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A slipper piston is a piston for a petrol engine that has been reduced in size and weight as much as possible. In the extreme case, they are reduced to the piston crown, support for the piston rings, and just enough of the piston skirt remaining to leave two lands so as to stop the piston rocking in the bore.
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The piston is connected to the Scotch yoke through a slipper bearing (a type of hydrodynamic tilting-pad fluid bearing). Mechanical fuel injection. Ports rather than valves. Easy maintenance (top overhauling) with simple tools. The Scotch yoke does not create lateral forces on the piston, reducing friction and piston wear.
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1807 – Nicéphore Niépce and his brother Claude build a fluid piston internal combustion engine, the Pyréolophore and use it to power a boat up the river Saône. 1816 – Robert Stirling invented his hot air Stirling engine, and what we now call a "regenerator". [5] [6] 1821 – Michael Faraday builds an electricity-powered motor.
In a two-stroke engine, the forces on the piston act uniformly downwards, throughout the cycle. In a four-stroke engine, these forces reverse cyclically: In the induction phase, the piston is forced upwards, against the reduced induction depression. The simple cam mechanism only works with a force in one direction.
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).
The Aprilia RSV Mille is a sport motorcycle manufactured by Aprilia from 1998 to 2003. It was offered in three versions, RSV Mille, RSV Mille R, and RSV Mille SP. The first RSV Mille (ME) was made from 1998 to 2000, the updated RSV Mille (RP) from 2001 to 2002 and the last update was made in 2003.