actuating cylinder

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• actuating cylinder — A cylinder and piston arrangement in which hydraulic or pneumatic pressure is converted into work. Fluid pressure moves the piston, which, in turn, does the work. Actuating cylinders having ports in piston rod …   Aviation dictionary

• cylinder —   n.    a complete operating unit which usually consists of the plug shell, tumblers, springs, plug retainer, a cam/tailpiece or other actuating device, and all other necessary operating parts …   Locksmith 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

• Hydraulic hooklift hoist — PRESSURE FLOW Hydraulic Oil Pressure = Capacity All hooklift hoists are preset, at the factory, to achieve intended lifting capacity. Turning up the system s pressure will increase lifting capacity, but adjusting or tampering with hoist s… …   Wikipedia

• LACA — Linear Actuating Cylinder Assembly (Governmental » Military) Linear Actuating Cylinder Assembly (Governmental » Transportation) …   Abbreviations 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

• Campbell-Railton Bluebird — Infobox Automobile generation name = Campbell Railton Bluebird related = Campbell Napier Railton Bluebird production = one off (1933) body style = front engined land speed record car. engine = 2,300hp 36.7litre supercharged Rolls Royce R V12… …   Wikipedia

• piston — A sliding plug in an actuating cylinder that converts pressure into force and then into work. In reciprocating engines, a piston compresses the fuel air mixture and transmits force from expanding gases in the cylinder to the crankshaft …   Aviation dictionary

• Train d'atterrissage — Article principal : Configuration générale d un aéronef. Train d atterrissage de Boeing 777 300 …   Wikipédia en Français

• cross-flow valve — A valve meant to bypass hydraulic fluid from the landing gear upline to the downline when the landing gear is being extended. The weight of the landing gear, when it is released, is so great that it falls very rapidly. Under these conditions,… …   Aviation dictionary