Specifications and Drawings of Patents Relating to Electricity Issued by the U. S Volume . 2

Specifications and Drawings of Patents Relating to Electricity Issued by the U. S Volume . 2

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 edition. Excerpt: ...a bearing for an armature arranged within the magnet or magnets, whereby the proper relation of the magnet or magnets and the armature is preserved. 25 The improvements also consists in the combination, a magnet o-electric machine.of a circular magnet or magnets, a plate of diamagnetic material fitting within the adjacent magnet, and provided with a central hubcontaiu 30 ing a bearing for an armature-shaft arranged within the magnet or magnets, and a shell of diamaguetic material fitting over the magnet or magnets, and provided with a central hub containing a bearing for the armature shaft, 35 whereby the magnet or magnets, the plate, the shell, and the armature are in a simple manner securely retained in their proper relations to each other. In the accompanying drawings, Figure 1 is 40 a front view of a machine embodying my invention. Fig. 2 is a central longitudinal section thereof, and Fig. 3 is an end view of the commutator. Similar letters of reference designate cor 45 responding parts in all the figures. A designates permanent magnets, here shown as two in number and of circular form. They cousisf of steel rings magnetized, according to a process described by me in anotherappli 5o cation for Letters Patent, so as to have poles or consequent points. Fitting snugly within the rearmost of these magnets is a thin disk or circular plate, B, of brass or other dianiagnetic material, provided at the center with a hub, a, which fits in an opening in a board, C, 55 forming the base or support of the apparatus. It will be readily understood that the hub a of the plate B, by fitting in the board C, aud screws b, passing through the plate and entering the said board C, securethe plate in position on said 60 board. The plate, by fitting in theshow more

Product details

  • Paperback | 342 pages
  • 189 x 246 x 18mm | 612g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236944739
  • 9781236944733