Mazda patent filling hints at new rotary engine, could produce more than 400 hp

Mazda patent filling hints at new rotary engine, could produce more than 400 hp image

The whispers of Mazda returning to the rotary engine with a successor to the RX-8 have been around the rumor mill for years but they may have gained some new heft following a recent Mazda patent filling.

It now seems the long-awaited model may have been finally greenlit by the Mazda managers and the model could be closer than ever to production after the automaker filed a patent application for an all new rotary engine. The application itself is filled with engineering speak but we made out the interesting bits – for example Mazda has decided to have the engine rotated 180 degrees about its longitudinal axis. The quirky setting seems to influence the packaging under the hood. Additionally, there’s a top-mounted turbocharger and high exhaust ports which in turn will free up space under the bonnet for a front crossmember and an assortment of suspension components.

The patent adds the engine will feature a tri-angle rotor and new fuel injectors placed closer to the combustion chamber, a modification said to increase fuel efficiency – you may remember that was a major issue with the previous iteration. The last we heard officially from Mazda on the subject was way back during the 2015 Tokyo Motor Show when they unleashed the RX-Vision Concept which the company “hopes to one day make into reality.”

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