[Diy_efi] Interesting Ford patent

[Tomas Sokorai Sch.]

from the patent:
"...to change the selected cylinders from power producers to power absorb=
ers."
does this mean advance until *knock* !?=20
How much knock is really harmless?


On Wednesday 21 August 2002 01:58, Perry Harrington wrote:
> Hello,
>
> I came across 2 patent numbers referenced on a Ford EEC-IV computer cas=
e
> sticker. They have to do with ignition timing and periodically advancin=
g
> each cylinder's timing in order to effect a self cleaning mechanism.  T=
he
> patent goes into detail about the circuit and theory of operation of th=
e
> ignition system.  The patent is now expired to boot.  The patent number=
 is
> 4116173 and it can be found here:
>
> http://patft.uspto.gov/netacgi/nph-Parser?Sect1=3DPTO1&Sect2=3DHITOFF&d=
=3DPALL&p=3D
>1&u=3D/netahtml/srchnum.htm&r=3D1&f=3DG&l=3D50&s1=3D'4116173'.WKU.&OS=3D=
PN/4116173&RS=3DPN
>/4116173
>
> --Perry

--=20
Tomas J. Sokorai Sch.
Socio director, Gerente Proyectos Especiales
Xperts Ltda. F: 63 244591 Chile



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