Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F02C 9/16

Control of working fluid flow (F02C9/48 takes precedence; control of air-intake flow F02C7/057)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Control of working fluid flow

CPC: Control of working fluid flow (F02C9/48 takes precedence; control of air-intake flow F02C7/057)

Full Title

Full titles differ between systems:

IPC:

Controlling gas-turbine plants; Controlling fuel supply in air-breathing jet-propulsion plants > Control of working fluid flow

CPC:

Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants (controlling air intakes F02C7/057; controlling turbines F01D; controlling compressors F04D27/00; controlling in general G05) > Control of working fluid flow (F02C9/48 takes precedence; control of air-intake flow F02C7/057)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

Navigate with arrow keys, Enter to open

  • F02C 9/18 by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages since 1980 IPC+CPC Available in IPC and CPC
  • F02C 9/24 Control of the pressure level in closed cycles since 1980 IPC+CPC Available in IPC and CPC