Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors

Introduced: September 1968

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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H02K 37/02 of variable reluctance type since 1985 IPC+CPC Available in IPC and CPC
H02K 37/10 of permanent magnet type (H02K37/02 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
H02K 37/22 Damping units since 1985 IPC+CPC Available in IPC and CPC
H02K 37/24 Structural association with auxiliary mechanical devices since 1985 IPC+CPC Available in IPC and CPC