This new concept, developed by a Polish engineer, Andrew Feliks eliminates the most complicated mechanism in the combustion engine: the head and valve train.
The idea is to replace the camshaft with a crankshaft and replace the valves with pistons. Making it new yet very simple four stroke engine.
In this invention, the piston with compressions rings slides in a cylinder which has a side port. A pair of these pistons and cylinders replaces the intake and exhaust valve.
As the principal crankshaft rotates twice, the timing piston assembly crankshaft turns only once - similar to a camshaft in traditional teaming gear. The set of "pistons valves" doesn't have the disadvantages of traditional valves such as clearance tolerance. The lubrication system is not a problem - it is a normal engine turned "upside-down".
So what is so good about this? Needless to say, eliminate the need of valve adjustment, supposedly have more efficient and less-pollution.
I am no engineer, but anything that makes less-pollution and more power is always welcome on my world.
For more info,
visit: New 4stroke
Also mechanically inclined folks at Go Fast News talked about this in details.
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