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Honda working on 11-speed, triple-clutch automatic?

Uncovered by AutoGuide, the Japanese patent describes how the third clutch will be used to reduce the drop in torque that you get with a dual-clutch transmission.

Theoretically speaking, adding more ratios to an automatic transmission can help the speed of shifts, maintain the engine's revs at an optimised part of its torque curve for a longer period, and help economy without sacrificing the engine's power. Honda has a patent application for a transmission that offers 11-forward gears and three clutches.

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The more gears you have, the more fuel you save or at least that is what the automakers are thinking as they continue to work on the transmission with more gears. "The gearbox allows speed change to be more effectively restricted and a speed change response to be increased", according to the application, which has been loosely translated from Japanese. For example, past year Ford as well patented an 11-speed auto, with different combos using configurations of gears, clutches and brakes.

The Honda patent was published on 27 May this year, but don't expect to see it on a production vehicle any time soon, if at all. It's a new automatic transmission that is aimed at improving efficiency even over modern dual-clutch gearboxes. Honda is likely to adopt a top-down approach to introduce the 11-speed gearbox with 3 clutches.

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