Suzuki Patents a Novel Single-Cylinder Engine

  • Suzuki patents a special kind of single-cylinder engine.

  • It has two conrods but only one piston.

  • The objective is to reduce vibrations.

--Innity--

Suzuki has just submitted the patents for a “special” kind of single-cylinder engine.

Single-cylinder engines may not get the cred for all-out horsepower, but they are quick-revving hence punchy. Besides that, having just one piston means fewer reciprocating parts resulting in a lighter engine which promotes agility. That’s the reason why dirt-bikes and lightweights such as the KTM 390 Duke are equipped with singles.

But the downside is lots of vibration especially at higher revs. It not only robs comfort but will also eventually loosen everything else on the bike.

That’s why single-cylinder engines feature counterbalancer shafts. The shaft normally sits low, in front of crankshaft.

Suzuki’s patent shows a different kind of layout.

Instead of using a balancer shaft, there is a second conrod without a piston. Doing so not only balances against the crankshaft, but also the piston, resulting in a much smoother engine.

Having a second conrod isn’t new by all accounts. Ducati did so with the Supermono. However, the Italian manufacturer employed a standard 90oV-Twin engine with one cylinder without a sparkplug, hence turning it into an airpump.

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Wahid's lust for motorcycles was spurred on by his late-Dad's love for his Lambretta on which he courted, married his mother, and took baby Wahid riding on it. He has since worked in the motorcycle and automotive industry for many years, before taking up riding courses and testing many, many motorcycles since becoming a motojournalist. Wahid likes to see things differently. What can you say about a guy who sees a road safety message in AC/DC's "Highway to Hell."

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