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PCE
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DIFF Subgroup
F02C 9/32

characterised by throttling of fuel (F02C9/38 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: characterised by throttling of fuel

CPC: characterised by throttling of fuel (F02C9/38 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Controlling gas-turbine plants; Controlling fuel supply in air-breathing jet-propulsion plants > Control of fuel supply > characterised by throttling of fuel

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 fuel supply (F02C9/48 takes precedence; fuel valves F02C7/232) > characterised by throttling of fuel (F02C9/38 takes precedence)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • F02C 9/34 Joint control of separate flows to main and auxiliary burners since 1980 IPC+CPC Available in IPC and CPC