EP0513597A1 - Method of manufacturing a connector block - Google Patents

Method of manufacturing a connector block Download PDF

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Publication number
EP0513597A1
EP0513597A1 EP92107381A EP92107381A EP0513597A1 EP 0513597 A1 EP0513597 A1 EP 0513597A1 EP 92107381 A EP92107381 A EP 92107381A EP 92107381 A EP92107381 A EP 92107381A EP 0513597 A1 EP0513597 A1 EP 0513597A1
Authority
EP
European Patent Office
Prior art keywords
control bar
injection valves
control
conductive elements
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92107381A
Other languages
German (de)
French (fr)
Other versions
EP0513597B1 (en
Inventor
Heinz Blessing
Manfred Müller
Joachim Schraudolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of EP0513597A1 publication Critical patent/EP0513597A1/en
Application granted granted Critical
Publication of EP0513597B1 publication Critical patent/EP0513597B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus

Definitions

  • the invention relates to a control strip, in particular for injection valves of an internal combustion engine in plastic fuel lines.
  • the invention also relates to a method for producing the above-mentioned control strip according to the preamble of patent claim 2.
  • control strips are known, for example as a contact strip, which can control several injectors in the network only by two current-carrying cables, in German Offenlegungsschrift 39 14 487 that you have a lot of cables in the way of assembly and maintenance, which would be necessary for control, in the way.
  • control bar is designed according to the characterizing features of the patent claim.
  • a control bar 1 made of plastic which has both a fuel injector receptacle 2 as a multifunctional part and which, with the help of conductive elements 3, takes over the control of the fuel injectors mentioned, also serves as a protective cap for the fuel valves to be provided in any number, for example on a plastic fuel pipe , whereby seal 4 ensures high operational reliability of the electrical parts and prevents contamination and resulting leakage currents.
  • the control bar 1 which is manufactured in a compact plastic construction, enables one-hand operation with the help of the one connector bar 5 during maintenance and assembly and thus the replacement of the injection valves with the other hand.
  • the injectors are floating to ensure proper functioning.
  • the larger cross section of the conductive elements 3 guarantees lower voltage losses.
  • the conductive elements 3 are first provided with assembly aids 6.
  • the assembly aids 6 are removed again before the control bar 1 is finished.
  • the control bar 1 is equipped with a centering device 7 for one-hand assembly.
  • the electrical connection to the injector receptacle 2 is made in the application example via electrical contact pins 8, in connection with either flexible strands 10 or spring elements 11.
  • control bar 1 with all its functions represents only a single part.
  • the conductive elements 3 are electrically insulated by the plastic housing 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

A description is given of a control rail 1 which, in a compact manner, contains conducting elements 3 for controlling injection valves via a plug connector 5. <IMAGE>

Description

Die Erfindung betrifft eine Steuerleiste, insbesondere für Einspritzventile einer Brennkraftmaschine in Kraftstoffleitungen aus Kunststoff.The invention relates to a control strip, in particular for injection valves of an internal combustion engine in plastic fuel lines.

Außerdem betrifft die Erfindung ein Verfahren zur Herstellung der obengenannten Steuerleiste nach dem Oberbegriff des Patentanspruchs 2.The invention also relates to a method for producing the above-mentioned control strip according to the preamble of patent claim 2.

Derartige Steuerleisten sind bekannt, zum Beispiel als Kontaktleiste, die lediglich durch zwei stromführende Kabel mehrere Einspritzventile im Verbund steuern kann, in der deutschen Offenlegungsschrift 39 14 487. Will man derartige Kontaktleisten, zum Beispiel zur Einzelansteuerung von Einspritzdüsen mehrzylindriger Brennkraftmaschinen verwenden, so ist daran nachteilig, daß man sowohl bei der Montage als auch bei der Wartung sehr viele Kabel, die zur Ansteuerung notwendig wären, beschwerlich im Wege hat.Such control strips are known, for example as a contact strip, which can control several injectors in the network only by two current-carrying cables, in German Offenlegungsschrift 39 14 487 that you have a lot of cables in the way of assembly and maintenance, which would be necessary for control, in the way.

Man könnte nun einen umständlich zu handhabenden Kabelbaum vormontieren und von Hand verlegen. Dies ist aber einmal kostenaufwendig in der Herstellung; es würde die Kontaktleiste daher verteuern. Es wäre aber auch beim häufigeren Öffnen und Schließen, wie das bei der Wartung und Reparatur der Fall ist, unpraktisch.You could now pre-assemble a difficult-to-use cable harness and lay it by hand. However, this is costly to manufacture; it would be the contact bar therefore more expensive. However, it would also be impractical to open and close it more frequently, as is the case with maintenance and repair.

Es ist somit Aufgabe der Erfindung, eine Kontaktleiste der eingangs genannten Art dahingehend zu verbessern, daß die oben genannten Nachteile vermieden werden und eine Steuerleiste geschaffen wird, die einfacher und billiger ist, in Herstellung und Wartung, und im Vergleich einen zuverlässigen Einzelsteuerungsbetrieb gestattet.It is therefore an object of the invention to improve a contact strip of the type mentioned at the outset in such a way that the disadvantages mentioned above are avoided and a control strip is created which is simpler and cheaper to manufacture and maintain and which, in comparison, permits reliable individual control operation.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß die Steuerleiste nach den kennzeichnenden Merkmalen des Patentanspruchs ausgebildet ist.According to the invention this object is achieved in that the control bar is designed according to the characterizing features of the patent claim.

Ein besonders vorteilhaftes Verfahren zur Herstellung der Steuerleiste ist dadurch gekennzeichnet, daß es gemäß den kennzeichnenden Merkmalen des Patentanspruchs 2 ausgestaltet ist.A particularly advantageous method for producing the control strip is characterized in that it is designed in accordance with the characterizing features of patent claim 2.

Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.Advantageous developments of the invention result from the subclaims.

Ein Ausführungsbeispiel der Erfindung und ihrer vorteilhaften Weiterbildung wird im folgenden unter Bezugnahme auf die beigefügten Zeichnungen näher beschrieben. Es stellen dar:

Fig. 1
eine Seitenansicht eines Ausführungsbeispiels;
Fig. 2
einen Schnitt entlang der Linie II-II in Fig. 1,
Fig. 3
eine Draufsicht ähnlich Fig. 1
Fig. 4
Ausführungsbeispiel der Kontaktierung mittels Federelementen
Fig. 5
Ausführungsbeispiel der Kontaktierung mittels flexibler Litze.
An embodiment of the invention and its advantageous development is described in more detail below with reference to the accompanying drawings. They represent:
Fig. 1
a side view of an embodiment;
Fig. 2
2 shows a section along the line II-II in FIG. 1,
Fig. 3
2 shows a plan view similar to FIG. 1
Fig. 4
Embodiment of contacting by means of spring elements
Fig. 5
Embodiment of contacting using flexible wire.

Eine aus Kunststoff hergestellte Steuerleiste 1, die als multifunktionales Teil sowohl eine Einspritzventilaufnahme 2 besitzt, und die gleichzeitig mit Hilfe leitender Elemente 3, die Steuerung erwähnter Einspritzventile übernimmt, dient auch als Schutzkappe der in beliebiger Anzahl, zum Beispiel auf einem Kraftstoffrohr aus Kunststoff vorzusehenden Einspritzventile, wobei Dichtung 4 für hohe Betriebssicherheit der elektrischen Teile sorgt und Verschmutzung und resultierende Kriechströme verhindert.A control bar 1 made of plastic, which has both a fuel injector receptacle 2 as a multifunctional part and which, with the help of conductive elements 3, takes over the control of the fuel injectors mentioned, also serves as a protective cap for the fuel valves to be provided in any number, for example on a plastic fuel pipe , whereby seal 4 ensures high operational reliability of the electrical parts and prevents contamination and resulting leakage currents.

Die in Kunststoffkompaktbauweise gefertigte Steuerleiste 1 ermöglicht mit Hilfe der einen Steckerleiste 5 bei Wartung und Montage eine Einhandbedienung und somit das Auswechseln der Einspritzventile mit der anderen Hand.The control bar 1, which is manufactured in a compact plastic construction, enables one-hand operation with the help of the one connector bar 5 during maintenance and assembly and thus the replacement of the injection valves with the other hand.

Die Einspritzventile sind schwimmend gelagert, um eine einwandfreie Funktion zu gewährleisten. Der größere Querschnitt der leitenden Elemente 3 garantiert geringere Spannungsverluste.The injectors are floating to ensure proper functioning. The larger cross section of the conductive elements 3 guarantees lower voltage losses.

Zur einfacheren Herstellung der Steckerleiste 1 sind die leitenden Elemente 3 zunächst mit Montagehilfen 6 versehen. Die Montagehilfen 6 werden in diesem Anwendungsbeispiel vor der Fertigstellung der Steuerleiste 1 wieder entfernt.To simplify the manufacture of the connector strip 1, the conductive elements 3 are first provided with assembly aids 6. In this application example, the assembly aids 6 are removed again before the control bar 1 is finished.

Zur Einhandmontage ist die Steuerleiste 1 mit einer Zentriervorrichtung 7 ausgestattet. Die elektrische Verbindung zur Einspritzventilaufnahme 2 erfolgt im Anwendungsbeispiel über elektrische Kontaktzapfen 8, in Verbindung mit entweder flexiblen Litzen 10 oder Federelementen 11.The control bar 1 is equipped with a centering device 7 for one-hand assembly. The electrical connection to the injector receptacle 2 is made in the application example via electrical contact pins 8, in connection with either flexible strands 10 or spring elements 11.

Benötigte man früher eine Vielzahl von Einzelteilen, um die Ansteuerung der Ventile wie im Anwendungsbeispiel einzeln erfolgen zu lassen, so stellt Steuerleiste 1 mit all ihren Funktionen nur ein einziges Teil dar. Im Anwendungsbeispiel sind die leitenden Elemente 3 durch den Gehäusekunststoff 9 elektrisch isoliert.Previously, a large number of individual parts were required to control the valves individually, as in the application example to allow to take place, so control bar 1 with all its functions represents only a single part. In the application example, the conductive elements 3 are electrically insulated by the plastic housing 9.

BezugszeichenlisteReference symbol list

11
SteuerleisteControl bar
22nd
EinspritzventilaufnahmeInjector holder
33rd
leitende Elementeguiding elements
44th
Dichtungpoetry
55
SteckerleistePower strip
66
MontagehilfenAssembly aids
77
ZentriervorrichtungCentering device
88th
elektrische Kontaktzapfenelectrical contact pins
99
GehäusekunststoffPlastic housing
1010th
flexible Litzeflexible wire
1111
FederelementSpring element

Claims (14)

Steuerleiste (1), insbesondere für Einspritzventile einer Brennkraftmaschine in Kraftstoffleitungen aus Kunststoff, dadurch gekennzeichnet, daß die Steuerleiste in Kunststoffkompaktbauweise gefertigt ist, und wenigstens zwei leitende Elemente (3) enthält, insbesondere zur Steuerung von Einspritzventilen.Control bar (1), in particular for injection valves of an internal combustion engine in plastic fuel lines, characterized in that the control bar is made in a compact plastic construction and contains at least two conductive elements (3), in particular for controlling injection valves. Verfahren zur Herstellung einer Steuerleiste (1), insbesondere für Einspritzventile einer Brennkraftmaschine in Kraftstoffleitungen aus Kunststoff, dadurch gekennzeichnet, daß die Steuerleiste in Kunststoffkompaktbauweise gefertigt wird, und wenigstens zwei leitende Elemente (3) enthält, insbesondere zur Steuerung von Einspritzventilen.Method for producing a control strip (1), in particular for injection valves of an internal combustion engine in plastic fuel lines, characterized in that the control strip is manufactured in a compact plastic construction and contains at least two conductive elements (3), in particular for controlling injection valves. Steuerleiste (1) nach Anspruch 1 oder 2 dadurch gekennzeichnet, daß die Steuerleiste mit elektrischen Kontaktzapfen versehen ist, welche insbesondere zur elektrischen Verbindung mit den Einspritzventilen mit einer flexiblen Litze (10) oder mit starren Federelementen (11) verbunden sein können.Control bar (1) according to claim 1 or 2, characterized in that the control bar is provided with electrical contact pins, which can be connected in particular for the electrical connection to the injection valves with a flexible wire (10) or with rigid spring elements (11). Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die Einspritzventile in die Steuerleiste integriert sind.Control bar (1) according to one or more of the preceding claims, characterized in that the injection valves are integrated in the control bar. Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die Verbindung der Steuerleiste mit den in der Kraftstoffleitung integrierten Einspritzventilen eine Steckverbindung ist.Control bar (1) according to one or more of the preceding claims, characterized in that the connection of the control bar with the injection valves integrated in the fuel line is a plug connection. Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die leitenden Elemente Kabel sind.Control bar (1) according to one or more of the preceding claims, characterized in that the conductive elements are cables. Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die leitenden Elemente geätzte oder gedrucke oder gestanzte Elemente sind, welche insbesondere aus einem Halbzug gefertigt sein können.Control bar (1) according to one or more of the preceding claims, characterized in that the conductive elements are etched or printed or stamped elements, which in particular can be made from a half-pass. Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß sie insbesondere die Einspritzventile einzeln oder im Verbund ansteuert.Control bar (1) according to one or more of the preceding claims, characterized in that it controls in particular the injection valves individually or in combination. Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die leitenden Elemente mit Montagehilfen (6) versehen sind.Control bar (1) according to one or more of the preceding claims, characterized in that the conductive elements are provided with assembly aids (6). Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die Montagehilfen (6) entfernbar sind.Control bar (1) according to one or more of the preceding claims, characterized in that the assembly aids (6) can be removed. Steuerleiste (1) nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die leitenden Elemente oberflächlich behandelt und/oder gegeneinander elektrisch isoliert sind.Control strip (1) according to one or more of the preceding claims, characterized in that the conductive elements are treated superficially and / or are electrically insulated from one another. Steuerleiste nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die in der Steuerleiste integrierten Einspritzventile schwimmend oder dämpfend gelagert sind.Control bar according to one or more of the preceding claims, characterized in that the injection valves integrated in the control bar are floating or damping. Steuerleiste nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die leitenden Elemente zentral zu einer Steckerleiste (5) zusammenlaufen.Control strip according to one or more of the preceding claims, characterized in that the conductive elements converge centrally to form a plug strip (5). Steuerleiste nach einem oder mehreren der vorgenannten Ansprüche, dadurch gekennzeichnet, daß die Steckerleiste zur Unterstützung der Einhandmontage mit einer Zentriervorrichtung (7) versehen ist.Control strip according to one or more of the preceding claims, characterized in that the plug strip is provided with a centering device (7) to support the one-hand assembly.
EP92107381A 1991-05-17 1992-04-30 Method of manufacturing a connector block Expired - Lifetime EP0513597B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4116326 1991-05-17
DE4116326 1991-05-17
DE4124201 1991-07-20
DE4124201 1991-07-20

Publications (2)

Publication Number Publication Date
EP0513597A1 true EP0513597A1 (en) 1992-11-19
EP0513597B1 EP0513597B1 (en) 1995-10-25

Family

ID=25903737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92107381A Expired - Lifetime EP0513597B1 (en) 1991-05-17 1992-04-30 Method of manufacturing a connector block

Country Status (8)

Country Link
US (1) US5295468A (en)
EP (1) EP0513597B1 (en)
JP (1) JP2548486B2 (en)
AT (1) ATE129545T1 (en)
BR (1) BR9201906A (en)
CZ (1) CZ282839B6 (en)
DE (2) DE4206370A1 (en)
MX (1) MX9202261A (en)

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FR2708823A1 (en) * 1993-08-03 1995-02-10 Bosch Gmbh Robert Electrical connection device common to several electrical internal combustion engine devices.
EP0641932A1 (en) * 1993-09-02 1995-03-08 Siemens Automative L.P. Electrical circuitry of a fuel rail assembly
DE19734970A1 (en) * 1997-08-13 1999-02-18 Volkswagen Ag Component for a motor vehicle, preferably a cylinder head of an internal combustion engine

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JP2853541B2 (en) * 1993-11-17 1999-02-03 住友電装株式会社 Method for resin insert molding of metal member and connector block for injector of internal combustion engine
DE29522297U1 (en) * 1994-04-28 2001-08-09 Hitachi Ltd Electrical connection device on components for the control of a vehicle engine
US5568798A (en) * 1995-06-08 1996-10-29 Siemens Automotive Corporation Plastic fuel rail having integrated electrical wiring
US5531202A (en) * 1995-07-18 1996-07-02 Siemens Automotive Corporation Fuel rail assembly having internal electrical connectors
US5598824A (en) * 1996-04-15 1997-02-04 Ford Motor Company Fuel delivery system for an internal combustion engine
US5743235A (en) * 1996-11-22 1998-04-28 Lueder; Lawrence Arimidio Molded-in wiring for intake manifolds
DE19739502C1 (en) * 1997-09-09 1998-12-10 Siemens Ag Electrical connection unit e.g. for motor vehicles with fuel injected IC engines
US6053148A (en) * 1998-02-21 2000-04-25 Ford Motor Company Intake manifold for an internal combustion engine
US6564775B1 (en) * 1999-08-03 2003-05-20 Aisan Kogyo Kabushiki Kaisha Fuel delivery pipes
US6513491B1 (en) 1999-10-15 2003-02-04 Siemens Vdo Automotive Inc. Electronic throttle control linkage with limp home mechanism
US6494174B1 (en) 1999-10-29 2002-12-17 Siemens Vdo Automotive Inc. Wiring harness assembly for an intake manifold
US6308686B1 (en) 1999-11-18 2001-10-30 Siemens Canada Limited Intake manifold with internal fuel rail and injectors
US6418912B1 (en) 2000-12-18 2002-07-16 Siemens Automotive Corporation HPDI injector and packaging
US20020139344A1 (en) * 2001-04-02 2002-10-03 Yazaki Corporation Built-in engine type control apparatus
US6959695B2 (en) 2001-10-17 2005-11-01 Robert Bosch Corporation Multi-point fuel injection module
US7007674B2 (en) 2003-04-01 2006-03-07 Robert Bosch Corporation Fuel rail assembly
US20050051138A1 (en) * 2003-09-08 2005-03-10 Robert Bosch Corporation Intake manifold assembly
US6904895B1 (en) * 2004-02-10 2005-06-14 Eaton Corporation Electro-hydraulic manifold assembly and method of making same

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EP0278229A2 (en) * 1987-02-06 1988-08-17 Robert Bosch Gmbh Device for electrically contacting electromagnetically activated fuel injectors
EP0306739A2 (en) * 1987-09-11 1989-03-15 Robert Bosch Gmbh Device for mounting, supplying fuel to and electrically connecting electromagnetic fuel injectors together
US4950171A (en) * 1989-08-11 1990-08-21 Itt Corporation Fuel injector connector system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2708823A1 (en) * 1993-08-03 1995-02-10 Bosch Gmbh Robert Electrical connection device common to several electrical internal combustion engine devices.
EP0641932A1 (en) * 1993-09-02 1995-03-08 Siemens Automative L.P. Electrical circuitry of a fuel rail assembly
DE19734970A1 (en) * 1997-08-13 1999-02-18 Volkswagen Ag Component for a motor vehicle, preferably a cylinder head of an internal combustion engine

Also Published As

Publication number Publication date
CZ144892A3 (en) 1993-05-12
DE59204096D1 (en) 1995-11-30
DE4206370A1 (en) 1992-11-19
CZ282839B6 (en) 1997-10-15
ATE129545T1 (en) 1995-11-15
MX9202261A (en) 1993-08-01
EP0513597B1 (en) 1995-10-25
JP2548486B2 (en) 1996-10-30
JPH05172016A (en) 1993-07-09
BR9201906A (en) 1993-01-05
US5295468A (en) 1994-03-22

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