they seems to add a sound attenuation by smart positioning of multiple rows of blades; with good shape
2014-08-17 0:33 GMT+02:00 Hoyt A. Stearns Jr. <[email protected]>: > Thanks for the link. > > This seems like a silly patent, putting a fan in a tube has a century of > prior art -- Am I missing something? > > > > *From:* Ron Kita [mailto:[email protected]] > *Sent:* Saturday, August 16, 2014 1:36 PM > *To:* vortex-l > *Subject:* [Vo]:Boeing- LENR Patent Application Jet Aircraft Engine > > > > Greetings Vortex-L, > > > > Courtesy of Alain Cortmeurs website: > > > http://www.lenr-forum.com/forum/news/index.php/News/2-Boeing-patent-electric-propulsion-system-fan-for-planes-considering-LENR-powerin/ > > > > The Boeing patent application was published May 2014..not sure if this was > covered at Vortex > > Ad Astra, > > Ron Kita, Chiralex > > > ------------------------------ > <http://www.avast.com/> > > This email is free from viruses and malware because avast! Antivirus > <http://www.avast.com/> protection is active. > >

