DIFF Subgroup
H02K 23/16 having angularly adjustable excitation field, e.g. by pole reversing or pole switching
Introduced: September 1968
Full Title
DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors > characterised by arrangement for exciting > having angularly adjustable excitation field, e.g. by pole reversing or pole switching
No child classifications to compare. This is a leaf node in both IPC and CPC.