. Van Depoele Electric Light Company manufacture single and multiple current dynamo electric machines, motors, electric lamps and electro-plating apparatus ... . mo with automaticcurrent regulator. The principal parts of the dynamo are: THE FIELD MAGNETS,consisting of two large coils of copper wire wound around two soft-iron cores,their north and south poles facing each other, and between these poles revolvesthe armature. The soft-iron cores of the field magnets are cast on one end toheavy back plates, while to the other end are secured the semi-circular pole piecesbetween which the armature r
. Van Depoele Electric Light Company manufacture single and multiple current dynamo electric machines, motors, electric lamps and electro-plating apparatus ... . mo with automaticcurrent regulator. The principal parts of the dynamo are: THE FIELD MAGNETS,consisting of two large coils of copper wire wound around two soft-iron cores,their north and south poles facing each other, and between these poles revolvesthe armature. The soft-iron cores of the field magnets are cast on one end toheavy back plates, while to the other end are secured the semi-circular pole piecesbetween which the armature revolves in close proximity to the latter. The backplates of the magnets are secured between top and bottom plates, holding thewhole in position and making a most solid frame. To the lower plate and in itscenter, which is neutral, are cast two extensions upon which are placed the postsor bearings supporting the armature shaft; this disposition allows the posts to becomparatively short, providing a very rigid support for the revolving , the whole frame may be considered as a very long electro-magnet, withits poles inverted toward the Fig. The Armaturk. THE ARMATURE. Fig. 2 forms the most important part of the machine, and consists of a framemade of a number of iron bars, each separated from the other; these bars are DEPOELE ELECTRIC LIGH1 COM} riveted to the inner and outer periphery of two metal rings, several of these ringsbeing placed between the inner and outer layer of iron bars. And finally, therings and bars are riveted together so as to form a solid frame. The this form of core and the Pacinotti or Gramme ring will be apparent at the Gramme ring is composed ofseveral layers of soft-iron wire coiled one uponthe other, forming the armature <re, uponwhich the copper wire is ultimately wound insections; the magnetism of the field can a* tbut very little or not at all upon the copperwire coiled on the inside of the ring thusmade, sinc
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectdivisio, bookyear1884
