Patent · US Active

Headlight for a vehicle with a cooling device for a semiconductor illuminant

US11268674B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

Hella GmbH & Co. KGaA · DE

Inventors

Mathias DRUEPPEL · Lippstadt, DE
David Duhme · Lippetal, DE
Bernd Fischer · Bräunlingen, DE
Marc Kaup · Paderborn, DE

Key dates

Filing date	Jul 30, 2020
Grant date	Mar 8, 2022
Priority date	—
Expiry date	Jul 30, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A headlight for a vehicle with a cooling device for a semiconductor illuminant, wherein the cooling device comprises a fluid circuit with an evaporator, on or in which the semiconductor illuminant is arranged and a cooling medium can be evaporated, and wherein the cooling device further comprises a condenser on or in which the cooling medium can be condensed. The cooling medium comprises a first coolant, which has a first lower evaporation temperature and the cooling medium comprises a second coolant, which has a second higher evaporation temperature.

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