Commutator
[kɒmjuteitә]
解释:
(n.) A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction.
伯特伦编辑
例句:
- After Edison had decided this question, Upton made drawings and tables from which the real armatures were wound and connected to the commutator. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- This is accomplished by the use of a commutator. 伯莎M.克拉克. 科学通论.
- The commutator had 73 sections. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- As armature, commutator, and shaft rotate, the brushes connect first with one segment of the commutator and then with the other. 伯莎M.克拉克. 科学通论.
- But no matter how complex these various parts may seem to be, the principle is always that stated in Section 309, and the parts are limited to field magnet, commutator, and armature. 伯莎M.克拉克. 科学通论.
- He suggested the cutting out of the mica pieces almost to the bottom, leaving the commutator bars separated by air-spaces. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- The other binding post of the commutator 3 extends to one terminal of an isolated primary coil 4, and the other terminal of this coil connects with the dynamo. Edward W. Byrn. 十九世纪发明进展.
- Carbon for commutator brushes has been superseded by graphite in some cases, the latter material being found much more advantageous, electrically. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- He was also the first to use mica in insulating the commutator sections from each other. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- In the illustration, Figs. 18 and 19, _a_ is a revolving wheel bearing the armature coils, _C_ permanent magnets, _d_ electro-magnets (field magnets), and _g_ the commutator. Edward W. Byrn. 十九世纪发明进展.
- Gramme employed the commutator to make the current direct instead of alternating. 威廉·亨利·杜利特. 世纪发明.
- This armature consists of coils or bobbins of insulated wire, each section having its terminals connected with separate insulated plates on the hub, which plates are known as the commutator. Edward W. Byrn. 十九世纪发明进展.
- The mechanical reversal of the current is accomplished by the use of the commutator, which is a metal ring split into halves, well insulated from each other and from the shaft. 伯莎M.克拉克. 科学通论.
- Edison also improved the armature by dividing it and the commutator into a far greater number of sections than up to that time had been the practice. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- It was in his machine also that mica was used for the first time as an insulating medium in a commutator. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- The heating of solid armatures, the only kind then known, and poor insulation in the commutators, also gave rise to serious losses. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
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