Voorbeelden van commutator

• Brushes sparking badly on commutator of dynamo—due to poor contact. 

• Q. Why should sandpaper be used to smooth commutator instead of emery cloth? 

• The first dynamos were constructed with two commutator bars. 

• There are fifteen sections in the commutator, and each coupling is connected to a section. 

• These vibrations are adjusted to a very narrow range, but are sufficient to close the contacts of a commutator which reverses the current at each semi-vibration of the pendulum. 

• Taken together, throwing away terms of high enough grade and the removal of terms with even l after summation removes a high proportion of commutators.

• It reduces the free invariants into products of d-triangles and commutator words.

• Each hole connected by nylon hydraulic tubing to a ' fluid commutator ', a manifold containing a rotatable, ported centre-body.