Component parts, details, or accessories, not provided for in, or of interest apart from, other groups

Introduced: September 1968

Of 13 combined children, 10 exist in both systems.

3 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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F01D 25/002 CPC only CPC only
F01D 25/005 CPC only CPC only
F01D 25/007 CPC only CPC only
F01D 25/02 De-icing means for engines having icing phenomena IPC+CPC Available in IPC and CPC
F01D 25/04 Antivibration arrangements IPC+CPC Available in IPC and CPC
F01D 25/08 Cooling (of machines or engines in general F01P); Heating; Heat-insulation (of blade-carrying members, of blades F01D5/00) IPC+CPC Available in IPC and CPC
F01D 25/16 Arrangement of bearings; Supporting or mounting bearings in casings (bearings per se F16C) +2 CPC IPC+CPC Available in IPC and CPC
F01D 25/18 Lubricating arrangements (of machines or engines in general F01M) +1 CPC IPC+CPC Available in IPC and CPC
F01D 25/24 Casings (modified for heating or cooling F01D25/14); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general F16M ) +2 CPC IPC+CPC Available in IPC and CPC
F01D 25/28 Supporting or mounting arrangements, e.g. for turbine casing +1 CPC IPC+CPC Available in IPC and CPC
F01D 25/30 Exhaust heads, chambers, or the like +1 CPC IPC+CPC Available in IPC and CPC
F01D 25/32 Collecting of condensation water; Drainage IPC+CPC Available in IPC and CPC
F01D 25/34 Turning or inching gear IPC+CPC Available in IPC and CPC