 | Gustav Glaser de Cew - 1884 - 328 Seiten
...great pains to secure that there are no electrical circuits made in the bolting together of Fig. 60. these cores, each plate being both electrically and magnetically insulated from the adjacent plates. Also a very important improvement in these machines has been in the reduction of the number of brushes.... | |
 | 1884 - 582 Seiten
...the Gramme type. Its core is built up of rings cut from sheet charcoal iron, and Mr. Mordey has taken special pains to ensure that there are no electric...being both electrically and magnetically insulated trom the adjacent plates. Eddy currents in the core are thus almost entirely obviated. This was far... | |
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DYNAMO (4-PoLE). special pains to ensure that there are no electric circuits made in the bolting together of these cores, each plate being both electrically and magnetically insulated from the adjacent plates. Eddy currents in the core are thus almost... 