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Ev Archive for January 2002
1762 messages, last added Wed Jan 30 10:47:15 2002
[Date Index][Thread Index]

Re: An Economical Magnecharger (inductive charger)

Lee Hart wrote:
> 
> Justin Southam wrote:
> > how about cutting the I laminations so only a section of the I is
> > removed with the primary (see below).
> >    _______________
> >    \             /
> >     \___________/ paddle assembly
> >      PPP     PPP
> >  __  PPP     PPP  __
> > |  \             /  |
> > |___\    ___    /___|
> > |   |   |   |   |   |
> > |   |   |   |   |   |
> > |   |SSS|   |SSS|   | secondary assembly
> > |   |SSS|   |SSS|   |
> > |    ---     ---    |
> > |___________________|
> 
> The trouble is that now touches in 3 places. You can't machine the I
> pieces so they simultaneously touch in 3 places. There would be an
> inevitable air gap at the left, right, or center, so it would buzz or
> rattle. Same problem with the loose stack of E's and I's -- they touch
> in 2 of 3 places.



Lee, how about this (2 point "I" contact)?

       ______PPP______
       \             /
        \___________/ paddle assembly
             PPP
     __               __
    |  \             /  |
    |___\           /___|
    |   |           |   |
    |   |           |   |
  SS|   |SS       SS|   |SS    secondary assembly
  SS|   |SS       SS|   |SS
    |    -----------    |
    |___________________|

Victor