International Library of Technology · Scranton, International Textbook Co. · leaf 125
to stop turning. On this account it may be 2500 DYNAMO-ELECTRIC MACHINE DESIGN. advisable to make the ring of a winding form so that it cannot lie close against the box. A small cover g is providedto span the top of the slot, to guard against the ring climb-ing up on the top of the box. The two… … Fig. 1388. left, which holds the three parts together. The oil-ringsshould not be so large in diameter as to be in danger oftouching the sides of the oil chamber ; it must be re-membered that a theoretical static clearance is not sufficient,as the ring, when turning, is carried over slightly to…
Electrical engineering
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