EP1267125A2 - Bougie à tige incandescente et procédé de fabrication - Google Patents

Bougie à tige incandescente et procédé de fabrication Download PDF

Info

Publication number
EP1267125A2
EP1267125A2 EP02004894A EP02004894A EP1267125A2 EP 1267125 A2 EP1267125 A2 EP 1267125A2 EP 02004894 A EP02004894 A EP 02004894A EP 02004894 A EP02004894 A EP 02004894A EP 1267125 A2 EP1267125 A2 EP 1267125A2
Authority
EP
European Patent Office
Prior art keywords
connection
glow plug
contact tube
heating element
glow
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
EP02004894A
Other languages
German (de)
English (en)
Other versions
EP1267125A3 (fr
EP1267125B1 (fr
Inventor
Michael Haussner
Helmut Buck
Hans-Peter Kasimirski
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.)
BorgWarner Ludwigsburg GmbH
Original Assignee
Beru AG
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 Beru AG filed Critical Beru AG
Publication of EP1267125A2 publication Critical patent/EP1267125A2/fr
Publication of EP1267125A3 publication Critical patent/EP1267125A3/fr
Application granted granted Critical
Publication of EP1267125B1 publication Critical patent/EP1267125B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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

Definitions

  • the invention relates to a glow plug according to the preamble of claim 1 and a method of manufacture this glow plug according to the preamble of claim 3.
  • the heating elements must be insulated Glow plug body must be installed.
  • the Glow plug body consists of two separate components arranged coaxially one inside the other and for example by melting glass are fixed electrically isolated from each other. The inner part serves as the outer pole of the heating element.
  • the object of the invention is bypassing the from Disadvantages known in the art include a generic one Glow plug available and manufacture that on at known conventional manufacturing devices for glow plugs can be manufactured; it should also be possible be to provide smaller glow plugs, like Secure contacting, for example using a coaxial connector with good mechanical stability of the glow plug and the To ensure contact connections.
  • a heating element 9 according to the invention has a glow tube 3 in which a heating element 1, preferably in the form of a heating coil, if necessary in connection with a control coil, which, embedded in insulating material 8 from the walls of the Glow tube 3 is insulated, is arranged.
  • the combustion chamber side The end of the coil 1 is with the tip of the glow tube 3 connected by contact.
  • the connection end of the helix 1 is with the inner pole 2, which from the Heating rod is led out, connected.
  • the length of the glow tube 3 usually only corresponds about a third to a half of the total length of the Glow plug.
  • connection-side end region of the glow tube 3 is insulated from the inner pole lead 5, on its combustion chamber side End range on. In the present case it serves the insulating O-ring 4 in between.
  • a contact tube 6 Via the connection-side end region of the glow tube 3 a contact tube 6 is pushed on or pushed into it and in contact with the end region of the glow tube 3 firmly connected, for example by reducing the Contact tube 6 on the glow tube 3.
  • the contact tube 6 is to the end of the glow plug body or out of it guided and the end against the pole lead 5, for example by an isolating O-ring 7, isolated at the same time the sealing of the cavity between the contact tube 6 and inner pole lead 5 forms; this cavity is with insulation material 8, for example magnesium oxide in powder form, filled.
  • contact tube 6 with glow tube 3 allows the use of different wall thicknesses and different Materials for the named components; so can, for example, a glow tube with a wall thickness of about 1 mm can be used, for example Inconel 601 or 6025 HT is used as the material while the contact tube has a wall thickness of 0.5 mm and from one Material that is not as resistant to high temperatures as the material of the glow tube must be.
  • the extended heating element according to Figure 1 is part of the Glow plug design according to FIG. 2.
  • the glow plug body 12 is opposite the heating element arranged in isolation.
  • an insulation 11.3, for example made of ceramic, glass or high temperature resistant plastic provided while in connection side area of the body on an insulating Seal 14 and the insulating washer 15, opposite the contact tube isolated, arranged.
  • connection side 12 On the end area of the body from the connection side 12 emerging area of the contact tube 6 is a connecting sleeve 16 applied, which serves as a ground connection, and preferably designed for connection to a coaxial connector is.
  • the pole lead / inner pole is on the connection side as Plus connection trained.
  • an insulation layer 19 applied to the glow plug tip a defined non-insulated To provide an area for ionization measurement.
  • the glow plugs according to the invention can be economical mass-produced on the known devices become; assembly is very simple and can be done at the same time very low concentricity tolerances are observed.
  • the contact tube 6 placed on the glow tube 3 of the heating element 9 and the Cavity between contact tube 6 and inner pole 2 / pole lead 5 filled with insulating material, for example MgO 8, and with closed with an O-ring.
  • insulating material for example MgO 8
  • the inventive design of the glow plug becomes electrically and mechanically stable contacting of the connections guaranteed; at the same time it allows minimization the diameter of the heating element and candle body and with it the whole glow plug.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)
  • Spark Plugs (AREA)
  • Materials For Medical Uses (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP02004894A 2001-06-15 2002-03-04 Bougie à tige incandescente et procédé de fabrication Expired - Lifetime EP1267125B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10128656A DE10128656A1 (de) 2001-06-15 2001-06-15 Stabglühkerze und Verfahren zu ihrer Herstellung
DE10128656 2001-06-15

Publications (3)

Publication Number Publication Date
EP1267125A2 true EP1267125A2 (fr) 2002-12-18
EP1267125A3 EP1267125A3 (fr) 2006-07-26
EP1267125B1 EP1267125B1 (fr) 2008-05-21

Family

ID=7688132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02004894A Expired - Lifetime EP1267125B1 (fr) 2001-06-15 2002-03-04 Bougie à tige incandescente et procédé de fabrication

Country Status (7)

Country Link
US (1) US6649875B2 (fr)
EP (1) EP1267125B1 (fr)
JP (1) JP4204265B2 (fr)
KR (2) KR100953678B1 (fr)
AT (1) ATE396368T1 (fr)
DE (2) DE10128656A1 (fr)
ES (1) ES2302768T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050098136A1 (en) * 2003-11-10 2005-05-12 Visteon Global Technologies, Inc. Architecture to integrate ionization detection electronics into and near a diesel glow plug
EP1637806B1 (fr) * 2004-09-15 2012-02-01 Beru AG Bougie de préchauffage avec capteur de pression pour moteur diesel
KR20100078097A (ko) * 2008-12-30 2010-07-08 삼성전자주식회사 막의 두께 산출 방법 및 이를 이용한 막 형성 방법
EP2469256B1 (fr) * 2010-12-22 2016-09-21 HIDRIA AET Druzba za proizvodnjo vzignih sistemov in elektronike d.o.o. Bougie de préchauffage dotée d'un capteur de charge et d'un lien blindé avec le capteur
US9534575B2 (en) * 2013-07-31 2017-01-03 Borgwarner Ludwigsburg Gmbh Method for igniting a fuel/air mixture, ignition system and glow plug

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281451A (en) * 1978-02-10 1981-08-04 General Motors Corporation Electric heater -method of making
US4425692A (en) * 1981-03-23 1984-01-17 Jidosha Kiki Co., Ltd. Glow plug for use in diesel engine and method of manufacturing the same
JPS58138923A (ja) * 1982-02-12 1983-08-18 Ngk Spark Plug Co Ltd 二線式グロ−プラグ
JPH0814374B2 (ja) * 1986-02-10 1996-02-14 日本特殊陶業株式会社 自己制御型グロープラグの製造方法
JPS6361662U (fr) * 1986-10-09 1988-04-23
US6064039A (en) * 1998-04-15 2000-05-16 Ngk Spark Plug Co., Ltd. Glow plug with small-diameter sheath tube enclosing heating and control coils
JP3737880B2 (ja) * 1998-04-15 2006-01-25 日本特殊陶業株式会社 グロープラグ
JP3655499B2 (ja) * 1998-08-11 2005-06-02 株式会社ボッシュオートモーティブシステム セラミックヒータ型グロープラグおよびその製造方法
DE19920758C1 (de) * 1999-05-05 2000-12-21 Beru Ag Glühkerze und Verfahren zur Herstellung derselben
JP2001336468A (ja) * 2000-03-22 2001-12-07 Ngk Spark Plug Co Ltd グロープラグ制御装置、グロープラグ、及びエンジンの燃焼室内のイオン検出方法
DE10031893A1 (de) * 2000-06-30 2002-01-10 Bosch Gmbh Robert Glühstiftkerze mit Ionenstromsensor sowie Verfahren zum Betreiben einer derartigen Glühstiftkerze
DE60225618T3 (de) * 2001-04-27 2014-04-30 Ngk Spark Plug Co., Ltd. Heizung, Glühkerze und Wassererhitzer
JP2002367760A (ja) * 2001-06-11 2002-12-20 Ngk Spark Plug Co Ltd ヒータ及びグロープラグ

Also Published As

Publication number Publication date
US20020190050A1 (en) 2002-12-19
EP1267125A3 (fr) 2006-07-26
ES2302768T3 (es) 2008-08-01
US6649875B2 (en) 2003-11-18
KR20080069564A (ko) 2008-07-28
ATE396368T1 (de) 2008-06-15
EP1267125B1 (fr) 2008-05-21
JP2003004230A (ja) 2003-01-08
KR20020096871A (ko) 2002-12-31
DE50212284D1 (de) 2008-07-03
JP4204265B2 (ja) 2009-01-07
DE10128656A1 (de) 2003-01-02
KR100953678B1 (ko) 2010-04-20

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