Amortisseur winding arrangement, in a rotor for electrical, rotating equipment
 Slot wedges, electrically-conductive, used in rotor slots, between rotor teeth, and overlying the rotor coils, are serially arranged in the slots and have arcuate grooves in opposite ends thereof. Inserts, also electrically-conductive, are spring-loaded in the grooves to effect electrical continuity fully therealong, lengthwise of the rotor, from wedge to wedge. 
Dresser-Rand Company
H H
H02K H02K
inventional inventional
Darrell R. James J. James L.
Morrison McClurg Nessa