Patent · US Expired

Halogen incandescent lamp with heat transfer by conduction

US5896007A · kind A · utility

7Cited by

10References

14Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Peter Dobiasch · Traunstein, DE
Rolf Minder · Nattheim, DE
Karlheinz Vogl · Regensburg, DE

Key dates

Filing date	Jun 13, 1996
Grant date	Apr 20, 1999
Priority date	—
Expiry date	Jun 13, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An incandescent halogen lamp is operated under convection-free conditions. In this way, light yields of about 15 to 20 lm/W with service lives of about 2000 hours can be attained. The important parameters are the bulb dimensions, luminous element dimensions, and fill gas properties.

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