Electricity. a device for reversing the direction of a current. a cylindrical ring or disk assembly of conducting members, individually insulated in a supporting structure with an exposed surface for contact with current-collecting brushes and mounted on the armature shaft, for changing the frequency or direction of the current in the armature windings.
Mathematics. the element equal to the product of two given elements in a group multiplied on the right by the product of the inverses of the elements.
更多commutator例句
The gong and commutator were removed and the magnet placed in the position shown in the sketch.
A small commutator, H, should now be made as follows: Obtain a piece of thin brass tubing about 5/8 in.
The beam was attached to the skate wheel with two small bolts which were insulated and carried two brushes as commutator contacts.
The commutator rings were made of heavy brass strips, fastened to a round piece of wood which was attached to the metal standard.
Another small nut is placed on the end of the shaft, away from the commutator, so that its outside surface is 1/2 in.