Turning windscreen wiper motors into emergency ventilators

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A group of Spanish innovators is attempting to alleviate the Covid-19 ventilator crisis by developing an ultra-simple machine that uses a car windscreen-wiper motor to turn a manual resuscitation bag into automated breathing aid.  The first devices could be made available to Spanish hospitals within days, with car manufacturer Seat standing by to start producing them in volume, as soon as they have passed initial safety tests.

https://sifted.eu/articles/coronavirus-windscreen-ventilator/