EP1363315A2 - Incandescent lamp for automobile headlight - Google Patents
Incandescent lamp for automobile headlight Download PDFInfo
- Publication number
- EP1363315A2 EP1363315A2 EP03009969A EP03009969A EP1363315A2 EP 1363315 A2 EP1363315 A2 EP 1363315A2 EP 03009969 A EP03009969 A EP 03009969A EP 03009969 A EP03009969 A EP 03009969A EP 1363315 A2 EP1363315 A2 EP 1363315A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- filament
- shading device
- outlet
- incandescent lamp
- spiral
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
Definitions
- the light bulb for motor vehicle headlights has a lamp vessel and at least one filament arranged therein and one inside of the lamp vessel arranged shading device, the shading device an edge with at least one, essentially parallel to the helix axis which has at least one incandescent edge section and the at least one incandescent filament has a filament outlet with this edge section the shading device is connected.
- the metal foil preferably consists of a high melting point Metal such as molybdenum, tantalum, tungsten or an alloy of the aforementioned metals to the high temperature during lamp operation to withstand and to establish a good connection between that made of molybdenum or a molybdenum alloy existing shading device.
- a high melting point Metal such as molybdenum, tantalum, tungsten or an alloy of the aforementioned metals to the high temperature during lamp operation to withstand and to establish a good connection between that made of molybdenum or a molybdenum alloy existing shading device.
- the two filament outlets are advantageously the at least one filament arranged such that the sections which light up during lamp operation of the spiral outlets - these are the sections of the spiral outlets that differ directly to the first or last turn of the part used to generate light connect the filament - to the one facing away from the shading device Area of the filament surface. That means in particular that this luminous sections of the spiral outlets not to that of the shading device facing area of the filament surface include its projection or whose image is used to generate the light-dark boundary. Therefore can neither the filament outputs themselves nor those generated by the lamp vessel Mirror images the formation of a sharp cut-off line in the headlight to disturb.
- the two spiral outlets advantageously form the at least one Filament at an angle to each other in a plane perpendicular to the filament axis between 90 degrees and 130 degrees.
- the mechanical Minimize stresses in the at least one filament.
- FIG. 1 It is a two-filament halogen lamp that is used in one Motor vehicle headlights is provided.
- This lamp has a glass, in essentially cylindrical lamp vessel 1 with two incandescent filaments enclosed therein 2, 3, one of which is axial and the other is transverse to the longitudinal axis A of the Lamp base is aligned.
- the axially aligned filament 2 is partial by a shading device also arranged inside the lamp vessel 1 4 surrounded.
- For holding and powering the filaments 2, 3 and the shading device 4 serve three power supplies 5, 6 and 7, which are made are led out near the base of the lamp vessel 1.
- the base flange 12 has three resiliently formed tabs arranged evenly along its circumference 12a, 12b, which develop a spring action in the longitudinal direction A of the lamp.
- the reference lugs 11a, 11b serve for the spring tabs.
- the reference noses 11a, 11b form together with the base flange 12 and its tabs 12a, 12b and the opening of the headlight reflector designed as a lamp holder a bayonet catch.
- For lateral support of the lamp on the edge of the Headlight reflector opening serves a pressure spring 19 through an opening protrudes outwards in the annular collar 12d of the base flange 12.
- the plastic ring 13 connects, from which three metallic Protruding contact tabs 13a, 13b, each with a power supply 5, 6, 7 are electrically connected and the electrical contacts of the headlight lamp form.
- the three contact tabs 13a, 13b and in particular also their contact surfaces are in a common plane perpendicular to the axis of the plastic ring 13 and thus also arranged substantially perpendicular to the longitudinal axis A.
- the end of the lamp base 9 facing away from the lamp vessel 1 is covered by the made of plastic handle part 14 formed by a permanent connector is fixed on the plastic ring 13 and on the base flange 12.
- the Handle part 14 has a perpendicular to the longitudinal axis A, along a diameter of the Plastic ring 13 extending web 14a.
- the web 14a can be used as a handle for the dressing Unlock the bayonet lock when changing the lamp.
- FIGS. 2 and 3 show details of the shading device 4 and that used to generate it of the low beam used incandescent filament 2.
- This filament 2 the is also referred to as secondary spiral 2
- has a first spiral outlet 2a the is connected to the shading device 4, and a second spiral outlet 2b, which is connected to the power supply wire 5.
- Both spiral outlets 2a, 2b are each covered with a press fit of a molybdenum foil 20, 21, which as Welding aid for connecting the spiral outlets 2a and 2b to the shading device 4 or serve with the power supply 5.
- the shading device 4 has two opposite edge portions 41, 42 which are essentially run parallel to the helix axis of the secondary helix 2.
- the shading device 4 is provided with a tab 43 which is molded onto the edge section 41 and extends transversely to this edge portion 41 so that the free End of the tab 43 is directed away from the secondary helix 2.
- the tab 43 angled from the edge portion 41.
- the one covered by the molybdenum foil 20 The spiral outlet 2a is welded to the tab 43. In a plane perpendicular to the helix axis of the secondary helix 2, the two helix outlets 2a, 2b form together an angle ⁇ of 115 degrees.
- the free end of the tab 43 can also be in the direction of the secondary helix 2 ways.
- the spiral outlets 2a, 2b can be used as uncoiled ends Secondary helix 2, as shown in Figures 2 and 3, or alternatively as a helical Ends of the secondary helix 2 are formed.
- the filament outlets 2a, 2b are uncoiled and in the case of one double-coiled filament 2, the coil outlets 2a, 2b are simply coiled.
- this is irrelevant, since the molybdenum foils 20, 21 good weldability for both types of spiral outlets enable.
- Figure 4 shows a second embodiment of the invention in which the free end the tab 43 'extends in the direction of the secondary helix 2 and thus in the opposite Direction as the tab 43 of the first embodiment points. In all other details correspond to the second with the first embodiment.
- the tab 43 ' is formed on the edge section 41 and that of the Molybdenum foil 20 wrapped around the spiral outlet 2a is welded to the tab 43 '. Therefore, the same reference numerals have been used in FIGS. 3 and 4 for identical parts used.
- the spiral outlet 2a by means of a hook-shaped or U-shaped tab (not shown) that shapes the shading device 4 and has a gap for holding the spiral outlet 2a on the shading device to fasten, the gap width being dimensioned such that the spiral outlet 2a is arranged with a clamp fit in the gap.
- the spiral outlet 2a can be connected to the tab by a weld in order to the lowest possible contact resistance between the spiral outlet 2a and to reach the tab.
- the U-legs of the bracket can be used together be connected by a weld to ensure a permanent press fit of the spiral outlet Ensure 2a in the gap. This type of connection can optionally also on the covering of the spiral outlet 2a with a molybdenum foil 20 can be dispensed with.
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
Eine derartige Glühlampe ist beispielsweise in der internationalen Patentanmeldung mit der Veröffentlichungsnummer WO 98/38670 offenbart. Diese Offenlegungsschrift beschreibt eine Glühlampe mit einer Nebenwendel zur Erzeugung des Abblendlichts und einer Hauptwendel zur Erzeugung des Fernlichts in einem Kraftfahrzeugscheinwerfer. Die Glühlampe besitzt außerdem eine im Lampengefäß angeordnete Abschattungsvorrichtung, die einen Teil des von der Nebenwendel generierten Lichts abschirmt und zur Erzeugung der Hell-Dunkelgrenze des Abblendlichts verwendet wird. Ein Wendelabgang der Nebenwendel ist als parallel zur Wendelachse abgewinkeltes Ende ausgebildet, das mit der Abschattungsvorrichtung verschweißt ist.Such an incandescent lamp is, for example, in the international patent application with publication number WO 98/38670. This disclosure describes an incandescent lamp with a secondary filament for generating the low beam and a main coil for generating the high beam in a motor vehicle headlight. The incandescent lamp also has one arranged in the lamp vessel Shading device that is part of the generated by the secondary spiral Shields light and used to generate the cut-off line of the low beam becomes. A spiral exit of the secondary spiral is considered to be parallel to the spiral axis angled end formed, which is welded to the shading device is.
Es ist die Aufgabe der Erfindung, eine gattungsgemäße Glühlampe mit einer verbesserten Aufhängung für die mit der Abschattungsvorrichtung verbundene Glühwendel bereitzustellen.It is the object of the invention to provide a generic incandescent lamp with an improved one Suspension for the filament connected to the shading device provide.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1
gelöst. Besonders vorteilhafte Ausführungen der Erfindung sind in den abhängigen
Patentansprüchen beschrieben.This object is achieved according to the invention by the features of
Die erfindungsgemäße Glühlampe für Kraftfahrzeugscheinwerfer besitzt ein Lampengefäß und mindestens eine darin angeordnete Glühwendel sowie eine innerhalb des Lampengefäßes angeordnete Abschattungsvorrichtung, wobei die Abschattungsvorrichtung einen Rand mit mindestens einem, im wesentlichen parallel zur Wendelachse der mindestens einen Glühwendel verlaufenden Randabschnitt aufweist und die mindestens eine Glühwendel einen Wendelabgang besitzt, der mit diesem Randabschnitt der Abschattungsvorrichtung verbunden ist. Durch diese Anordnung des Wendelabgangs ist gewährleistet, dass der Wendelabgang zum Verbinden mit der Abschattungsvorrichtung nicht abgewinkelt werden muss. Dementsprechend vereinfachen sich die Herstellung und die Montage der Glühwendel.The light bulb for motor vehicle headlights according to the invention has a lamp vessel and at least one filament arranged therein and one inside of the lamp vessel arranged shading device, the shading device an edge with at least one, essentially parallel to the helix axis which has at least one incandescent edge section and the at least one incandescent filament has a filament outlet with this edge section the shading device is connected. By this arrangement of the Spiral outlet ensures that the spiral outlet for connecting to the Shading device does not have to be angled. Simplify accordingly the manufacture and assembly of the filament.
Um eine möglichst einfache Verbindung zwischen dem Wendelabgang und der Abschattungsvorrichtung zu gewährleisten, ist die Abschattungsvorrichtung vorteilhafterweise mit einer Lasche ausgestattet, die an dem mindestens einen, im wesentlichen parallel zur Wendelachse der mindestens einen Glühwendel verlaufenden Randabschnitt angeformt ist und die sich quer zu diesem Randabschnitt erstreckt. Diese Lasche eignet sich vorzüglich zur Herstellung einer Schweißverbindung mit dem Wendelabgang. Um die Schweißverbindung weiter zu verbessern, ist der Wendelabgang vorteilhafterweise mit einer Metallfolie umhüllt. Sie ermöglicht eine Befestigung der mindestens einen Glühwendel an der Abschattungsvorrichtung ohne dabei eine unerwünschte Torsion oder Deformation der Glühwendel zu verursachen und verhindert eine Versprödung des Wendelabgangs beim Verschweißen mit der Abschattungsvorrichtung. Die Metallfolie besteht vorzugsweise aus einem hochschmelzenden Metall wie zum Beispiel Molybdän, Tantal, Wolfram oder einer Legierung der vorgenannten Metalle, um der hohen Temperatur während des Lampenbetriebs standzuhalten und um eine gute Verbindung zwischen der aus Molybdän oder aus einer Molybdänlegierung bestehenden Abschattungsvorrichtung zu gewährleisten.To make the connection between the spiral outlet and the shading device as simple as possible to ensure, the shading device is advantageously equipped with a tab on the at least one, essentially parallel to the filament axis of the at least one incandescent edge section is integrally formed and which extends transversely to this edge section. This tab is ideal for creating a welded connection with the spiral outlet. To further improve the welded connection, the spiral outlet is advantageously covered with a metal foil. It enables the at least one filament on the shading device without doing an unwanted Causing and preventing torsion or deformation of the filament embrittlement of the spiral outlet when welding with the shading device. The metal foil preferably consists of a high melting point Metal such as molybdenum, tantalum, tungsten or an alloy of the aforementioned metals to the high temperature during lamp operation to withstand and to establish a good connection between that made of molybdenum or a molybdenum alloy existing shading device.
Vorteilhafterweise sind die beiden Wendelabgänge der mindestens einen Glühwendel derart angeordnet, dass die während des Lampenbetriebs leuchtenden Abschnitte der Wendelabgänge - das sind diejenigen Abschnitte der Wendelabgänge, die sich unmittelbar an die erste bzw. letzte Windung des der Lichterzeugung dienenden Teils der Glühwendel anschließen - zu dem von der Abschattungsvorrichtung abgewandten Bereich der Glühwendeloberfläche gehören. Das heißt insbesondere, dass diese leuchtenden Abschnitte der Wendelabgänge nicht zu dem der Abschattungsvorrichtung zugewandten Bereich der Glühwendeloberfläche gehören, dessen Projektion bzw. dessen Abbild zur Erzeugung der Hell-Dunkelgrenze verwendet wird. Daher können weder die Wendelabgänge selbst noch ihre vom Lampengefäß generierten Spiegelbilder die Ausbildung einer scharfen Hell-Dunkelgrenze im Scheinwerfer stören.The two filament outlets are advantageously the at least one filament arranged such that the sections which light up during lamp operation of the spiral outlets - these are the sections of the spiral outlets that differ directly to the first or last turn of the part used to generate light connect the filament - to the one facing away from the shading device Area of the filament surface. That means in particular that this luminous sections of the spiral outlets not to that of the shading device facing area of the filament surface include its projection or whose image is used to generate the light-dark boundary. Therefore can neither the filament outputs themselves nor those generated by the lamp vessel Mirror images the formation of a sharp cut-off line in the headlight to disturb.
Außerdem bilden vorteilhafterweise die beiden Wendelabgänge der mindestens einen Glühwendel in einer Ebene senkrecht zur Wendelachse miteinander einen Winkel zwischen 90 Grad und 130 Grad. Durch diese Maßnahme lassen sich die mechanischen Spannungen in der mindestens einen Glühwendel minimieren.In addition, the two spiral outlets advantageously form the at least one Filament at an angle to each other in a plane perpendicular to the filament axis between 90 degrees and 130 degrees. The mechanical Minimize stresses in the at least one filament.
Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Es zeigen:
Figur 1- Eine Seitenansicht einer Glühlampe gemäß des bevorzugten Ausführungsbeispiels der Erfindung in schematischer Darstellung
Figur 2- Eine Draufsicht auf die Nebenwendel und die Abschattungsvorrichtung
der in
Figur 1 abgebildeten Glühlampe - Figur 3
- Eine Draufsicht auf die Nebenwendel und die Abschattungsvorrichtung in
einer um 90 Grad gegenüber der in
Figur 2 gedrehten Darstellung
- Figure 1
- A side view of an incandescent lamp according to the preferred embodiment of the invention in a schematic representation
- Figure 2
- A top view of the secondary filament and the shading device of the light bulb shown in Figure 1
- Figure 3
- A plan view of the secondary helix and the shading device in a 90 degrees compared to the representation rotated in Figure 2
Bei dem in Figur 1 abgebildeten bevorzugten Ausführungsbeispiel der Erfindung
handelt es sich um eine Zweifaden-Halogenglühlampe, die zum Einsatz in einen
Kraftfahrzeugscheinwerfer vorgesehen ist. Diese Lampe besitzt ein gläsernes, im
wesentlichen zylindrisches Lampengefäß 1 mit zwei darin eingeschlossenen Glühwendeln
2, 3, von denen eine axial und die andere transversal zur Längsachse A des
Lampensockels ausgerichtet ist. Die axial ausgerichtete Glühwendel 2 ist teilweise
von einer ebenfalls innerhalb des Lampengefäßes 1 angeordneten Abschattungsvorrichtung
4 umgeben. Zur Halterung und Spannungsversorgung der Glühwendeln 2, 3
und der Abschattungsvorrichtung 4 dienen drei Stromzuführungen 5, 6 und 7, die aus
dem sockelnahen Ende des Lampengefäßes 1 herausgeführt sind. Das sockelnahe
Ende des Lampengefäßes 1 ist mit Klemmsitz in einer Aussparung eines metallischen
Halters 8 verankert, der seinerseits Bestandteil des Lampensockels 9 ist. Der
metallische Halter 8 ist in dem metallischen Justierring 10 fixiert, der mit dem Referenzring
11 verschweißt ist. Der Referenzring 11 besitzt drei sich im wesentlichen
senkrecht zur Längsachse A radial nach außen erstreckende, in einer gemeinsamen
Ebene liegende Referenznasen 11a, 11b. Der Referenzring 11 ist mit dem metallischen,
ringförmigen Sockelflansch 12 verschweißt, dessen Flanschebene im wesentlichen
senkrecht zur Längsachse A angeordnet ist. Der Sockelflansch 12 besitzt drei
gleichmäßig entlang seines Ringumfangs angeordnete, federnd ausgebildete Laschen
12a, 12b, die eine Federwirkung in Längsrichtung A der Lampe entfalten. Als Gegenlager
zu den Federlaschen dienen die Referenznasen 11a, 11b. Die Referenznasen
11a, 11b bilden zusammen mit dem Sockelflansch 12 und seinen Laschen 12a, 12b
sowie der entsprechend als Lampenfassung gestalteten Öffnung des Scheinwerferreflektors
einen Bajonettverschluss. Zur seitlichen Abstützung der Lampe am Rand der
Scheinwerferreflektoröffnung dient eine Andruckfeder 19, die durch einen Durchbruch
im ringförmigen Kragen 12d des Sockelflansches 12 nach außen ragt.In the preferred embodiment of the invention shown in FIG. 1
It is a two-filament halogen lamp that is used in one
Motor vehicle headlights is provided. This lamp has a glass, in
essentially
An den Sockelflansch 12 schließt sich der Kunststoffring 13 an, aus dem drei metallische
Kontaktfahnen 13a, 13b herausragen, die jeweils mit einer Stromzuführung 5,
6, 7 elektrisch leitend verbunden sind und die elektrischen Kontakte der Scheinwerferlampe
bilden. Die drei Kontaktfahnen 13a, 13b und insbesondere auch ihre Kontaktflächen
sind in einer gemeinsamen Ebene senkrecht zur Achse des Kunststoffrings
13 und damit auch im wesentlichen senkrecht zur Längsachse A angeordnet.
Das von dem Lampengefäß 1 abgewandte Ende des Lampensockels 9 wird von dem
aus Kunststoff bestehenden Griffteil 14 gebildet, das durch eine unlösbare Steckverbindung
an dem Kunststoffring 13 und an dem Sockelflansch 12 fixiert ist. Das
Griffteil 14 weist einen senkrecht zur Längsachse A, entlang eines Durchmessers des
Kunststoffrings 13 verlaufenden Steg 14a auf. Der Steg 14a kann als Griff zum Verund
Entriegeln des Bajonettverschlusses beim Lampenwechsel dienen.At the
Die Figuren 2 und 3 zeigen Details der Abschattungsvorrichtung 4 und der zur Erzeugung
des Abblendlichts verwendeten Glühwendel 2. Diese Glühwendel 2, die
auch als Nebenwendel 2 bezeichnet wird, besitzt einen ersten Wendelabgang 2a, der
mit der Abschattungsvorrichtung 4 verbunden ist, und einen zweiten Wendelabgang
2b, der mit dem Stromzuführungsdraht 5 verbunden ist. Beide Wendelabgänge 2a, 2b
sind jeweils mit Klemmsitz von einer Molybdänfolie 20, 21 umhüllt, die als
Schweißhilfe zum Verbinden der Wendelabgänge 2a und 2b mit der Abschattungsvorrichtung
4 bzw. mit der Stromzuführung 5 dienen. Die Abschattungsvorrichtung 4
besitzt zwei einander gegenüberliegende Randabschnitte 41, 42, die im wesentlichen
parallel zur Wendelachse der Nebenwendel 2 verlaufen. Die Abschattungsvorrichtung
4 ist mit einer Lasche 43 versehen, die an den Randabschnitt 41 angeformt ist
und sich quer zu diesem Randabschnitt 41 nach außen erstreckt, so dass das freie
Ende der Lasche 43 von der Nebenwendel 2 weg gerichtet ist. Außerdem ist die Lasche
43 von dem Randabschnitt 41 abgewinkelt. Der von der Molybdänfolie 20 umhüllte
Wendelabgang 2a ist mit der Lasche 43 verschweißt. In einer Ebene senkrecht
zur Wendelachse der Nebenwendel 2 bilden die beiden Wendelabgänge 2a, 2b miteinander
einen Winkel α von 115 Grad.FIGS. 2 and 3 show details of the
Die Erfindung beschränkt sich nicht auf das oben näher erläuterte Ausführungsbeispiel.
Beispielsweise kann das freie Ende der Lasche 43 auch in Richtung der Nebenwendel
2 weisen. Die Wendelabgänge 2a, 2b können als ungewendelte Enden der
Nebenwendel 2, wie in den Figuren 2 und 3 abgebildet, oder alternativ auch als gewendelte
Enden der Nebenwendel 2 ausgebildet sein. Im Falle einer einfach gewendelten
Glühwendel 2 sind die Wendelabgänge 2a, 2b ungewendelt und im Falle einer
doppelt gewendelten Glühwendel 2 sind die Wendelabgänge 2a, 2b einfach gewendelt.
Für die Schweißverbindung zwischen der Nebenwendel 2 und der Abschattungsvorrichtung
4 bzw. der Stromzuführung 5 ist das aber unerheblich, da die Molybdänfolien
20, 21 für beide Typen von Wendelabgängen eine gute Schweißbarkeit
ermöglichen.The invention is not limited to the exemplary embodiment explained in more detail above.
For example, the free end of the
Figur 4 zeigt ein zweites Ausführungsbeispiel der Erfindung, bei dem das freie Ende
der Lasche 43' sich in Richtung der Nebenwendel 2 erstreckt und damit in die entgegengesetzte
Richtung wie die Lasche 43 des ersten Ausführungsbeispiels weist. In
allen anderen Details stimmt das zweite mit dem ersten Ausführungsbeispiel überein. Figure 4 shows a second embodiment of the invention in which the free end
the tab 43 'extends in the direction of the
Insbesondere ist die Lasche 43' an den Randabschnitt 41 angeformt und der von der
Molybdänfolie 20 umwickelte Wendelabgang 2a ist mit der Lasche 43' verschweißt.
Daher wurden in den Figuren 3 und 4 für identische Teile dieselben Bezugszeichen
verwendet.In particular, the tab 43 'is formed on the
Ferner ist es auch möglich, den Wendelabgang 2a mittels einer hakenförmigen oder
U-förmigen Lasche (nicht abgebildet), die an die Abschattungsvorrichtung 4 ängeformt
ist und einen Spalt zur Halterung des Wendelabgangs 2a besitzt, an der Abschattungsvorrichtung
zu befestigen, wobei die Spaltbreite so dimensioniert ist, dass
der Wendelabgang 2a mit Klemmsitz in dem Spalt angeordnet ist. Zusätzlich kann
der Wendelabgang 2a mit der Lasche durch eine Schweißung verbunden sein, um
einen möglichst geringen Kontaktwiderstand zwischen dem Wendelabgang 2a und
der Lasche zu erreichen. Außerdem können die U-Schenkel der Lasche miteinander
durch eine Schweißung verbunden sein, um einen dauerhaften Klemmsitz des Wendelabgangs
2a in dem Spalt zu gewährleisten. Bei dieser Art der Verbindung kann
gegebenenfalls auch auf die Umhüllung des Wendelabgangs 2a mit einer Molybdänfolie
20 verzichtet werden.Furthermore, it is also possible to use the
Claims (6)
dadurch gekennzeichnet, dass der Wendelabgang (2a) mit dem mindestens einen, im wesentlichen parallel zur Wendelachse der mindestens einen Glühwendel (2) verlaufenden Randabschnitt (41) verbunden ist.Incandescent lamp for motor vehicle headlights, which has a lamp vessel (1) and at least one filament (2) arranged therein and a shading device (4) arranged inside the lamp vessel (1), the shading device (4) having an edge with at least one, essentially parallel to Helical axis of the at least one filament (2) extending edge section (41) and the at least one filament (2) has a filament outlet (2a) which is connected to the shading device (4),
characterized in that the filament outlet (2a) is connected to the at least one edge section (41) which runs essentially parallel to the filament axis of the at least one filament (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10219729 | 2002-05-02 | ||
| DE10219729A DE10219729A1 (en) | 2002-05-02 | 2002-05-02 | Light bulb for automotive headlights |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1363315A2 true EP1363315A2 (en) | 2003-11-19 |
| EP1363315A3 EP1363315A3 (en) | 2005-11-16 |
| EP1363315B1 EP1363315B1 (en) | 2007-12-12 |
Family
ID=29224999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03009969A Expired - Lifetime EP1363315B1 (en) | 2002-05-02 | 2003-04-30 | Incandescent lamp for automobile headlight |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6879102B2 (en) |
| EP (1) | EP1363315B1 (en) |
| JP (1) | JP2003346736A (en) |
| KR (1) | KR20030086419A (en) |
| AT (1) | ATE381113T1 (en) |
| CA (1) | CA2427422A1 (en) |
| DE (2) | DE10219729A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1560258A2 (en) * | 2003-12-12 | 2005-08-03 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Incandescent lamp for vehicle headlamp |
| WO2007000006A2 (en) * | 2005-06-29 | 2007-01-04 | Plansee Se | Halogen filament lamp comprising a dimming cover consisting of an mo alloy |
| CN103337448A (en) * | 2013-07-01 | 2013-10-02 | 江苏晨阳电光源有限公司 | Manufacturing technology for dimension positioning to road vehicle head light |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10306178A1 (en) * | 2003-02-13 | 2004-08-26 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Bulb for vehicle headlights |
| US20070108882A1 (en) * | 2005-11-16 | 2007-05-17 | Schneider Jerome J Jr | Incandescent lamp including self sealing mount base |
| DE102006060025A1 (en) * | 2006-12-19 | 2008-06-26 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Welding aid for a filament |
| DE202008014004U1 (en) | 2008-10-21 | 2009-12-03 | Osram Gesellschaft mit beschränkter Haftung | halogen bulb |
| US8253309B2 (en) * | 2009-06-24 | 2012-08-28 | Cunningham David W | Incandescent lamp incorporating reflective filament supports and method for making it |
| US9966246B2 (en) * | 2013-05-13 | 2018-05-08 | Koninklijke Philips N.V. | Double-filament incandescent lamp for automotive vehicle front lighting |
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| DE887843C (en) * | 1951-10-06 | 1953-08-27 | Philips Patentverwaltung | Electric light bulb with two filament wires, especially for car headlights |
| EP0817243A2 (en) * | 1996-06-06 | 1998-01-07 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle light bulb |
| US5808399A (en) * | 1995-03-16 | 1998-09-15 | Koito Manufacturing Co., Ltd. | Filament supporting structures in incandescent lamps and process for fixing filaments onto supports |
| US5984751A (en) * | 1997-02-25 | 1999-11-16 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | Method for manufacturing an electric light bulb |
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| FR2568721B1 (en) * | 1984-08-03 | 1986-12-05 | Lampes Elect Fab Reunies | ELECTRIC INCANDESCENT LAMP FOR MOTOR VEHICLE |
| DE3616673A1 (en) * | 1986-05-16 | 1987-11-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | HALOGEN BULB |
| JPH08264162A (en) * | 1995-03-22 | 1996-10-11 | Koito Mfg Co Ltd | Incandescent lamp and its manufacture |
| DE19544012A1 (en) * | 1995-11-27 | 1997-05-28 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric light bulb with anti-dazzle device and method for producing such a lamp and anti-dazzle device for an electric light bulb |
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| JP3771322B2 (en) * | 1996-06-04 | 2006-04-26 | 本田技研工業株式会社 | Automotive bulb |
| JP2001006626A (en) * | 1999-06-22 | 2001-01-12 | Koito Mfg Co Ltd | Electric lamp bulb and method for coating the same |
| DE10145427A1 (en) * | 2001-09-14 | 2003-04-03 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Light bulb for automotive headlights |
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2002
- 2002-05-02 DE DE10219729A patent/DE10219729A1/en not_active Withdrawn
-
2003
- 2003-04-30 AT AT03009969T patent/ATE381113T1/en not_active IP Right Cessation
- 2003-04-30 DE DE50308757T patent/DE50308757D1/en not_active Expired - Fee Related
- 2003-04-30 EP EP03009969A patent/EP1363315B1/en not_active Expired - Lifetime
- 2003-05-01 CA CA002427422A patent/CA2427422A1/en not_active Abandoned
- 2003-05-01 US US10/426,652 patent/US6879102B2/en not_active Expired - Fee Related
- 2003-05-01 KR KR10-2003-0027932A patent/KR20030086419A/en not_active Application Discontinuation
- 2003-05-02 JP JP2003127075A patent/JP2003346736A/en not_active Ceased
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| DE887843C (en) * | 1951-10-06 | 1953-08-27 | Philips Patentverwaltung | Electric light bulb with two filament wires, especially for car headlights |
| US5808399A (en) * | 1995-03-16 | 1998-09-15 | Koito Manufacturing Co., Ltd. | Filament supporting structures in incandescent lamps and process for fixing filaments onto supports |
| EP0817243A2 (en) * | 1996-06-06 | 1998-01-07 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle light bulb |
| US5984751A (en) * | 1997-02-25 | 1999-11-16 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | Method for manufacturing an electric light bulb |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1560258A2 (en) * | 2003-12-12 | 2005-08-03 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Incandescent lamp for vehicle headlamp |
| EP1560258A3 (en) * | 2003-12-12 | 2008-01-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Incandescent lamp for vehicle headlamp |
| WO2007000006A2 (en) * | 2005-06-29 | 2007-01-04 | Plansee Se | Halogen filament lamp comprising a dimming cover consisting of an mo alloy |
| WO2007000006A3 (en) * | 2005-06-29 | 2007-10-18 | Plansee Se | Halogen filament lamp comprising a dimming cover consisting of an mo alloy |
| CN103337448A (en) * | 2013-07-01 | 2013-10-02 | 江苏晨阳电光源有限公司 | Manufacturing technology for dimension positioning to road vehicle head light |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030086419A (en) | 2003-11-10 |
| EP1363315A3 (en) | 2005-11-16 |
| DE10219729A1 (en) | 2003-11-13 |
| EP1363315B1 (en) | 2007-12-12 |
| ATE381113T1 (en) | 2007-12-15 |
| US20030205972A1 (en) | 2003-11-06 |
| DE50308757D1 (en) | 2008-01-24 |
| CA2427422A1 (en) | 2003-11-02 |
| JP2003346736A (en) | 2003-12-05 |
| US6879102B2 (en) | 2005-04-12 |
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