Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 86
lower por-tions of the oil ringsare thus immersed inoil. The fig. showsthe bearing of a smallmotor, the oil chamberbeing denoted by A.See Oil Thrower;Oil Ring; Bearings. Oil Circuit Breaker.Breaker, Oil. Oil Insulation.—The use of oil for insu-lating transformers and ht switches is nowcommon… … Oil Chamber of a Bearing See Circuit temperature, rises to the top, and the colderoil at the sides flows in to take its place; thiscauses a circulation of the oil, which continuesas long as the transformer continues to radi-ate heat. For ht switches the oil acts as avery efficient insulation by…
Electrical engineering
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