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Typical horizontal steam engine with double-acting cylinder. A double-acting cylinder is a cylinder in which the working fluid acts alternately on both sides of the piston. . In order to connect the piston in a double-acting cylinder to an external mechanism, such as a crank shaft, a hole must be provided in one end of the cylinder for the piston rod, and this is fitted with a gland or ...
The single-acting uniflow steam engine configuration closely resembles that of a two-stroke internal combustion engine, and it is possible to convert a two-stroke engine to a uniflow steam engine by feeding the cylinder with steam via a "bash valve" fitted in place of the spark plug. [6]
The Cyclone Waste Heat Engine (WHE) is a single-acting, Uniflow steam engine.The two main variations are the WHE-25, a six-cylinder radial engine that was under development until November 2013, and the 3-cylinder WHE-DR that has been under development since. [2]
The Willans engine was single-acting; steam pressure was only applied to the upper surface of the pistons. This was a common feature of high-speed engines at this time, in a measure to reduce knocking and increased wear, thus permitting higher operating speeds. [ 3 ]
The Cyclone Mark V Engine is a steam engine in which the engine, steam generator, condenser and feed pump are integrated into a single compact unit. The company Cyclone Power Technologies of Pompano Beach, Florida was founded by inventor Harry Schoell to develop and market this engine.
An oscillating cylinder engine cannot be reversed by means of the valve linkage (as in a normal fixed cylinder) because there is none. Reversing of the engine can be achieved by reversing the steam connections between inlet and exhaust or, in the case of small engines, by shifting the trunnion pivot point so that the port in the cylinder lines up with a different pair of ports in the port face.
The engine is single-acting, and the steam piston is pulled up by the weight of the pump piston and rodding. Steam may be supplied at a pressure of up to 50 pounds per square inch (340 kPa). Real photos showing the components of the schematic design (East Pool mine Tailer's shaft Harvey's Engine):
Double-acting horizontal stationary steam engine. The piston is on the left, the crank is mounted on the flywheel axle on the right. Mill engine, Queen Street Mill, Burnley. William Roberts horizontal tandem compound engine - 'Peace'. Marshall undertype steam engine