EP1281915B1 - Method for connecting a rod-shaped heating body with a tubular support and glow plug obtained by this method - Google Patents

Method for connecting a rod-shaped heating body with a tubular support and glow plug obtained by this method Download PDF

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Publication number
EP1281915B1
EP1281915B1 EP02013626A EP02013626A EP1281915B1 EP 1281915 B1 EP1281915 B1 EP 1281915B1 EP 02013626 A EP02013626 A EP 02013626A EP 02013626 A EP02013626 A EP 02013626A EP 1281915 B1 EP1281915 B1 EP 1281915B1
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EP
European Patent Office
Prior art keywords
carrier ring
carrier
ring
glow plug
tubular
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
Application number
EP02013626A
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German (de)
French (fr)
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EP1281915A1 (en
Inventor
Martin Eller
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BorgWarner Ludwigsburg GmbH
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Beru AG
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Publication of EP1281915A1 publication Critical patent/EP1281915A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/001—Glowing plugs for internal-combustion engines
    • F23Q2007/004—Manufacturing or assembling methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type

Definitions

  • the invention relates to a method of connection a rod-shaped heating element with a tubular support element and rod glow plugs with such a rod-shaped Heating element in a tubular glow plug body.
  • rod-shaped heating elements known in tubular Carrier elements are stored; one of the best known Examples are glow plugs in which a rod-shaped Glow pin stored in a tubular glow plug body is (see eg EP 0 843 130 A)
  • the glow plug is pressed into the glow plug body; only materials such as these can be used the sufficient ductility and dimensional stability for have such a pressing process.
  • grooves can be created during pressing the leakage between glow plug and glow plug body to lead.
  • the invention is based on the object, methods for Connecting a rod-shaped heating element with a tubular To provide carrier element, in which the associated with the disadvantages described pressing the Heating element is dispensable in the carrier element; simultaneously This procedure is not intended by a particular Component length to avoid the kinking of such Be dependent component; but in particular should also ceramic rod-shaped heating elements with metallic support elements can be easily connected, the described Scoring should not occur
  • this object is achieved by the method according to claim 1 or the glow plug according to claim 5 dissolved; yield further advantageous embodiments of the invention from the following claims 2 to 4 and 6 to 8.
  • Essential feature of the invention is the transformation the rod-shaped heating element with a support ring by Magnetumformtechnik, this technique, for example under the term “MagnetoPuls” of the company Magnet-Physik Dr. Steingroever GmbH, Cologne, Germany becomes.
  • Figure 1 shows a side view schematically a glow plug 1 made of electrically conductive ceramic, on the means Magnet forming a support ring 2 is formed, wherein the Material of the carrier ring 2 electrically conductive and means Magnet forming is deformable.
  • Way leads a terminal 5 as a positive pole in the glow plug 1 inside.
  • the arrangement of Figure 1 in a Glow plug body 3 introduced may be that the Einpreß- or insertion force for introduction the arrangement in the glow plug body 3 on the support ring. 2 is brought to action, so that the risk of Einknikkens of the glow plug 1 with terminal 5 does not occur at all can, and being quite thin glow pins 1, and as in the present case, of material that is easier to damage, how ceramics can be used.
  • this embodiment which is referred to as a single pole, serves the glow plug body 3 as mass or negative pole.
  • the glow plug body 3 is preferably applied to the carrier ring Formed by 2 Magnetumformtechnik, as it is in each described somewhat later in Figures 4 and 5 becomes.
  • FIG. 3 shows the arrangement glow plug 1, carrier ring 4 and terminal 5 of another glow plug according to the invention.
  • a glow plug 1 made of ceramic used in the connection side protrudes an inner pole 5, and the connection side extended with a contact sleeve 6 is.
  • the support ring 4 is indeed again from a material using magnetic forming technology is deformable; its surfaces, at least the, the outward, however, are insulating, for example coated with an insulating ceramic layer, educated.
  • the carrier ring 4 by means of magnetic forming applied to the glow plug 1; in the same Way is the contact sleeve 6 to the connection side Glühmannend Scheme formed.
  • the glow plug 1 may also be made of steel, where he then by means of applied ceramic layer is electrically isolated.
  • the contact sleeve 6 has a same outer diameter as the support ring 4 has, is their outward facing Surface also formed isolated, for example provided with an insulating ceramic coating.
  • the outer diameter of the carrier ring is preferred 4 larger than the outer diameter of the contact sleeve 6, so that the body 3 does not contact the sleeve 6.
  • the carrier ring 4 consists of a copper or Aluminum alloy, wherein the ring 4 with an anodized layer or a lacquer layer is isolated.
  • Figure 3 The arrangement of Figure 3 is according to Figure 4 in a Glow plug body 3 introduced; this happens this again preferably by means of magnetic forming technology, wherein the Arrangement according to Figure 3 in the glow plug body 3 in the space provided Position is positioned; in the area of the carrier ring 4, a transfer ring 7 is arranged around the body 3, over which the magnet forming takes place.
  • the glow plug body 3 after removal the transmission ring 7 a cylindrical constriction 8, which over the inner support ring. 4 under firm connection of the arrangement of Figure 3 in the glow plug body 3 is formed.
  • the contact sleeve 6, the the glow plug body 3 protrudes, is as a minus contact terminal formed while the glow plug housing 3 potential-free is.
  • contact sleeve 6 and carrier and transfer ring exist 2, 4 and 7 made of copper, aluminum or light metal alloys.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The connection method has a cylindrical carrier ring (4) of an electrically-conductive material fitted to the rod-shaped heating element (1) via a magnetic forming technique, before attaching the tubular carrier element (3) to the carrier ring. An Independent claim for a glow plug with a rod-shaped heating element and a tubular housing is also included.

Description

Die Erfindung betrifft ein Verfahren zur Verbindung eines stabförmigen Heizelements mit einem rohrförmigen Trägerelement sowie Stabglühkerzen mit einem solchen stabförmigen Heizelement in einem rohrförmigen Glühkerzenkörper.The invention relates to a method of connection a rod-shaped heating element with a tubular support element and rod glow plugs with such a rod-shaped Heating element in a tubular glow plug body.

Es sind stabförmige Heizelemente bekannt, die in rohrförmigen Trägerelementen gelagert sind; eines der bekanntesten Beispiele sind Glühkerzen, bei denen ein stabförmiger Glühstift in einem rohrförmigen Glühkerzenkörper gelagert ist (siehe z. B. EP 0 843 130 A)There are rod-shaped heating elements known in tubular Carrier elements are stored; one of the best known Examples are glow plugs in which a rod-shaped Glow pin stored in a tubular glow plug body is (see eg EP 0 843 130 A)

. Zur Verbindung von Glühstift und Glühkerzenkörper wird beispielsweise der Glühstift in den Glühkerzenkörper eingepreßt; hierbei können nur solche Materialien verwendet werden, die genügend Verformbarkeit und Formfestigkeit für einen solchen Einpreßvorgang aufweisen., To connect the glow plug and glow plug body is For example, the glow plug is pressed into the glow plug body; only materials such as these can be used the sufficient ductility and dimensional stability for have such a pressing process.

Beim Einpressen dürfen auch gewisse Bauteillängen, insbesondere des Glühstifts, nicht überschritten werden, um ein Einknicken dieses Bauteils während des Einpreßvorganges zu vermeiden.When pressing in, certain component lengths, especially the glow plug, do not exceed to a buckling of this component during the pressing process to avoid.

Darüberhinaus können beim Einpressen Riefen entstehen, die zur Undichtigkeit zwischen Glühstift und Glühkerzenkörper führen.In addition, grooves can be created during pressing the leakage between glow plug and glow plug body to lead.

Der Erfindung liegt die Aufgabe zugrunde, Verfahren zum Verbinden eines stabförmigen Heizelements mit einem rohrförmigen Trägerelement zur Verfügung zu stellen, bei dem das mit den geschilderten Nachteilen verbundene Einpressen des Heizelementes in das Trägerelement entbehrlich ist; gleichzeitig soll dieses Verfahren nicht von einer bestimmten Bauteillänge zur Vermeidung des Abknickens eines solchen Bauteils abhängig sein; insbesondere sollen aber auch keramische stabförmige Heizelemente mit metallischen Trägerelementen leicht verbunden werden können, wobei die geschilderte Riefenbildung nicht auftreten sollThe invention is based on the object, methods for Connecting a rod-shaped heating element with a tubular To provide carrier element, in which the associated with the disadvantages described pressing the Heating element is dispensable in the carrier element; simultaneously This procedure is not intended by a particular Component length to avoid the kinking of such Be dependent component; but in particular should also ceramic rod-shaped heating elements with metallic support elements can be easily connected, the described Scoring should not occur

. Erfindungsgemäß wird diese Aufgabe durch das Verfahren nach Anspruch 1 bzw. die Glühkerze nach Anspruch 5 gelöst; weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den nachfolgenden Ansprüchen 2 bis 4 und 6 bis 8., According to the invention, this object is achieved by the method according to claim 1 or the glow plug according to claim 5 dissolved; yield further advantageous embodiments of the invention from the following claims 2 to 4 and 6 to 8.

Wesentliches erfindungsgemäßes Merkmal ist die Umformung des stabförmigen Heizelements mit einem Trägerring mittels Magnetumformtechnik, wobei diese Technik beispielsweise unter dem Begriff "MagnetoPuls" der Firma Magnet-Physik Dr. Steingroever GmbH, Köln, Deutschland, angeboten wird.Essential feature of the invention is the transformation the rod-shaped heating element with a support ring by Magnetumformtechnik, this technique, for example under the term "MagnetoPuls" of the company Magnet-Physik Dr. Steingroever GmbH, Cologne, Germany becomes.

Die Erfindung wird am bevorzugten Beispiel einer Glühkerze mit stabförmigen Heizelement und rohrförmigen Trägerelement gemäß der folgenden Figuren näher erläutert; hierbei zeigen

  • Figur 1 in schematischer Ansicht einen Glühstift 1 mit einem zylinderförmigen Trägerring 2 und einem Anschlußpol 5;
  • Figur 2 den mit Trägerring 2 und Anschlußpol 5 versehenen Glühstift 1, eingebaut in ein Glühkerzengehäuse 3;
  • Figur 3 einen Glühstift 1 mit zylinderförmigem Trägerring 4 und Kontakthülse 6 sowie Anschlußpol 5;
  • Figur 4 den Glühstift 1 mit Trägerring 4, Kontakthülse 6 und Anschlußpol 5 gemäß Figur 3 in einem Glühkerzenkörper 3 mit außen anliegendem Übertragungsring 7; und
  • Figur 5 eine Ausführungsform einer erfindungsgemäßen Glühkerze nach Figuren 3 und 4 mit entferntem Übertragungsring 7 und der abdichtenden und fixierenden zylinderförmigen Einschnürung 8 des Glühkerzenkörpers 3.
    • The invention will be explained in more detail on the preferred example of a glow plug with rod-shaped heating element and tubular support member according to the following figures; show here
  • Figure 1 is a schematic view of a glow plug 1 with a cylindrical support ring 2 and a terminal pole 5;
  • FIG. 2 shows glow pin 1 provided with carrier ring 2 and connecting pole 5, installed in a glow plug housing 3;
  • Figure 3 shows a glow plug 1 with a cylindrical support ring 4 and contact sleeve 6 and terminal 5 pole;
  • Figure 4 shows the glow plug 1 with support ring 4, contact sleeve 6 and pole 5 according to Figure 3 in a glow plug body 3 with externally applied transmission ring 7; and
  • 5 shows an embodiment of a glow plug according to the invention according to FIGS. 3 and 4 with the transmission ring 7 removed and the sealing and fixing cylindrical constriction 8 of the glow plug body 3.

    • Figur 1 zeigt in Seitenansicht schematisch einen Glühstift 1 aus elektrisch leitender Keramik, auf den mittels Magnetumformtechnik ein Trägerring 2 geformt ist, wobei das Material des Trägerrings 2 elektrisch leitend und mittels Magnetumformtechnik verformbar ist. In ansich bekannter Weise führt ein Anschlußpol 5 als Plus-Pol in den Glühstift 1 hinein.Figure 1 shows a side view schematically a glow plug 1 made of electrically conductive ceramic, on the means Magnet forming a support ring 2 is formed, wherein the Material of the carrier ring 2 electrically conductive and means Magnet forming is deformable. In a known way Way leads a terminal 5 as a positive pole in the glow plug 1 inside.

    Gemäß Figur 2 wird die Anordnung gemäß Figur 1 in einen Glühkerzenkörper 3 eingebracht, wobei dieses derart erfolgen kann, daßdie Einpreß- oder Einbringkraft zur Einbringung der Anordnung in den Glühkerzenkörper 3 auf den Trägerring 2 zur Einwirkung gebracht wird, so daß die Gefahr des Einknikkens des Glühstiftes 1 mit Anschlußpol 5 gar nicht auftreten kann, und wobei auch recht dünne Glühstifte 1, und wie im vorliegenden Fall, aus leichter zu beschädigendem Material, wie Keramik verwendet werden können. Bei dieser Ausführungsform, die als einpolig bezeichnet wird, dient der Glühkerzenkörper 3 als Masse oder Minuspol.According to Figure 2, the arrangement of Figure 1 in a Glow plug body 3 introduced, this being done so may be that the Einpreß- or insertion force for introduction the arrangement in the glow plug body 3 on the support ring. 2 is brought to action, so that the risk of Einknikkens of the glow plug 1 with terminal 5 does not occur at all can, and being quite thin glow pins 1, and as in the present case, of material that is easier to damage, how ceramics can be used. In this embodiment, which is referred to as a single pole, serves the glow plug body 3 as mass or negative pole.

    Bevorzugt wird der Glühkerzenkörper 3 auf den Trägerring 2 mittels Magnetumformtechnik aufgeformt, wie es im einzelnen etwas später bei den Figuren 4 und 5 beschrieben wird.The glow plug body 3 is preferably applied to the carrier ring Formed by 2 Magnetumformtechnik, as it is in each described somewhat later in Figures 4 and 5 becomes.

    Es ist auch denkbar, bei dieser Ausführungsform anstelle eines Glühstifts aus Keramik einen solchen aus leitfähigem Metall zu verwenden, der aufgrund der erfindungsgemäßen Verfahrensweise nicht die Dicke und Stabilität üblicher Glühstift aufweisen muß; vielmehr erlaubt das erfindungsgemäße Verfahren die Herstellung und Verbindung von sehr dünnwandigen Glühstiften und Glühstiftgehäusen oder -körpern.It is also conceivable to use in this embodiment of a ceramic glow plug one of conductive To use metal, due to the invention Procedures not the thickness and stability usual Must have glow plug; rather, the invention allows Process the production and connection of a lot thin-walled glow plugs and glow plug housings or bodies.

    Figur 3 zeigt die Anordnung Glühstift 1, Trägerring 4 und Anschlußpol 5 einer anderen erfindungsgemäßen Glühkerzenform. Hierbei wird wiederum ein Glühstift 1 aus Keramik verwendet, in den anschlußseitig ein Innenpol 5 hineinragt, und der anschlußseitig mit einer Kontakthülse 6 verlängert ist.FIG. 3 shows the arrangement glow plug 1, carrier ring 4 and terminal 5 of another glow plug according to the invention. Here again a glow plug 1 made of ceramic used, in the connection side protrudes an inner pole 5, and the connection side extended with a contact sleeve 6 is.

    Bei dieser Ausführungsform ist der Trägerring 4 zwar auch wieder aus einem Material, das mittels Magnetumformtechnik verformbar ist; seine Oberflächen, zumindest die, die nach außen weisen, sind jedoch isolierend, beispielsweise mit einer isolierenden Keramikschicht beschichtet, ausgebildet. Im übrigen ist der Trägerring 4 mittels Magnetumformtechnik auf den Glühstift 1 aufgebracht; in gleicher Weise ist die Kontakthülse 6 um den anschlußseitigen Glühstiftendbereich angeformt.In this embodiment, the support ring 4 is indeed again from a material using magnetic forming technology is deformable; its surfaces, at least the, the outward, however, are insulating, for example coated with an insulating ceramic layer, educated. Moreover, the carrier ring 4 by means of magnetic forming applied to the glow plug 1; in the same Way is the contact sleeve 6 to the connection side Glühstiftendbereich formed.

    Alternativ kann der Glühstift 1 auch aus Stahl bestehen, wobei er dann mittels aufgebrachter Keramikschicht elektrisch isoliert ist.Alternatively, the glow plug 1 may also be made of steel, where he then by means of applied ceramic layer is electrically isolated.

    Wenn die Kontakthülse 6 einen gleichen äußeren Durchmesser wie der Trägerring 4 aufweist, ist ihre nach außenweisende Oberfläche ebenfalls isoliert ausgebildet, beispielsweise mit einer isolierenden Keramikbeschichtung versehen. Bevorzugt jedoch ist der äußere Durchmesser des Trägerrings 4 größer als der äußere Durchmesser der Kontakthülse 6, so daß der Körper 3 die Hülse 6 nicht kontaktiert.When the contact sleeve 6 has a same outer diameter as the support ring 4 has, is their outward facing Surface also formed isolated, for example provided with an insulating ceramic coating. However, the outer diameter of the carrier ring is preferred 4 larger than the outer diameter of the contact sleeve 6, so that the body 3 does not contact the sleeve 6.

    Bevorzugt besteht der Trägerring 4 aus einer Kupferoder Aluminiumlegierung, wobei der Ring 4 mit einer Eloxalschicht oder einer Lackschicht isoliert ist.Preferably, the carrier ring 4 consists of a copper or Aluminum alloy, wherein the ring 4 with an anodized layer or a lacquer layer is isolated.

    Die Anordnung gemäß Figur 3 wird gemäß Figur 4 in einen Glühkerzenkörper 3 eingebracht; hierbei geschieht dieses wiederum bevorzugt mittels Magnetumformtechnik, wobei die Anordnung gemäß Figur 3 im Glühkerzenkörper 3 in der vorgesehenen Stellung positioniert wird; im Bereich des Trägerrings 4 wird um den Körper 3 ein Übertragungsring 7 angeordnet, über den das Magnetumformen erfolgt.The arrangement of Figure 3 is according to Figure 4 in a Glow plug body 3 introduced; this happens this again preferably by means of magnetic forming technology, wherein the Arrangement according to Figure 3 in the glow plug body 3 in the space provided Position is positioned; in the area of the carrier ring 4, a transfer ring 7 is arranged around the body 3, over which the magnet forming takes place.

    Gemäß Figur 5 weist der Glühkerzenkörper 3 nach Entfernung des Übertragungsringes 7 eine zylinderförmige Einschnürung 8 auf, die über dem innenliegenden Trägerring 4 unter fester Verbindung der Anordnung aus Figur 3 im Glühkerzenkörper 3 ausgebildet ist. Die Kontakthülse 6, die aus dem Glühkerzenkörper 3 herausragt, ist als Minus-Kontaktanschluß ausgebildet, während das Glühkerzengehäuse 3 potentialfrei ist.According to Figure 5, the glow plug body 3 after removal the transmission ring 7 a cylindrical constriction 8, which over the inner support ring. 4 under firm connection of the arrangement of Figure 3 in the glow plug body 3 is formed. The contact sleeve 6, the the glow plug body 3 protrudes, is as a minus contact terminal formed while the glow plug housing 3 potential-free is.

    Bevorzugt bestehen Kontakthülse 6 und Träger- und Übertragungsring 2, 4 bzw. 7 aus Kupfer, Aluminium oder Leichtmetall-Legierungen.Preferably contact sleeve 6 and carrier and transfer ring exist 2, 4 and 7 made of copper, aluminum or light metal alloys.

    Claims (8)

    1. Method for connecting a rod shaped heating element with a tubular carrier element wherein one applies a cylindrical carrier ring (2, 4) to the rod shaped heating element (1) by the use of magnetic shaping technology, and securely positions the tubular carrier element (3) on the carrier ring (2) in abutment therewith.
    2. Method according to claim 1, characterised in that one applies a carrier ring (2) of electrically conducting material, which can be shaped by the use of magnetic shaping technology, onto the rod shaped heating element (1) of electrically conducting ceramics, the tubular carrier element (3) consisting of electrically conducting material.
    3. Method according to claim 1 or 2, characterised in that one surrounds the tubular carrier element (3) in the region of the carrier ring (2) with an outer transfer ring (7), and that, by the use of magnetic shaping technology, one shapes the carrier ring (2) in the said region with the tubular carrier element (3) and then removes the transfer ring (7).
    4. Method according to claim 1, characterised in that one employs a carrier ring (4) whose surfaces have been made to be insulated, for example by the provision of an insulating coating, and that one shapes a contact sleeve (6) of conductive material, at the connection side, around the rod shaped heating element (1) of electrically conducting ceramics, preferably likewise by the use of magnetic shaping technology, the outer diameter of the insulated carrier ring (4) being greater than that of the contact sleeve (6).
    5. Method according to claim 4, characterised in that one surrounds the tubular carrier element (3) in the region of the carrier ring (2) with an outer transfer ring (7), and that, by the use of magnetic shaping technology, one shapes the carrier ring (2) in the said region with the tubular carrier element (3), and then removes the transfer ring (7).
    6. Glow plug having a rod shaped heating element and a tubular housing wherein there is applied to a glow pencil (1) of conductive ceramics, using magnetic shaping technology, an electrically conducting carrier ring (2) upon which the glow plug housing (3) is supported.
    7. Glow plug according to claim 6, characterised in that the carrier ring (2) is shaped with the housing (3) using magnetic shaping technology.
    8. Glow plug having a rod shaped heating element (1) and a tubular housing (3), wherein a glow pencil (1) of electrically conducting ceramics, is extended in the direction of the connection side by a contact sleeve (6) of conductive material, the contact sleeve (6) being preferably connected, using magnetic shaping technology, with the end region of the glow pencil (1) at the connection side; and having a cylindrical carrier ring (4) consisting of a material that can be shaped using magnetic shaping technology and whose outer surfaces have been made to be electrically insulating, the outer diameter of the carrier ring (4) being greater than that of the contact sleeve (6), and the carrier ring (4) being shaped around the ceramics glow pencil (1) using magnetic shaping technology; and the housing (3) being applied to the carrier ring (4) and surrounding the contact sleeve (6) contact free or insulated with respect thereto, the shaping of the carrier ring (4) with the housing (3) being effected preferably by magnetic shaping technology.
    EP02013626A 2001-07-30 2002-06-19 Method for connecting a rod-shaped heating body with a tubular support and glow plug obtained by this method Expired - Lifetime EP1281915B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10136596 2001-07-30
    DE10136596A DE10136596B4 (en) 2001-07-30 2001-07-30 A method for connecting a rod-shaped heating element with a tubular housing of a glow plug and glow plug produced by this method

    Publications (2)

    Publication Number Publication Date
    EP1281915A1 EP1281915A1 (en) 2003-02-05
    EP1281915B1 true EP1281915B1 (en) 2005-01-12

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    US (2) US6734400B2 (en)
    EP (1) EP1281915B1 (en)
    JP (1) JP4515693B2 (en)
    KR (1) KR100770789B1 (en)
    AT (1) ATE287067T1 (en)
    DE (2) DE10136596B4 (en)
    ES (1) ES2231614T3 (en)

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    KR200467518Y1 (en) * 2012-03-30 2013-06-21 주식회사 거동기업 Protector for Hot to Cold Section of MI Heating Cable
    WO2014032722A1 (en) 2012-08-30 2014-03-06 Quantum Technologie Gmbh Electrical heating element

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    Also Published As

    Publication number Publication date
    DE10136596A1 (en) 2003-02-27
    JP2003145229A (en) 2003-05-20
    EP1281915A1 (en) 2003-02-05
    ES2231614T3 (en) 2005-05-16
    KR100770789B1 (en) 2007-10-26
    US6734400B2 (en) 2004-05-11
    US20030034339A1 (en) 2003-02-20
    DE10136596B4 (en) 2005-09-15
    US7335857B2 (en) 2008-02-26
    JP4515693B2 (en) 2010-08-04
    DE50201983D1 (en) 2005-02-17
    ATE287067T1 (en) 2005-01-15
    US20040173596A1 (en) 2004-09-09
    KR20030011624A (en) 2003-02-11

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