Control of fuel supply (F02C9/48 takes precedence; fuel valves F02C7/232)

Child Classifications

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• F02C 9/263 CPC only CPC only
• F02C 9/266 CPC only CPC only
• F02C 9/28 Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed (F02C9/30 - F02C9/38, F02C9/44 take precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
• F02C 9/30 characterised by variable fuel pump output since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/32 characterised by throttling of fuel (F02C9/38 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/36 characterised by returning of fuel to sump (F02C9/38 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/38 characterised by throttling and returning of fuel to sump since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/40 specially adapted to the use of a special fuel or a plurality of fuels since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/42 specially adapted for the control of two or more plants simultaneously since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/44 responsive to the speed of aircraft, e.g. Mach number control, optimisation of fuel consumption since 1980 IPC+CPC Available in IPC and CPC
• F02C 9/46 Emergency fuel control since 1980 IPC+CPC Available in IPC and CPC