double-acting piston

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• Double Acting Piston Bellows — are a type of bellows, used by blacksmiths and smelters, with the property that air is blown out on both strokes of the handle (in contrast to more common bellows that blow air when the stroke is in one direction and refill the bellow in the… …   Wikipedia

• Double-acting cylinder — A double acting cylinder in a reciprocating engine is a cylinder in which the working fluid acts alternately on both sides of the piston. This is in contrast to a single acting cylinder, in which the working fluid acts in one direction only.… …   Wikipedia

• double-acting — (of a shock absorber or pump) having a piston with fluid on both sides so that in a pump one piston end performs the suction stroke while the other discharges the liquid, and in a shock absorber both upward and downward movements are damped …   Dictionary of automotive terms

• Double action — may refer to: Double action, a system in firearms where the trigger both cocks and releases the hammer see trigger (firearms). Simple expansion, a system in steam engines and their accessories where a piston has the ability to both push and pull… …   Wikipedia

• Piston — For other uses, see Piston (disambiguation). Components of a typical, four stroke cycle, DOHC piston engine. (E) Exhaust camshaft, (I) Intake camshaft, (S) Spark plug, (V) Valves, (P) Piston, (R) Connecting rod, (C) Crankshaft, (W) Water jacket… …   Wikipedia

• Back-acting steam engine — Steam engine Steam en gine ([e^]n j[i^]n). An engine moved by steam. [1913 Webster] Note: In its most common forms its essential parts are a piston, a cylinder, and a valve gear. The piston works in the cylinder, to which steam is admitted by the …   The Collaborative International Dictionary of English

• Angle seat piston valve — An angle seat piston valve is a pneumatically controlled valve with a piston actuator providing linear actuation to lift a seal off its seat. The seat is set at an angle to provide the maximum possible flow when unseated. Angle seat piston valves …   Wikipedia

• Bellows — For other uses, see Bellows (disambiguation). Diagram of a fireplace hand bellows. A bellows is a device for delivering pressurized air in a controlled quantity to a controlled location. Basically, a bellows is a deformable container which has an …   Wikipedia

• What the Ancients Did for Us — Infobox Television show name = What the Ancients Did for Us caption = aka = genre = Documentary creator = writer = director = creat director = developer = presenter = nowrap beginAdam Hart Davis·wrap Hermione Cockburn·wrap Jamie Darling·wrap… …   Wikipedia

• One-stroke cycle — A One stroke cycle is a two stroke cycle that uses a double acting piston; and thus both strokes are powered, and each stroke is half of two two stroke cycles.Fact|date=October 2007 A design patented by Russell Bourke has two pistons on one rod… …   Wikipedia

• Metallurgy — Georg Agricola, author of De re metallica, an important early book on metal extraction Metallurgy is a domain of materials science that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their… …   Wikipedia