Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co PLCfiledCriticalGeneral Electric Co PLC
Publication of ES219767A1publicationCriticalpatent/ES219767A1/en
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
Improvements in the electric discharge and sodium vapor lamps of the positive column type with electrodes containing a tubular and elongated U-shaped discharge casing for the passage of an electric discharge, and a quantity of sodium to provide the discharge in steam of sodium in the normal operation of the lamp, together with a rare gas charge to enable the start of the lamp and the development of the discharge in sodium vapor, in which the discharge envelope is hermetically sealed inside an outer sleeve of only one wall with a high vacuum space between the inner surface of the jacket and the outer surface of the discharge casing, and in which each organ or branch of the discharge casing is individually provided with a transparent sleeve and insulating material of heat, which fits very closely around the branch and along all or a large part of the length of said branch. (Machine-translation by Google Translate, not legally binding)
ES0219767A1954-01-271955-01-26Improvements in electric shock lamps (Machine-translation by Google Translate, not legally binding)
ExpiredES219767A1
(en)