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
GB4968/33A
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.)
British Sangamo Co Ltd
Original Assignee
British Sangamo 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 British Sangamo Co LtdfiledCriticalBritish Sangamo Co Ltd
Priority to GB4968/33ApriorityCriticalpatent/GB411978A/en
Publication of GB411978ApublicationCriticalpatent/GB411978A/en
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
G01R11/36—Induction meters, e.g. Ferraris meters
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Dc Machiner
(AREA)
Abstract
411,978. Supply meters. BRITISH SANGAMO CO., Ltd., and BUTHERUS, F. R., Cambridge Arterial Road, Enfield, Middlesex. Feb. 17, 1933, No. 4968. [Class 37.] In order to shield the driving fluxes of a watthour meter from stray fields, a number of laminations 6 of high magnetic permeability are located on the voltage magnet core and adjacent the armature. The laminations are of silicon steel and are mounted on a plate 8, the whole system being enclosed in a circular casing of moulded insulating material.
GB4968/33A1933-02-171933-02-17Improvements in or relating to electricity meters
ExpiredGB411978A
(en)