Design and 3D model of a Vacuum cleaner ventilator
- Stato: Closed
- Premio: $220
- Proposte ricevute: 20
- Vincitore: sami3008
Descrizione del concorso
The world needs inexpensive ventilators which can be made quickly. This ideas is to use domestic vacuum cleaners as the air pump and vacuum pump for a ventilator. Look at my ideas and try to improve them for: 1) simplicity of design and use, 2) ease of manufacture (injection moulded parts, common off-the-shelf fan, gears, valves) 3) ability to easily control flow rates and pressures, 4) ease of cleaning and disinfecting.
All of the info about ventilators is online. Here are some sources:
https://www.gov.uk/government/publications/coronavirus-covid-19-ventilator-supply-specification/rapidly-manufactured-ventilator-system-specification
https://docs.google.com/document/d/1FNPwrQjB1qW1330s5-S_-VB0vDHajMWKieJRjINCNeE/preview
https://opensource.com/article/20/3/open-hardware-covid19
https://xlung.net/en/mv-manual/basic-modes-of-mechanical-ventilation
http://rc.rcjournal.com/content/56/1/52
Most households have a vacuum cleaner which can be re-purposed as a ventilator. It already has a couple of good filters and the filter bag can be filled with suitable media (cotton wool, HEPA media etc.) This design is completely mechanical and can be strapped onto the vacuum cleaner outlet.
It uses some of the flow from the outlet to spin a fan which rotates a disk valve via some gears. The disk valve alternates between pressure (inhale) and vacuum (exhale.) An additional manually rotatable valve (or two) can be added (next to the fan-powered valve), which can have ports to adjust the timing and/or duration of each breath/exhale cycle. The US atomiser is an ultrasonic piezoelectric transducer as found in inexpensive humidifiers. Some of the exhaust or vacuum air can be vented by manual valves to adjust to the required pressure/vacuum and some of the warm vented air can circulate through the water bath housing to increase evaporation (perhaps passing cellulose or similar evaporative cooling media sheets.)
Since vacuum cleaners have many shapes and sizes of air outlets you need a creative seal which is flexible but can seal to the vacuum. Perhaps a trimmable seal section which can be cut to size/shape and then a foam seal added to be fairly airtight.
A pressure and vacuum gauge should be added and an inlet for oxygen. Do some research, be creative, save some lives, and have something REAL to add to your portfolio!
Competenze consigliate
Feedback del Datore di Lavoro
“Mohamed worked very hard on this and produced excellent results! He communicated well, shared ideas openly with others, quickly implemented suggested improvements, and always responded quickly with a can-do attitude and some good ideas. I will be hiring him again! See his work at https://drive.google.com/drive/folders/1d-hkEAJRioBZVUieMt70AU8Ipql6EcUk?usp=sharing”
derekrwhite3, Canada.
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