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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska ABfiledCriticalASEA AB
Application grantedgrantedCritical
Publication of FR982828ApublicationCriticalpatent/FR982828A/fr
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F7/00—Magnets
H01F7/06—Electromagnets; Actuators including electromagnets
H01F7/08—Electromagnets; Actuators including electromagnets with armatures
H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
Landscapes
Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
FR982828D1948-03-131949-03-11Dispositif d'alimentation pour aimants élévateurs de ferraille
ExpiredFR982828A
(fr)