Honda patent: all-wheel drive to generate electricity

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Honda patent: all-wheel drive to generate electricity
Honda

Honda patent: all-wheel drive to generate electricity

Honda patent: all-wheel drive to generate electricity

Honda patent: all-wheel drive to generate electricity

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Honda patent: all-wheel drive to generate electricity
Honda

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Honda is probably planning to use front-wheel drive to increase the potential of generating braking energy in electric drives.

Honda patent: all-wheel drive to generate electricity
Honda

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For this purpose, a pump is driven by the electric motor, which hydro-mechanically drives the front wheel.

Honda patent: all-wheel drive to generate electricity
Honda

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When braking, the counter pressure of the hydraulics ensures constant braking torque on the electric motor, which can then efficiently generate electricity.

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technology & future

Honda patent: all-wheel drive to generate electricity

Honda all-wheel drive electric patent
Honda charges through the front wheel

Honda deals with the topic of energy recovery when braking an electric motorcycle or scooter. All-wheel drive should generate more electricity and thus offer more range.


Jens Kratschmar

06/29/2021

The subject of all-wheel drive for two-wheelers is as old as the concept itself. The problem: the individual track of the motorcycle requires a change in the direction of rotation, i.e. some type of transmission. In addition, the swiveling front wheel needs a drive that does not prevent the steering angle or driving dynamics properties. These components all add weight and the driving force on the wheel increases the steering forces. The solution: no all-wheel drive for motorcycles in series. Here and there an experiment or a small series, but nothing tangible. Honda is probably thinking about equipping electric motorcycles with hydraulic front-wheel drive, primarily to use the additional braking energy to charge the battery.


Honda patent: all-wheel drive to generate electricity


Honda

When braking, the counter pressure of the hydraulics ensures constant braking torque on the electric motor, which can then efficiently generate electricity.

Honda drives all the wheels

When braking or coasting, the electric motor short-circuits into an optional generator and produces electricity. The problem: With high braking forces, the dynamic wheel load distribution relieves the rear wheel, which lowers the braking torque of the electric motor and, in the worst case, completely prevents recuperation to avoid wheel blockage. Honda has therefore worked on a hydraulic drive for the front wheel that allows the generator to generate electricity continuously when pushing or braking. For this purpose, a drive shaft is moved by hydraulics in the wheel hub and a mechanism that turns the wheel is probably driven by a Pinion drive. In the opposite case, i.e. when braking or rolling, the mechanics generate counter pressure in the hydraulics, which then permanently supply the electric motor with braking torque to generate electricity.

Honda patent: all-wheel drive to generate electricity

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Conclusion

Yes and no. Yes: When it comes to electric, the two-wheeler has the disadvantage that the driven wheel is the one with the weakest brakes. The electric motor can only generate electricity inefficiently when braking. Honda wants to counter-steer this with an additional, possibly alone-driven wheel and generate a lot of electricity through high wheel loads. No: it won’t go into series production anytime soon.

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