranged in a row are arranged in a common housing (7) designed in the manner of a strip, andthe housing (7) is divided into two approximately at the level of the resting armature (4) by means of notched separation of the support carriers (10), whereinfor substantially simultaneous notched separation, the support carriers (10) have openings (13) arranged approximately centred transverse to the armature stroke direction (arrow "A") between notched indentations (12), which openingsintersect fixing means (11), which can be arranged substantially parallel to the armature stroke direction (arrow "A"). - A device according to claim 1, characterised in thatthe housing (7) designed in the manner of a strip is cast from a particulate light metal alloy, andin that coil cores (14) formed from core sheets, of the solenoids (5, 6) are in respective plane contact with the support carriers (10) and/or with sections of the cross bars (8, 9), whereinthe coil cores (14) are cast in an untreated state into the housing (7) or subsequently inserted in a treated state and arranged integrally joined or with non-positive/interlocking fit.
- A device according to claim 2, characterised in thata plurality of coil cores (14) corresponding to a plurality of gas exchange valves (3) of a cylinder are arranged in a housing section (7') between two adjacent support carriers (10), whereinthe coil cores (14) have duct-like recesses (15) which are open at both ends for receiving magnet coils (16) extending in sections outside the coil cores (14).
- A device according to claim 3, characterised in thata plurality of armatures (4) guided in a housing section (7') via push rods (18) traversing the cross bars (8, 9) with a lifting movement are correspondingly adapted to the magnet coils (16) of substantially rectangular design, andin that the armatures (4) are secured against rotation on the end face and/or longitudinally by means of sliding face elements (19, 20) which can be arranged on the support carriers (10).
- A device according to claims 1 to 4, characterised in thatthe housing (7) designed in the manner of a strip is in heat conductive connection with cooled support faces in/on the cylinder head (23) via extensions (22) with relatively small contact faces arranged on the cross bar (8) on the cylinder head side, whereinthe two-part housing (7) is fastened in/on the cylinder head (23) via continuous fixing means (11).
- A device according to any one of claims 1 to 5, characterised in thata harness module (24) for the actuators (2) comprising power and control lines is arranged on the strip-like housing (7), whereinthe harness module (24) is guided to the outside via a wall opening in the cylinder head (23).
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)
Publication Number | Publication Date |
---|---|
EP1083302A2 EP1083302A2 (en) | 2001-03-14 |
EP1083302A3 EP1083302A3 (en) | 2001-09-26 |
EP1083302B1 true EP1083302B1 (en) | 2004-10-27 |
Family
ID=7921711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000117905 Expired - Lifetime EP1083302B1 (en) | 1999-09-11 | 2000-08-19 | Electromagnetically actuated valve drive in an internal combustion engine |
Country Status (4)
Country | Link |
---|---|
US (1) | US6328005B1 (en) |
EP (1) | EP1083302B1 (en) |
DE (2) | DE19943620A1 (en) |
ES (1) | ES2226674T3 (en) |
Families Citing this family (2)
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 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853102A (en) * | 1973-05-31 | 1974-12-10 | L Harvill | Magnetic valve train for combustion engines |
US4779582A (en) * | 1987-08-12 | 1988-10-25 | General Motors Corporation | Bistable electromechanical valve actuator |
DE19531365C2 (en) * | 1995-08-25 | 1998-11-05 | Knorr Bremse Systeme | Method of manufacturing a connecting rod, especially for compressors |
JP3605478B2 (en) * | 1996-08-21 | 2004-12-22 | 本田技研工業株式会社 | Valve train for internal combustion engine |
DE29706491U1 (en) * | 1997-04-11 | 1998-08-06 | Fev Motorentech Gmbh & Co Kg | Electromagnetic actuator with low eddy current armature |
DE19756095C2 (en) * | 1997-12-17 | 2001-11-22 | Telefunken Microelectron | 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 |
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 |
-
1999
- 1999-09-11 DE DE19943620A patent/DE19943620A1/en not_active Withdrawn
-
2000
- 2000-08-19 ES ES00117905T patent/ES2226674T3/en not_active Expired - Lifetime
- 2000-08-19 DE DE50008398T patent/DE50008398D1/en not_active Expired - Fee Related
- 2000-08-19 EP EP20000117905 patent/EP1083302B1/en not_active Expired - Lifetime
- 2000-09-11 US US09/657,657 patent/US6328005B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
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 |
EP1083302A2 (en) | 2001-03-14 |
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