selector valve

См. также в других словарях:

• selector valve — i. A hydraulic flow control valve to direct pressurized fluid into one side of actuator and, at the same time, direct return fluid from the other side of the actuator to the reservoir. ii. When used in relation to fuel systems, it means a switch… …   Aviation dictionary

• selector valve — skirstytuvas statusas T sritis automatika atitikmenys: angl. directional control valve; distribution device; distributor; manifold; selector valve vok. Verteiler, m; Verteileranordnung, f; Verteilerschaltung, f; Wege Ventil, n rus. распределитель …   Automatikos terminų žodynas

• solenoid selector valve — A selector valve operated by a solenoid. This type of selector valve is used when it is desired either to locate the valves close to the actuating cylinders or avoid plumbing that is necessary if the valves are located in the pilot’s compartment… …   Aviation dictionary

• open-center selector valve — A type of hydraulic selector valve used in an open center hydraulic system that allows hydraulic fluid to flow from the pump to the reservoir when the selector valve is placed in neutral (i.e., when none of the actuating cylinders are receiving… …   Aviation dictionary

• tank selector valve — A selector valve controlled by the pilot to select the fuel tank from which he or she desires to feed the engine. See selector valve (i). Tank farm …   Aviation dictionary

• ratchet valve — A valve normally used in the wing flap system to retain pressure in the flap actuating cylinder, thereby preventing the flaps from drooping while they are up when the airplane is on the ground and from creeping while they are down when the… …   Aviation dictionary

• blow-back valve — The valve in the flap system that prevents the flaps from being lowered at too high an air speed. If the flaps are down and the air speed increases to too high a value, the flaps will retract automatically. Also called a flap overload valve. Blow …   Aviation dictionary

• flap-overload valve — A valve in the flap system that prevents the flaps from being lowered at speeds that may cause structural damage. If the pilot tries to lower the flaps at higher than permissible speeds, causing excessive air loads on the flap, the valve acts to… …   Aviation dictionary

• directional control valve — skirstytuvas statusas T sritis automatika atitikmenys: angl. directional control valve; distribution device; distributor; manifold; selector valve vok. Verteiler, m; Verteileranordnung, f; Verteilerschaltung, f; Wege Ventil, n rus. распределитель …   Automatikos terminų žodynas

• shuttle valve — A type of automatic selector valve installed in a critical portion of a fluid power system. It directs the system pressure in the actuator during normal operations but releases emergency fluid when the emergency system is activated …   Aviation dictionary

• cabin pressurization safety valve — A combination pressure and vacuum valve meant to prevent cabin pressurization from exceeding safe limits. The valve normally combines the functions of overpressure relief valve, vacuum relief valve, and dump valve. The overpressure relief valve… …   Aviation dictionary