Patent · US Expired

Headlight for motor vehicles

US4635173A · kind A · utility

14Cited by

10References

13Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Helmut Dressler · Leutenbach, DE
Peter Engenhart · Ditzingen, DE
Klaus Jahnel · Stuttgart, DE
Heinrich Kochendorfer · Weingarten, DE
Ulrich Kuhn · Renningen, DE
Karl H. Matthas · Stuttgart, DE
Kurt Schuster · Reutlingen, DE

Key dates

Filing date	Feb 13, 1986
Grant date	Jan 6, 1987
Priority date	—
Expiry date	Feb 13, 2006

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21S45/43
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In a headlight of a motor vehicle, having a housing and a diffusing lens enclosing with the housing an interior of the headlight, the interior is vented by means of a conduit exposed to air streams caused by travelling of the motor vehicle. The conduit is formed as an integrated part of the diffusing lens made of plastics.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.