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Showing posts from January 23, 2010
Water Eductor
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Eductors are pumps without moving parts, driven by pressurized water. The eductor pump is based on the fact that a water-jet entrains the surrounding liquid. When this jet is placed inside a duct it can be used to create a substantial vacuum, and with proper design of the duct most of the energy in the mixing jet can be regained as static pressure on the discharge side. Because eductors are extremely simple and robust they are very suitable for a large range of marine applications.advantages: When a motive pump is available, the initial and operating costs of eductors are very low. The installation is simple, and since they contain no moving parts, the reliability is high. Eductors are always self-priming and can produce an almost absolute vacuum. Eductors are not virtually choked and handle particles and fibers very well.
Exhaust gas turbocharger
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In an exhaust gas turbocharger for an internal combustion engine comprising a compressor and a turbine interconnected by a shaft in a rotationally fixed manner, and an electric machine which can be connected to the exhaust gas turbocharger via a clutch, the exhaust gas turbocharger can be driven at least temporarily by a disk-shaped flywheel rotatably supported on the shaft and being operable selectively by the turbine and by an electro-dynamic structure for improving the response behavior of the exhaust gas turbocharger. (end of abstract) A turbocharger , or turbo , is a gas compressor that is used for forced-induction of an internal combustion engine . A form of supercharger , the purpose of a turbocharger is to increase the density of air entering the engine to create more power. However, a turbocharger has the compressor powered by a turbine , driven by the engine's own exhaust gases, rather than direct mechanical drive as with many other superchargers.