3 Attachment(s)
Popup valve for Covid-19 ventialtor
Dear forum members,
I built a ventilator prototype for the Covid-19 pandemic and I'm working now on improving the pressure relief valve. I first built one with some plumbing parts but now I want to improve it with 3d prints.
This is my initial design:
Attachment 14857
Attachment 14858
Currently the rubber washer gets pressed on a metal washer to create a seal but in order to improve the seal I'm printing the following part:
Attachment 14859
Do you have better ideas how to make a better seal so I can use a weaker spring?
Maybe cast a washer form silicon? A softer washer can create a better seal with less pressure?!
By the way here is the ventilator prototype:
http://magicventilator.com/
https://www.youtube.com/watch?v=vonajMzTgMQ
It's currently fully functional :cool: