5TECH ENGIN

5TECH ENGIN

Abstract:

Scotch yoke is an inversion of double slider crank chain. The scotch yoke mechanism can be used in an engine to convert the reciprocating motion of piston into the rotary motion of the crankshaft. The engine thus build is called as a Scotch Yoke Technology Engine or simply a ‘SYTech Engine’.

Added to their cost effectiveness and simplicity, the SYTech engines have many advantages. Their width can be kept small. The short engine block and low engine height provide the greatest freedom for the design of drag efficient bonnet styling and effective crust zones, even in small vehicles. The absence of unbalanced inertia forces and moments with SYTech engines reduces the need for expensive measures to reduce cabin noise and vibrations.

SYTech engines run more quietly and smoothly for mainly three reasons: firstly, the engines are perfectly balanced with no free inertia forces or moments, secondly, the mechanical piston noise is very low and finally, the peak to peak variation of the output torque are much lower under all important operating conditions.

NOx is the exhaust gas component, which is most difficult to reduce. The sinusoidal motion of SYTech engine piston can provide up to 30% NOx reduction with no increase in specific fuel consumption.

SYTech crank mechanism can be applied to diesel and S.I., two stroke and four stroke engines.

The SYTech Engine is tested in ‘dynamometer durability test’ by Collins Motor Corporation (CMC), Melbourne, Australia. The engine is also tested in the Australian concept family car ‘aXcessaustralia II’ during many kilometers of road running under day-to-day traffic conditions.


for more info visit.
http://www.enjineer.com/forum