with two or more servomotors

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Servomotor systems without provision for follow-up action > with two or more servomotors

CPC:

Servomotor systems without provision for follow-up action; (F15B3/00 takes precedence) > with two or more servomotors

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

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F15B 11/161 +6 CPC CPC only CPC only
F15B 11/17 using two or more pumps since 1995 IPC+CPC Available in IPC and CPC
F15B 11/18 used in combination for obtaining stepwise operation of a single controlled member +2 CPC IPC+CPC Available in IPC and CPC
F15B 11/20 controlling several interacting or sequentially-operating members +1 CPC IPC+CPC Available in IPC and CPC
F15B 11/22 Synchronisation of the movement of two or more servomotors IPC+CPC Available in IPC and CPC