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PCE
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DIFF Subgroup
F02K 1/64

Reversing fan flow

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto > Nozzles having means for reversing jet thrust > Reversing fan flow

CPC:

Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto (rocket nozzles F02K9/97) > Nozzles having means for reversing jet thrust (reversing jet thrust using fluid jets F02K1/32) > Reversing fan flow

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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  • F02K 1/645 CPC only CPC only
  • F02K 1/66 using reversing fan blades since 1980 IPC+CPC Available in IPC and CPC
  • F02K 1/68 Reversers mounted on the engine housing downstream of the fan exhaust section since 1980 IPC+CPC Available in IPC and CPC