Tuesday, March 31, 2020

DESIGN of extremely cheap short term emergency ventilator for COVID19 tags: 777covid19 777ventilator

started design on 2020m03d30
 inspired by
https://youtu.be/1wrin8FYtEo


lots more coming soon



https://onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2044.2009.06207.x

based on the URL above I have started the design of a very low cost ventilator.  This ventilator will have easily replaceable and/or repairable parts.  It will not be designed for long life.


D. Williams      S. Flory    R. King      M. Thornton       J. Dingley ( Dr John Dingley )
First published:05 February 2010






I am going to focus first on the following:
Self‐inflating resuscitation bag with supplementary oxygen port, reservoir bag and pressure limiting valve.

then I will look at the practicality of 3D printing electronic compatible control valves , one-way valves , piston , etc., 



basic plumbing flow



SBIR


inner tube

vulcanize rubber
https://www.customrubbercorp.com/blog/November-2013/A-Beginner-s-Guide-to-Rubber-Part-3

EPDM



dodgeball

accordion cover

medical bag

3D print with TPU filament













tags:   777COVID19   777ventilator   

Sunday, March 22, 2020

IDEAS for COVID19 protection

GREAT WEBSITES
Tech Ingredients   https://www.youtube.com/watch?v=kLWBG_fbJR0
Dr. Hansen     https://www.youtube.com/watch?v=c2CBjykvUJ0&t=3s
EPA   https://www.epa.gov/pesticide-registration/list-n-disinfectants-use-against-sars-cov-2




How to recycle facemasks   ( use any method )


#1   Soak in Sodium hypochlorite  6%  ( Bleach   Clorox )   
                 https://en.wikipedia.org/wiki/Bleach
                 https://www.hunker.com/13422673/chemicals-in-clorox-bleach
#2   Heat at 80C ( 175F )  for 30 minutes







Expert advice that is WRONG WRONG WRONG

https://www.usatoday.com/story/news/nation/2020/03/21/can-coronavirus-travel-though-mail-experts-say-no/2862947001/

Face Masks are useless


tags :  777COVID19