High-pressure sodium discharge lamp with fins radially extending

Details High-pressure sodium discharge lamp with fins radially extending High-pressure sodium discharge lamp with fins radially extending

1988-10-26

1990-11-13

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313 44, H01J 1728, H01J 6152

Patent

active

049704311

ABSTRACT:
A high-pressure sodium discharge lamp having a nominal power of at most 50 W provided with an elongate ceramic lamp vessel, which has over a length L an at least substantially constant inner diameter .phi. and a substantially constant wall thickness d, in which discharge vessel electrodes are arranged with their tips opposite to each other at a relative distance D. During operation, the lamp emits light having a color temperature of at least 2250K. According to the invention, it holds that D/L.ltoreq.0.5 and (.phi.+d).ltoreq.2.5 mm, while the discharge vessel is in mechanical contact with a substantially radially extending molding.

REFERENCES:
patent: 3790837 (1974-02-01), Timmermans
patent: 4594529 (1986-06-01), de Vrijer
patent: 4795943 (1989-01-01), Antonis et al.

Affiliated with

Also associated with

Rating

High-pressure sodium discharge lamp with fins radially extending does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High-pressure sodium discharge lamp with fins radially extending, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-pressure sodium discharge lamp with fins radially extending will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-778784