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A camless or free-valve piston engine is an engine that has poppet valves operated by means of electromagnetic, hydraulic, or pneumatic [1] actuators instead of conventional cams. Actuators can be used to both open and close valves, or to open valves closed by springs or other means.
It was produced in sizes ranging from 1/2 to 3 horsepower (2.2 kW) and the company had plans to offer a scaled-up version capable of 25 horsepower (19 kW) or more. [1] The Atkinson differential engine was a two piston, single cylinder four-stroke engine that also used a displacer piston to provide the fuel air mixture for use by the power ...
One piston works at half the cyclical rate of the other, but while the main function of the second piston in a Beare-head engine is to replace the valve mechanism of a conventional four-stroke engine, the M4+2 takes the principle one step further. The double-piston combustion engine's work is based on the cooperation of both modules.
An axial engine (sometimes known as a barrel engine or Z-crank engine) is a type of reciprocating engine with pistons arranged around an output shaft with their axes parallel to the shaft. Barrel refers to the cylindrical shape of the cylinder group (result of the pistons being spaced evenly around the central crankshaft and aligned parallel to ...
The engine house would contain the engine, the generator, the necessary switchgear and fuses, as well as the engine's fuel supply and usually a dedicated workshop space with equipment to service and repair the engine. Wealthy households could afford to employ a dedicated engineer to maintain the equipment, but as the demand for electricity ...
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Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).
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