EP1041343B1 - Verfahren zum abdichtenden Verschliessen des Anschlussseitigen Endbereichs des Glührohres einer Glühkerze und Glühkerzen mit verfahrensgemässem Verschluss - Google Patents
Verfahren zum abdichtenden Verschliessen des Anschlussseitigen Endbereichs des Glührohres einer Glühkerze und Glühkerzen mit verfahrensgemässem Verschluss Download PDFInfo
- Publication number
- EP1041343B1 EP1041343B1 EP00106730A EP00106730A EP1041343B1 EP 1041343 B1 EP1041343 B1 EP 1041343B1 EP 00106730 A EP00106730 A EP 00106730A EP 00106730 A EP00106730 A EP 00106730A EP 1041343 B1 EP1041343 B1 EP 1041343B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- incandescent tube
- tube
- end area
- area
- incandescent
- 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
Links
Images
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
- F23Q7/001—Glowing plugs for internal-combustion engines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
- E04H6/18—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions
- E04H6/28—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions characterised by use of turntables or rotary rings for horizontal transport
- E04H6/282—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions characterised by use of turntables or rotary rings for horizontal transport turntables, rotary elevators or the like on which the cars are not permanently parked
- E04H6/285—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions characterised by use of turntables or rotary rings for horizontal transport turntables, rotary elevators or the like on which the cars are not permanently parked using car-gripping transfer means
Definitions
- the invention relates to a method for sealing Closing the connection-side end area of a Glow tube of a glow plug, as well as a corresponding glow plug.
- circular kneaders which are also called Hammering or reducing machines are used, which through pressure forming at a relatively faster rate Working pulse sequence outer diameter in the feed process downsize and so that filled with inner pole and insulator Close the glow tube over the sealing ring.
- Circular kneading machines shape the pusher with high Working frequency of radially oscillating tools
- the workpiece located in the center of the tool accordingly around. This is always a quick, short forming stroke from the tool to the workpiece in the center transmitted when a pair of tappets under a pair of rollers passes.
- the round kneading in Tolerances that can be achieved with cold working processes are included +/- 0.01 mm.
- the original outer diameter of the glow tube is in a certain length to a certain dimension, which is usually is not yet the final dimension, reduced, and sits thus firmly on the inner pole, sealing element and Insulation material.
- the connection created here must be bulk-capable for the next work step, which is the Reduce the heating element to its final dimension.
- a disadvantage of those known from the prior art Round kneading process and round kneading devices is the high one Noise development that makes soundproofing cabins necessary.
- the noise level is due to the high level required Ram frequency caused by the low deformation per stroke of the circular kneading machine.
- the proportion of friction the work pieces in the tools must be large to prevent that the workpiece from the tools against the Feed direction is driven out.
- the noises arise especially in the places where the plunger is on Rolling (rolling), tools on workpiece and, when idling, the tool halves of the circular kneaders on top of each other to meet.
- US-A-4 211 204 shows the features of the preamble of claim 1 and of claim 4.
- US-A-4 211 204 is also known for sealing closure of the connection side End region of a glow tube of a glow plug, on connection-side end region of the glow tube Arrange glow tube sealing element and the glow tube at its connection end area to crimp that with that end area into that Sealing element engages.
- the object underlying the invention is therefore, in a method and a glow plug of the beginning specified type, where there is a risk of Damage to the sealing element is excluded.
- the invention is intended in particular under A method to overcome the disadvantages listed Be made available to the needs of the sealing the specified Glow tube end area is tailored and in mass production can be incorporated by glow plugs, as well as further processing in mass production allowed. In particular, damage to the Sealing element material can be avoided to harmful Prevent oxygen from entering. After all, should Glow plugs are provided where the Sealing of the connection-side end area of a glow plug tube the necessary requirements for such Sealing corresponds.
- the object of the invention is achieved by the method according to claim 1 with the advantageous embodiments Claims 2 to 3, or by the glow plug according to claim 4 with the following preferred embodiment according to claim 5 solved.
- FIG. 1 there is usually a glow plug a glow tube 3 with heating and possibly control elements 5, which in Insulating material 4 are embedded; that or the heating elements 5 are on the connection side with a rod-shaped inner pole 1 firmly connected within the glow tube 3; the inner pole 1 protrudes from the connection-side end region of the glow tube 3 out; it is usually centered in the outlet opening fixed by means of an overlying sealing element 2, the sealing element 2 simultaneously the interior of the Glow tube 3 seals to the outside.
- This connection side End region of the glow tube 3 is used for fixation and fixation of the inner pole 1 and completion of the seal usually completed by rotary kneading, the Diameter of this glow tube area is reduced at the same time becomes.
- the crimping according to the invention is carried out a known crimping tool for crimping 6 of the connection-side end region of the glow tube 3, whereby the inner pole 1 is fixed centrally and the sealing element 2, preferably a sealing ring, is not damaged because in Contrary to the usual round kneading, rolling or rolling flanging processes, a deformation of the sealing ring far below the yield strength of the usual material.
- Prefers six crimping ridges are carried out which are uniform around the said end region are arranged; the axial length of the In this embodiment, crimping is preferably approximately 10 mm.
- the method according to the invention requires lower investment costs and lower tool costs because of the simplified Procedure and the simplified device, with longer service lives and longer cycle times are achievable.
- the glow plugs according to the invention also have less susceptibility to oxygen penetration and the resulting malfunction.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Resistance Heating (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Description
Claims (5)
- Verfahren zum abdichtenden Verschließen des anschlussseitigen Endbereichs eines Glührrohres (3) einer Glühkerze, wobei am anschlussseitigen Endbereich des Glührohres ein das Glührohr verschließendes Dichtungselement (2) vorgesehen wird, dadurch gekennzeichnet, dass das Glührohr auf das Dichtungselement unter Bildung von Crimpgraten gecrimpt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass beim Crimpen eine Durchmesserreduzierung des anschlussseitigen Endbereiches des Glührohres um etwa 8 bis 10 % bewirkt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der gecrimpte Bereich des Glührohres zu zylindrischer Form nachgearbeitet wird.
- Glühkerze mit einem Glührohr (3), in dem in Isoliermaterial (4) ein oder mehrere Heiz- und/oder Regelelemente (5) eingebettet sind, wobei der anschlussseitige Endbereich des Heizelements (5) mit einem stabförmigen Innenpol (1) verbunden ist, der Innenpol (1) aus dem anschlussseitigen Endbereich des Glührohres (3) herausragt und der Endbereich des Glührohres (3) durch ein Dichtungselement (2), das des Innenpol (1) umgibt und den Innenraum des Glührohres (3) abdichtet, verschlossen ist, dadurch gekennzeichnet, dass der anschlussseitige Endbereich des Glührohres (3) unter Bildung von Crimpgraten auf das Dichtungselement (2) gecrimpt und der gecrimpte Bereich zu zylindrischer Form nach gearbeitet ist.
- Glühkerze nach Anspruch 4, dadurch gekennzeichnet, dass der gecrimpte Bereich mit den Crimpgraten aus sechs gleichmäßig um den Endbereich des Glührohres (3) verteilten Crimpgraten besteht, wobei der Glührohrdurchmesser im Bereich der Crimpgrate um etwa 8 bis 10 % im Durchmesser reduziert ist und der Crimpbereich in axialer Richtung über etwa 10 mm verläuft.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914619 | 1999-03-31 | ||
DE19914619A DE19914619A1 (de) | 1999-03-31 | 1999-03-31 | Verfahren zum abdichtenden Verschließen des anschlußseitigen Endbereichs des Glührohres einer Glühkerze und Glühkerzen mit verfahrensgemäßem Verschluß |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1041343A1 EP1041343A1 (de) | 2000-10-04 |
EP1041343B1 true EP1041343B1 (de) | 2004-06-02 |
Family
ID=7903086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00106730A Expired - Lifetime EP1041343B1 (de) | 1999-03-31 | 2000-03-29 | Verfahren zum abdichtenden Verschliessen des Anschlussseitigen Endbereichs des Glührohres einer Glühkerze und Glühkerzen mit verfahrensgemässem Verschluss |
Country Status (7)
Country | Link |
---|---|
US (1) | US6252200B1 (de) |
EP (1) | EP1041343B1 (de) |
JP (1) | JP4309015B2 (de) |
KR (1) | KR20000063077A (de) |
AT (1) | ATE268454T1 (de) |
DE (2) | DE19914619A1 (de) |
ES (1) | ES2216750T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10041282B4 (de) * | 2000-08-22 | 2005-02-10 | Beru Ag | Verfahren zur Verbindung eines Heizstabes einer Glühkerze mit ihrem Glühkerzenkörper und eine entsprechende Glühkerze |
US6636780B1 (en) * | 2000-11-07 | 2003-10-21 | Mdg Medical Inc. | Medication dispensing system including medicine cabinet and tray therefor |
JP2002359060A (ja) * | 2001-05-31 | 2002-12-13 | Ngk Spark Plug Co Ltd | ヒータ、及びヒータの製造方法 |
DE102010062438A1 (de) * | 2010-12-06 | 2012-06-06 | Robert Bosch Gmbh | Glühkerze und Verfahren zu deren Herstellung |
DE102010062443A1 (de) * | 2010-12-06 | 2012-06-06 | Robert Bosch Gmbh | Glühkerze und Verfahren zu deren Herstellung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2746496A1 (de) * | 1977-10-15 | 1979-04-26 | Bosch Gmbh Robert | Gluehstiftkerze fuer brennkraftmaschinen |
US4221452A (en) * | 1979-08-06 | 1980-09-09 | Remington Richard C | Electrical connector |
US4312120A (en) * | 1980-05-22 | 1982-01-26 | Bendix Autolite Corporation | Glow plug manufacture |
US4477717A (en) * | 1983-04-08 | 1984-10-16 | Wellman Thermal Systems Corporation | Fast start glow plug |
DE3502525C2 (de) * | 1985-01-25 | 1993-11-11 | Beru Werk Ruprecht Gmbh Co A | Glühelement |
DE4335292A1 (de) * | 1993-10-15 | 1995-04-20 | Beru Werk Ruprecht Gmbh Co A | Glühkerze |
IT235871Y1 (it) * | 1995-05-31 | 2000-07-18 | Cooper Ind Inc | Guarnizione oscillante e autopulente per una resistenza corazzata diuna candela di pre-riscaldo per motori diesel |
DE19630402C2 (de) * | 1996-07-26 | 2000-12-28 | Beru Ag | Stabflammglühkerze |
JP3861348B2 (ja) * | 1996-12-21 | 2006-12-20 | 株式会社デンソー | セラミックグロープラグ及びその製造方法 |
EP0989370A3 (de) * | 1998-09-25 | 2005-04-20 | Delphi Technologies, Inc. | Metallspitze für Glühsensor |
-
1999
- 1999-03-31 DE DE19914619A patent/DE19914619A1/de not_active Ceased
-
2000
- 2000-03-22 JP JP2000080213A patent/JP4309015B2/ja not_active Expired - Fee Related
- 2000-03-29 DE DE50006645T patent/DE50006645D1/de not_active Expired - Lifetime
- 2000-03-29 EP EP00106730A patent/EP1041343B1/de not_active Expired - Lifetime
- 2000-03-29 AT AT00106730T patent/ATE268454T1/de active
- 2000-03-29 ES ES00106730T patent/ES2216750T3/es not_active Expired - Lifetime
- 2000-03-30 KR KR1020000016525A patent/KR20000063077A/ko not_active Application Discontinuation
- 2000-03-31 US US09/540,898 patent/US6252200B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE19914619A1 (de) | 2000-10-12 |
JP4309015B2 (ja) | 2009-08-05 |
KR20000063077A (ko) | 2000-10-25 |
DE50006645D1 (de) | 2004-07-08 |
EP1041343A1 (de) | 2000-10-04 |
ES2216750T3 (es) | 2004-11-01 |
JP2000291955A (ja) | 2000-10-20 |
US6252200B1 (en) | 2001-06-26 |
ATE268454T1 (de) | 2004-06-15 |
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