Valeo Vision

Gerard Billot

Eric Blusseau

Alexis Dubrovin

Alain Prelat

Herve Lequinio

A motor vehicle headlight comprises a mirror having mounted therein a discharge lamp, a mask placed in front of the lamp, and a shielding plate of conductive material extending behind the mirror. The mask is made of conductive material and is connected to a fixed potential to capture the parasitic electromagnetic fields emitted forwards from the lamp. According to the invention, the shielding plate is constituted by a cover extending behind and along the mirror and connected to said fixed potential. The invention is applicable to ensuring electromagnetic compatibility for discharge lamp headlights.

Motor vehicle headlight fitted with a discharge lamp and improved electromagnetic shielding means

A motor vehicle headlamp comprises an ellipsoidal reflector with two focus regions, a light source in the region of the first focus and a convergent lens focused on the region of the second focus. At least one optical plate exposed to light emitted directly by the light source includes an optical processing arrangement which returns at least a part of the direct light into the illumination field of the headlamp. An intermediate framework part fixed to the reflector is provided between the reflector and the lens and the intermediate part includes an arrangement for fixing the optical plate. Applications include elliptical headlamps with an enlarged illuminating area.

Elliptical headlamp with enlarged illuminating area

A device for mounting a mobile part of an automobile vehicle headlight on a relatively fixed part comprises a generally spherical head joined to a first part by means of a rod. A substantially complementary cavity is fastened to the second part. The head is forced fitted into the cavity through an opening into the latter. At least one flexible tongue is provided in the vicinity of the cavity and is adapted to deform elastically to enable insertion of the head therein and, after such insertion, to impede extraction of the head from the cavity. The cavity defines a stable position for the head in which the flexible tongue(s) are not in contact with the head. The device is used to adjust the reflectors relative to the headlight units.

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Montfermeil, France

Gerard Billot