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Two piston rings mounted on a two-stroke engine piston. The ring gap for the bottom ring is visible in the centre of the image. A piston ring is a metallic split ring that is attached to the outer diameter of a piston in an internal combustion engine or steam engine. The main functions of piston rings in engines are:
The main feature of the Britalus engine is an enclosed barrel-shaped cylinder block carrying compressor and expander pistons and rotating within a compact three-lobed stationary housing. The pistons carry rollers that follow an internal cam, causing the reciprocal motion of the pistons for compression and expansion.
A swing-piston engine is a type of internal combustion engine in which the pistons move in a circular motion inside a ring-shaped "cylinder", moving closer and further from each other to provide compression and expansion. Generally two sets of pistons are used, geared to move in a fixed relationship as they rotate around the cylinder.
A piston is a component of reciprocating engines. It is located in a cylinder and is made gas-tight by piston rings. Its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod. In two-stroke engines the piston also acts as a valve by covering and uncovering ports in the cylinder ...
Expander: A steam engine is just one component in a Rankine cycle power system. The figure of the Rankine cycle at the right shows a turbine rather than a reciprocating piston engine between states 3 and 4, but either device acts as the expander stage in the cycle. Condenser: The device between states 4 and 1 is the condenser. It removes heat ...
The engine cycle is named after George Brayton (1830–1892), the American engineer, who developed the Brayton Ready Motor in 1872, using a piston compressor and piston expander. [1] An engine using the cycle was originally proposed and patented by Englishman John Barber in 1791, using a reciprocating compressor and a turbine expander. [2]