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.)
Expired
Application number
GB2457537A
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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 English Electric Co LtdfiledCriticalEnglish Electric Co Ltd
Priority to GB2457537ApriorityCriticalpatent/GB501847A/en
Publication of GB501847ApublicationCriticalpatent/GB501847A/en
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F27/00—Details of transformers or inductances, in general
H01F27/08—Cooling; Ventilating
H01F27/22—Cooling by heat conduction through solid or powdered fillings
Abstract
501,847. Couplings ; transformers. ENGLISH ELECTRIC CO., Ltd., and SENHENN, W. E. Sept: 9,1937, No. 24575. [Class 38 (i)] [Also in Group XXXV] A chamber containing electrical apparatus embedded in solidified insulating compound, such as a current transformer 2 associated with metal-clad switchgear, is fitted with means for heating the compound when the chamber is to be drained. An electric heater 4 may be located in the chamber 1 so as to be embedded in the compound, or in a jacket 7 surrounding the chamber 1. A drain cock 5 may be provided. According to the Provisional Specification the invention may be applied to cable boxes.
GB2457537A1937-09-091937-09-09Electrical apparatus in solid compound filled chambers
ExpiredGB501847A
(en)