back pressure cylinder

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• back pressure — noun 1. : residual pressure on the exhaust side of a steam engine piston against which the steam on the intake side must work 2. : opposition to flow of a liquid or gas due to friction, inertia, gravity, or other cause * * * back pressure noun… …   Useful english dictionary

• Cylinder head porting — refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve the quality and quantity of the air flow. Cylinder heads, as manufactured, are usually suboptimal due to design and manufacturing… …   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

• Back-action 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

• Cylinder (engine) — Illustration of an engine cylinder with a cross section view of the piston, connecting rod, valves and spark plug. A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders… …   Wikipedia

• Pressure regulator — A pressure regulator is a valve that automatically cuts off the flow of a liquid or gas at a certain pressure. Regulators are used to allow high pressure fluid supply lines or tanks to be reduced to safe and/or usable pressures for various… …   Wikipedia

• Cylinder (firearms) — Close up of the cylinder on a Webley Mk VI service revolver In firearms terminology, the Cylinder refers to the cylindrical, rotating part of a revolver containing multiple cartridge chambers. The cylinder revolves around a central axis in the… …   Wikipedia

• Cylinder (locomotive) — The motion on the left hand side of 60163 Tornado. The black casting to the left houses the cylinder, in which slides the piston; the piston rod is immediately above the wheel. The cylinders of a steam locomotive are the components that convert… …   Wikipedia

• Diving cylinder — Diving cylinders to be filled at a diving air compressor station …   Wikipedia

• Hydraulic cylinder — A Hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a linear force through a linear stroke. It has many applications, notably in engineering vehicles. Operation Hydraulic cylinders get their… …   Wikipedia

• Blood pressure — For information about high blood pressure, see Hypertension. Blood pressure Diagnostics A sphygmomanometer, a device used for measuring arterial pressure. MeSH …   Wikipedia