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Author Topic: low weight and high power density energy conversion system parts  (Read 2027 times)

Offline lancaIV

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                   Old and new re-/ invention or improvement :
          the search for the best technical advantage/disadvantage ratio and lowest production cost

                     rotative electric drive ( motor or generator, AC alternator)

https://www.nextbigfuture.com/2015/04/siemens-and-emrax-claim-best-power-to.html
                  2500 RPM range : 5 - 10 KW per Kg passive/active material weight
same article forecast : superconducting engine and motor 40-80 KW/ Kg power-to-weight ratio ( RPM ?)

                          but we are in 2019 :
so we have to search and find the disadvantages and the solutions :

 rotative mechanical friction and wear ( system function lifetime shortening )
Ultrasonic surface treatment ( NUFM) and surface coating ( GEO, GEO+)  https://web.archive.org/web/20050305185038/http://bufo.ru/

Motor/ transformer space/ weight saving method :
https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20010710&CC=US&NR=6259347B1&KC=B1#

Magnetic material saving or magnetic force improving array :
https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=2&ND=3&adjacent=true&locale=en_EP&FT=D&date=20130314&CC=US&NR=2013062983A1&KC=A1#


Iron core or later air core :
https://www.lunduniversity.lu.se/lup/publication/ac5293fd-65b6-4ca1-be28-dc9dd1677f25

No magnetic material in the construction except in the magnets
https://patents.google.com/patent/US4318019A/en

NASA labs R&D plastic bonded magnets and
https://m.phys.org/news/2010-03-iron-nitrogen-compound-strongest-magnet.html

EE-parts 3d-print hard-/ software
https://www.sciencenewsforstudents.org/article/3-d-printers-offer-better-way-make-some-magnets

3d motor or generator parts printing : https://www.google.com/search?q=3d+electric+motor+print&ie=utf-8&oe=utf-8&client=firefox-b

wiring in future : coils or foils or sputted layer from copper to copper/ alu to alu to carbon( CNT) graphit/ graphene coils/ foils/layer
https://www.researchgate.net/publication/282022870_AT_THE_CUSP_OF_THE_NEXT_ELECTRIC_MOTOR_REVOLUTION_REPLACING_COPPER_WITH_CARBON_NANOMATERIALS

anorganic to organic materials
« Last Edit: March 22, 2019, 08:57:00 PM by lancaIV »

Free Energy | searching for free energy and discussing free energy


Offline lancaIV

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Re: low weight and high power density energy conversion system parts
« Reply #1 on: March 23, 2019, 04:57:15 PM »
www.schillergy.com
From their PDF :
Motorcycle ( 16 KW) and Automobile ( 65 KW)  e-drive

               3000 RPM 120 V and 400 V
     
                       active material

Permanent magnets     0,1 Kg .       /KW
Copper                             0,1 Kg.        /KW
Iron                                0,1-  0,25 Kg/ KW


Permanent magnets : magnet array, magnet array x Iron-Nitrite/Nitrogen PM

Copper : aluminium ( later carbon)coil and cooling technique Ed Sines
                   -------------------------------------------------------

        Comercial   DC motor, 3000 RPM 12V and more , Kg material/KW -motor price calculation

https://m.alibaba.com/showroom/dc-motor-3000rpm.html

https://m.alibaba.com/product/60740222994/2018-New-Design-6000W-Electric-Car.html?spm=a2706.7835515.0.0.3688470bagBk2W
                                                         180-195 US$/ 23 Kg ~     

                                             < 10 US$/Kg. selling price.       passive/ active material e-drive
                                                  ? US$/Kg  production price ?
                                         How many hours function warranty. ?( theory/ practizise)

High power/ weight ratio drives without permanent magnets :
http://www.arestov.de/index.php/en/electric-bike

Offline lancaIV

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Re: low weight and high power density energy conversion system parts
« Reply #2 on: March 27, 2019, 11:14:09 PM »
It would be wonderful to have ready to use devices  !  8)
Approved and tested ! ::)
And relatively cost attractive  ! :)

Probably one ( unexspected) source :  ;)
https://www.google.com/search?q=akio+hara+winpro&ie=utf-8&oe=utf-8&client=firefox-b
 Nice generator, with very efficient conversion technique !

https://patents.google.com/patent/US20130038069A1/de

        https://patents.google.com/patent/US4464095A/en as " rotative cw/ccw magnetic principle"
                      and speed-/power-amplifier effect
« Last Edit: March 28, 2019, 01:31:17 AM by lancaIV »

Free Energy | searching for free energy and discussing free energy

Re: low weight and high power density energy conversion system parts
« Reply #2 on: March 27, 2019, 11:14:09 PM »
Sponsored links:




Offline lancaIV

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Re: low weight and high power density energy conversion system parts
« Reply #3 on: July 10, 2019, 12:41:56 PM »
A relatively low cost energy generator project :

Target : max.  500 Euros/KW unit  1 Euro-cent/KWh   tax Quote : 5% p. a.   amortization : 10 years


E. U.  In-situ private household energy generation ,renewable,low-/no CO2- and other GHG emission
1. dis-/advantage comparison :

A.Fanerator compressed air motor-generator chamber

B.Marzahn /Baquero Menendez solar cell chamber

C.Fritzsche multi generator-1 motor couple

D. Thorpe - Li Yng wind chamber with motor assistant for no/low wind

E.Mukherjee generator-rotative controle unit couple

Calculation and avaliation ( industrial prices) result : cheapest concept "E. Mukherjee", second. Fritzsche
---------------------------------------------------------
Mukherjee prototyping :

instead hand curbe for system starting using a low cost electric drill ( accu or net sourced)

Bearing : ultra low friction treatment bufo.ru ,surface finishing and coating

generator/motor : Helmut Schiller high power density machine             

  3000 or 6000 or 12000 RPM work velocity ( higher RPM = less material and costs )

Bearing ( untreated)  lifetime : 3000 RPM ca. 20000 hours full-load
                                                      6000 RPM.      10000 hours
                                                    12000 RPM.        5000 hours

             bufo.ru GEO treated.     3000 RPM ca. 80000 hours full- load
                                                       6000 RPM.       40000 hours
                                                      12000 RPM.      20000 hours

Helmut Schiller 3000 RPM 1 KW motor weight : 1 Kg

                             6000.                                            : up to 1/2 Kg         


                           12000.                                            : up to 1/4 Kg

Mukherjee power unit cycle : 2 KW generator - 0,5 KW controls unit - rectification losts(+ res.) : net 1 KW output

 

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