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ensure penetration and distribution of the fuel in the combustion chamber ensure the needle valve is flushed clean during each injection prevent combustion gas blowback into the open needle valve prevent reflected pressure waves when the needle valve closes
by an fuel valve through an inlet valve with an exhaust valve from an outlet valve
pilot valve oil pressure speeder spring force compensation needle valve clearance centrifugal force on the flyweights
Common-rail injection Air injection Jerk pump injection Distribution injection
fuel valve lubricator indicator valve the starting valve
pilot valve opening compensating needle valve compensating spring tension accumulator spring tension
fuel valves; exhaust valve exhaust valves; inlet valve fuel valves; inlet valve exhaust valves; fuel valve
be jammed be opened be seated be broken
rack position should be adjusted compensating needle valve should be opened fully compensating needle valve should be adjusted to stabilize operation speed limiting device should be adjusted
increase in engine speed increase in cylinder turbulence leaking needle valve reduction in cylinder turbulence
will lift will be lifted will close will be closed
governor flyweight action on a pilot valve which controls fuel injection governor flyweight motion acting on fuel controls through suitable linkage positioning a butterfly valve in the fuel delivery system positioning a servomotor piston attached to the fuel controls
needle valve nozzles piston spring
A gate valve A globe valve Any check valve Any needle valve
Fuel injection timing will change Nozzle operation will be unaffected Fuel will leak into the drain line Fuel will not be delivered
close the static leg filling valve close the overflow tank falling valve reduce the fuel oil pumping rate stop the fuel oil pumping operation
tape face tapered face surface thinner face
burner valve root valve quick closing valve oil return valve
valve will open later valves will close later amount of fuel injected will be increased amount of fuel injected will be decreased
move in an opening direction move in a closing direction either open or close not move at all
湘公网安备 43130202000226号