Patent · US Active

Lamp incorporating a heat sink and an optically transmissive cover

US8851716B2 · kind B2 · utility

2Cited by

6References

19Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Ralph Bertram · Herzogenrath, DE
Nicole Breidenassel · Bad Abbach, DE
Guenter Hoetzl · Regensburg, DE
Robert Kraus · Tustin, US

Key dates

Filing date	Jul 20, 2010
Grant date	Oct 7, 2014
Priority date	—
Expiry date	Jul 20, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lamp (1; 16; 20; 24; 30; 37; 39), at least comprising: a heat sink (2; 17; 21; 25), which bears at least one light source; (10) and an at least partially optically transmissive cover (11; 19; 23; 26) for the at least one light source (10), said cover being fastened to the heat sink (2; 17; 21; 25), the cover (11; 19; 23; 26; 31; 38; 40) having a wall thickness (d) which, at least sectionally, tapers as the distance from the heat sink (2; 17; 21; 25) increases.

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