The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2011
Filed:
Jan. 20, 2010
Applicants:
Ágoston Böröczki, Budapest, HU;
Attila Agod, Berettyóújfalu, HU;
Inventors:
Ágoston Böröczki, Budapest, HU;
Attila Agod, Berettyóújfalu, HU;
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 17/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A discharge vessel for high intensity discharge lamps is disclosed. The discharge vessel comprises an elongated arc chamber having a longitudinal axis of rotational symmetry. It has a translucent wall made of fused silica glass, or alternatively ceramic material. A pair of electrodes is located at opposite ends of the arc chamber for providing discharge arc. The wall of the arc chamber has at least one inwardly protruding circumferential narrowed portion thereby the arc chamber is divided into convection cells.