Synchronous motors having permanent magnets; Synchronous generators having permanent magnets

Introduced: September 1968

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

Child Classifications

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H02K 21/02 Details +1 CPC IPC+CPC Available in IPC and CPC
H02K 21/12 with stationary armatures and rotating magnets +1 CPC IPC+CPC Available in IPC and CPC
H02K 21/26 with rotating armatures and stationary magnets IPC+CPC Available in IPC and CPC
H02K 21/38 with rotating flux distributors, and armatures and magnets both stationary IPC+CPC Available in IPC and CPC
H02K 21/46 Motors having additional short-circuited winding for starting as an asynchronous motor IPC+CPC Available in IPC and CPC
H02K 21/48 Generators with two or more outputs IPC+CPC Available in IPC and CPC