DE1110753B - Two-filament incandescent lamp for motor vehicle headlights with one-part or multi-part anti-glare shield for main and secondary light filament - Google Patents
Two-filament incandescent lamp for motor vehicle headlights with one-part or multi-part anti-glare shield for main and secondary light filamentInfo
- Publication number
- DE1110753B DE1110753B DEH39411A DEH0039411A DE1110753B DE 1110753 B DE1110753 B DE 1110753B DE H39411 A DEH39411 A DE H39411A DE H0039411 A DEH0039411 A DE H0039411A DE 1110753 B DE1110753 B DE 1110753B
- Authority
- DE
- Germany
- Prior art keywords
- filament
- main
- motor vehicle
- incandescent lamp
- secondary light
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Zweifadenglühlampe für Kraftfahrzeugscheinwerfer mit ein- oder mehrteiligem Abblendschirm für Haupt- und Nebenlichtglühwendel Das Bemühen aller Neuentwicklungen für sogenannte blendungsfreie Scheinwerferglühlampen ist besonders darauf gerichtet, eine gute Hell-Dunkel-Grenze, in ungefähr der gleichen Höhe wie beim Abblendlicht, auch für das Fernlicht zu erhalten.Two-filament incandescent lamp for motor vehicle headlights with one or more parts Anti-glare screen for main and secondary light filament The effort of all new developments for so-called glare-free headlight bulbs is particularly aimed at a good cut-off line, at about the same height as the low beam, also available for the high beam.
Beim Versuch, die Hauptwendel gegen die obere oder untere Scheinwerferhälfte hin abzudecken, ergab sich ein zu hoher Lichtverlust.When trying to put the main coil against the upper or lower half of the headlight To cover up, there was too much light loss.
Als günstiger erwies es sich, mit zwei Wendeln zugleich zu arbeiten. Dabei leuchtet die im Brennpunkt angeordnete Hauptwendel die untere Reflektorhälfte aus und die zweite Wendel die obere Reflektorhälfte.It turned out to be cheaper to work with two coils at the same time. The main filament arranged at the focal point illuminates the lower half of the reflector off and the second helix the upper reflector half.
Dadurch, daß aber beide Wendeln gleichzeitig einschaltbar sind, wurde damit eine gute Ausleuchtung der Fahrbahn erzielt. Weitere Versuche haben nun gezeigt, daß die durch die Abschirmung bedingten Lichtverluste kleiner gehalten werden können, wenn nach der Erfindung sich im Abblendschirm eine öffnung für die Hauptwendel befindet, die den Lichtaustritt auch nach der im übrigen für diese Wendel abgeschirmten Reflektorhälfte gestattet und die nach vorn mittels eines deckelartigen und senkrecht nach oben stehenden Schirmteils abgeschirmt ist. Durch diese Öffnung in der Abschirmung wird auch zugleich die optische Einjustierung beim Fertigen der Glühlampe vereinfacht. Außerdem wird durch diese öffnung in der Abschirmung auch die Konvektion des Füllgases unterstützt. In den Zeichnungen zeigt Fig. 1 eine Seitenansicht der erfindungsgemäßen Scheinwerferglühlampe; Fig. 2 zeigt den Abdeckschirm von der Seite, Fig. 3 von oben und Fig.4 von unten.Because both coils can be switched on at the same time, however, was so that a good illumination of the road is achieved. Further experiments have now shown that the light losses caused by the shielding can be kept smaller, if according to the invention there is an opening for the main coil in the anti-glare screen, which also emits light to the reflector half which is otherwise shielded for this filament and the forward by means of a lid-like and vertically upwards standing shield part is shielded. Through this opening in the shield at the same time, the optical adjustment when manufacturing the incandescent lamp is simplified. In addition, the convection of the filling gas is also created through this opening in the shielding supports. In the drawings, Fig. 1 shows a side view of the invention Headlight bulb; Fig. 2 shows the cover screen from the side, Fig. 3 from above and Fig. 4 from below.
Die in Querlage angeordnete Hauptwendel 1 wird nach vorn und teilweise nach oben durch das Teil s des Abdeckschirmes mit dem hochgeklappten Deckelteil 4 abgeschirmt. Die Nebenwendel 2 für Abblendlicht ist in üblicher Weise in der Wanne 6 angeordnet.The main helix 1 arranged in the transverse position is forward and partial up through part s of the cover screen with the cover part folded up 4 shielded. The secondary coil 2 for low beam is in the usual way in the tub 6 arranged.
Als Hauptwendel 1 können Quer-, V- oder U-Wendeln eingesetzt werden.As the main helix 1, transverse, V or U helices can be used.
Eine Öffnung 3, die in die Abschirmung 5 oberhalb der im Brennpunkt angeordneten Hauptwendel l eingearbeitet ist, wird nach vorn, nahe oberhalb des Brennpunkts des Reflektors, durch das nach oben stehende Schirmteil 4 abgedeckt. Die Öffnung nach der Seite und nach hinten kann eine dem jeweiligen Verwendungszweck angepaßte beliebige Form haben. Die Formgebung für den Abblendschirm 5 der Hauptwendel 1 kann halbkugelig, leicht gewölbt oder viereckig sein, wenn nur der durch den Abblendschinn verursachte Lichtverlust möglichst klein gehalten wird.An opening 3 in the shield 5 above the focal point arranged main helix l is incorporated forward, close above the Focal point of the reflector, covered by the screen part 4 protruding upwards. The opening to the side and to the rear can be adapted to the respective purpose have any adapted shape. The shape for the anti-glare screen 5 of the main helix 1 can be hemispherical, slightly curved or square, if only the one through the dipped bar caused light loss is kept as small as possible.
Die Nebenhchtglühwendel2 ist in einen der üblichen Abblendschirme 6 eingesetzt. Auch besteht die Möglichkeit, für Haupt- und Nebenlichtglühwendel nur eine einteilige Abschirmplatte zu verwenden, die dann entsprechende Eindrückungen beider Schirme 5 und 6 enthält.The auxiliary filament2 is in one of the usual anti-glare screens 6 used. There is also the option for the main and secondary light filament only to use a one-piece shielding plate, which then has corresponding indentations both screens 5 and 6 contains.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH39411A DE1110753B (en) | 1960-02-06 | 1960-02-06 | Two-filament incandescent lamp for motor vehicle headlights with one-part or multi-part anti-glare shield for main and secondary light filament |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH39411A DE1110753B (en) | 1960-02-06 | 1960-02-06 | Two-filament incandescent lamp for motor vehicle headlights with one-part or multi-part anti-glare shield for main and secondary light filament |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1110753B true DE1110753B (en) | 1961-07-13 |
Family
ID=7153937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEH39411A Pending DE1110753B (en) | 1960-02-06 | 1960-02-06 | Two-filament incandescent lamp for motor vehicle headlights with one-part or multi-part anti-glare shield for main and secondary light filament |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1110753B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1159562B (en) * | 1961-07-21 | 1963-12-19 | Rolf Mickley | Two-filament incandescent lamp for dimmed high-beam and near-light in vehicle headlights |
DE1165748B (en) * | 1961-09-01 | 1964-03-19 | Rolf Mickley | Two-filament incandescent lamp for dimmed high-beam and near-light in vehicle headlights |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB293377A (en) * | 1927-07-05 | 1928-07-05 | Ernest William Crook | Improvements in vehicle head lamps |
FR1143851A (en) * | 1956-02-27 | 1957-10-07 | Code lamp for projectors |
-
1960
- 1960-02-06 DE DEH39411A patent/DE1110753B/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB293377A (en) * | 1927-07-05 | 1928-07-05 | Ernest William Crook | Improvements in vehicle head lamps |
FR1143851A (en) * | 1956-02-27 | 1957-10-07 | Code lamp for projectors |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1159562B (en) * | 1961-07-21 | 1963-12-19 | Rolf Mickley | Two-filament incandescent lamp for dimmed high-beam and near-light in vehicle headlights |
DE1165748B (en) * | 1961-09-01 | 1964-03-19 | Rolf Mickley | Two-filament incandescent lamp for dimmed high-beam and near-light in vehicle headlights |
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