Coils for ION ... still a bust somewhat

[garfield at pilgrimhouse.com]

On Sun, 31 May 1998 11:40:02 -0700, "H. J. Zivnak"
<bztruck at email.msn.com> wrote:

>Have a look at  http://mot-sps.com/automotive/ignition3.html .

Hey Joe.

Yeah, now that IS an interesting lil page, idn't it? I take this to mean
that the automotive world is rolling in that direction, and MOTO is just
showing that they'll be there with parts to support those that use this
tech. Also remember that Moto and GM are pretty tight as far as OEM
parts are concerned, and also that GM now has this ION technology in
their "stable", since they now own SAAB. So I wouldn't be at all
surprised to see further incarnations of it in GM cars (and Moto OEM
assemblies) in the future. But "in the future". Not now.

>Motorola is trying to sell Ignition Drivers and IGBTs but the schematic is
>interesting in that it shows an isolated secondary coil on plug type coil.
>Looks very familiar. If it included ion sense I'd know from where it came.

Yeah, but we MAY be jumpin to conclusions here, cuz ya gotta look at the
schematic *vewy cwosely*, as Elmer Fudd would say. They show NUTHIN in
the secondary leg to suggest that this is anything more than diagnosing
if the coil primary is open or not, at the moment. I've never seen
anyone suggest they could remotely sense the ionization current in the
secondary/plug, via the primary winding. You'd be talkin
"electro-clairvoyance" at those signal levels! Hey, but whatawino? That
too may be waiting in the wings.

>Don't know that this concept was used by anyone other than Saab, but it's
>the first reference I've seen other than theirs.

>In theory, theory and practice are the same..... In practice they are not!

Yeah, barring any significant problems with this tech (which I doubt,
with Saab's deployment without change since '92), we've gonna see more
and more of it popping up.

Gar