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A nutating disc engine was patented in 1993 and a prototype was reported in 2006. The engine consisted of an internal disk wobbling on a Z-shaped shaft. [2] Nutation has also been used in drive systems for gearboxes, with proposed uses including helicopter rotors, seat recliners and a European Space Agency probe [which?] to Mercury. [3] [4]
A company in India [22] manufactures steam-powered generators in a range of sizes from 4 hp to 50 hp. They also offer a number of different mills that can be powered by their engines. In matter of technology, notice that the Quasiturbine is a uniflow rotary steam engine where steam intakes in hot areas, while exhausting in cold areas.
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transformed by a connecting rod and crank into rotational force for work.
The disc engines cost from £96 for an 8 hp machine to £300 for a 30 hp model. Ransomes of Ipswich (who were later to become the well-known agricultural engineers Ransomes and Sims ) exhibited a portable steam engine at the Royal Liverpool Show in 1841, powered by a 5 hp BPDE disc engine.
The Hartford Electric Light Co. (U.S.A.) has a 10,000kW turbo-generator driven by mercury vapour, which reaches the turbine at 70 lb. per sq. in. (gauge), 880°F. The mercury vapour is condensed at 445°F and raises 129,000 lb. steam per hr. at 280 lb. per sq. in. pressure. The latter is superheated to 735°F and passed to the steam turbines.
A return connecting rod, [1] [2] return piston rod [i] or (in marine parlance) double piston rod engine [2] or back-acting engine is a particular layout for a steam engine. The key attribute of this layout is that the piston rod emerges from the cylinder to the crosshead , but the connecting rod then reverses direction and goes backwards to the ...
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A governor, or speed limiter or controller, is a device used to measure and regulate the speed of a machine, such as an engine.. A classic example is the centrifugal governor, also known as the Watt or fly-ball governor on a reciprocating steam engine, which uses the effect of inertial force on rotating weights driven by the machine output shaft to regulate its speed by altering the input flow ...
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