A plastic shunt that can temporarily rejoin the severed blood vessels of soldiers wounded on the battlefield won federal approval Friday, following an expedited review. Subscribe to read this story ad ...

A 22.38 kW, 440-V, 4-pole wave-wound d.c. shunt motor has 840 armature conductors and 140 commutator segments. Its full-load efficiency is 88% and the shunt field current is 1.8 A. If brushes are ...