The fault detection logic, for a jet engine control system, registers loss of thrust control capability where the thrust is too high or too low on a positive or negative thrust. As an initial fault control parameter (+-EPRerror), a value is registered rela...

The device (32) has a measurer (22) to receive fuel from a regulation valve (34) at pressure P1 and delivers it at pressure P2 to fuel injectors (20) through a check-valve (26). The valve (34) re-circulates the fuel towards a high pressure pump (14) at a p...

A fuel control system for a gas turbine engine including a main metering valve (15) for controlling fuel flow to a line (18) which in use supplies fuel to a burner manifold (19) of a gas turbine engine, said line including an overthrust valve (21) downstre...

A fuel control system for a combustion engine, the system being characterised by comprising: an electrically driven centrifugal pump (220; 429; 620) operable at a pump speed, wherein the pump is arranged to supply pressurised fuel to the engine, and a pres...

A fuel control system for a gas turbine engine comprising, a main fuel metering valve (11) for controlling the flow of fuel to a respective gas turbine engine in use, the valve (11) including a valve control member (13) moveable relative to a valve body (1...