Halogen filament lamp for vehicle headlight with screen partially surrounding antiglare filament专利检索-卤素灯白炽灯光源手电筒灯光专利检索查询-专利查询网

Halogen filament lamp for vehicle headlight with screen partially surrounding antiglare filament

阅读：415发布：2023-05-15

专利汇可以提供Halogen filament lamp for vehicle headlight with screen partially surrounding antiglare filament专利检索，专利查询，专利分析的服务。并且A halogen filament lamp for vehicle headlights in which a screen partially surrounds the antiglare filament within the lamp bulb to prevent blinding of a driver of an oncoming car. This screen has a reflecting surface that both blocks certain light rays and reflects same to the parabolic reflector.，下面是Halogen filament lamp for vehicle headlight with screen partially surrounding antiglare filament专利的具体信息内容。

权利要求

1. A halogen filament lamp including a. a tubular bulb having a central, longitudinal axis, and which when orientated horizontally has upper, lower front and rear parts, b. a main filament, and c. an antiglare filament axially spaced and secured in the rear and front parts respectively of the bulb, the antiglare filament having a central longitudinal axis disposed generally parallel to and below the axis of the bulb, and a screen comprising (i) a first part formed as segment of a cylindrical tube having a central axis generally parallel to that of the bulb and corresponding front and reaR parts, the screen at least partially surrounding the lower and front parts of the antiglare filament as viewed in front elevation view, extending upward on both sides defining an arc of from 165* - 180*, and (ii) a second part formed as a segment of a sphere extending from the rear of the first screen part into the region between the two filaments, the surface of the screen facing the antiglare filament being direct reflecting thereby blocking light from the antiglare filament from reaching at least portions of said region, with at least some of said blocked rays being reflective off said surface.

2. A lamp as claimed in claim 1, wherein said blocked region has a diameter maximally 2.5 times that of the antiglare filament.

3. A lamp as claimed in claim 1, wherein the radii of curvature of the first and second parts of the screen are the same.

4. A lamp as claimed in claim 1, wherein the rearmost portion of the curved part of the screen reflects light rays from the antiglare filament at angles having a maximum of 60* with respect to the bulb''s axis.

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Halogen filament lamp for vehicle headlight with screen partially surrounding antiglare filament

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