Oil should not be used on commutators insulated with these materials, but only asbestos dust or French chalk.
Small commutators are pressed on to the shaft by a hand press.
All of the larger commutators are pressed on by means of a power press.
The accumulator had forty elements, divided into four series, each series communicating, by means of wires fixed to the floor of the car, with commutators which connected them with the dynamo used as a motor.
Two commutators inclosed in a box were placed on the platforms at the two ends of the carriage, so as to be available for moving in either direction.
The spindle andcommutators are rotated by the pulley, P.
Two pairs of the armature coils and their commutators are shown in the figure as being utilized; but all may be utilized in a similar manner.
In all the above cases the commutatorsare adapted for a single coil, and the device is particularly suited to such purposes.
Anthony and the present writer), when he exhibited motors that had been in operation long previous, and with which his belief that brushes and commutators could be dispensed with, was triumphantly proved to be correct.
Commutators and Current Reversers are useful in some experiments, as, for example, those with tangent galvanometers (App.
The use of commutators on motors and dynamos should be understood.
Instead of independent commutators for the several windings, they are combined into one having two or more sets of segments interplaced around the circumference.
The commutator is longer than the commutators on machines of equal capacity at higher voltages, and as a rule the commutator segments are thicker and fewer in number.
Commutators are made in various forms, but they may be grouped into two general types: 1.
Commutators for open coil armatures; This form of commutator is used on some machines designed especially for arc lighting, such as the Brush and Thompson-Houston machines.
As long as one of the two plates of the switch is applied against the rail, one of the two commutators is inclined and no current passes.
Position of theCommutators during the Manuever Fig.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "commutators" in a variety of sentences. We hope that you will now be able to make sentences using this word.
