LED lamp having a cooling body
US9163820B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 23, 2010 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Oct 20, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an LED lamp (L), having a light-emitting means with at least one LED, and a heat sink (K1-K6), characterized in that the heat sink (K1-K6) is configured such that a plurality of channels (1, 1′, 1″, 1′″) are formed through said heat sink for transporting away air which is heated by operation of the light-emitting means, wherein the channels (1, 1′, 1″, 1′″) are arranged in the form of a ring around an axis (A), and wherein the length of at least one channel (1, 1′, 1″, 1′″) is at least half the shortest diagonal or transversal in the transverse extent of the corresponding one channel. The arrangement according to the invention and in particular the configuration of the channels (1, 1′, 1″, 1′″) make it possible to achieve particularly effective dissipation of heat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.