US Patent 12060832 Aircraft engine fluid system with shut-off valve

An aircraft engine, has: a fluid system including a fluid circuit fluidly connecting a plurality of components to a source of a fluid, the fluid being flammable, a component of the plurality of components containing a volume of the fluid during normal operation; and a valve fluidly connected to the fluid circuit upstream of the component relative to a flow of the fluid towards the component, the valve having an open configuration fluidly connecting the source of the fluid to the component through the valve and a closed configuration in which the valve disconnects the source of the fluid from the component, the valve movable from the open configuration to the closed configuration in response to the component being subjected to a fire event.