| 单词 | ring armature |
| 释义 | > as lemmasring armature ring armature n. now historical and rare an armature (armature n. 4c) having conducting wires wound around a ring-shaped core; cf. Gramme n. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > armature > [noun] > types of ring armature1873 drum winding1886 bar-armature1888 shuttle armature1890 shuttle-wound armature1893 slotted armature1902 1873 Q. Jrnl. Sci. July 312 The theoretical resistance of the machine should be one-fourth of the whole resistance of the wire wound round the ring armature. 1920 G. W. O. Howe tr. A. Thomälen Text-bk. Electr. Engin. (ed. 5) vi 116 The electromotive force of a drum armature is naturally the same as that of a ring armature with the same number of external wires. 1974 Encycl. Brit. Macropædia VI. 610/1 The ring armature..enormously improved the efficiency of early electric generators. < as lemmas |
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