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:
Jun. 04, 1991
Filed:
Feb. 21, 1990
Applicant:
Inventors:
Delroy O Walker, Hyattsville, MD (US);
Demetri P Telionis, Blacksburg, VA (US);
Assignee:
Fusion Systems Corporation, Rockville, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313 35 ; 313 44 ; 315248 ;
Abstract
Apparatus for cooling the lamp envelope of an electrodeless lamp which includes a conduit for carrying cooling gas into the vicinity of the lamp envelope and directing the cooling gas towards the lamp envelope through a slotted orifice in a wall of the conduit. The slotted orifice is preferably oriented with its long dimension substantially perpendicular to the conduct orifice and substantially parallel to the axis of a rotating lamp envelope.