More DIY EGOR

[944 Technologist]

I am coming into this in the middle here. Forgive the question if it has already been answered........... Do I understand this correctly, that this design does not use a exhaust gas temperature sensor?

FR Wilk

>From: RDwoo10 at aol.com
>Date: Fri, 17 Nov 2000 00:26:35 EST
>Subject: Re: More DIY EGOR
>To: diy_efi at diy-efi.org
>Reply-To: diy_efi at diy-efi.org
>
>Maybe i am missing something but i think that is the opposite of what you 
>want to do.  if the temp is moving up & down then you want the current 
>(Power, heaters are power devices) to change as well.  that is why the 
>feedback is in the heater circuit to continually monitor the feedback off of 
>the heater to "figure out" what the temp of the sensor is.  this way if the 
>temp goes up the resistance goes up.  so we need to drive the heater less to 
>keep the temp of the heater @ the running temp.  if we provided it with a 
>constant current source it would always use the same power & the temp of the 
>sensor would go up & down with the exhaust temp.  
>
>any of the real EE's can jump in here, if i am all wet.  
>
>Bob Wooten
>----------------------------------------------------------------------------




------------------------------------------------------------
--== Sent via Deja.com http://www.deja.com/ ==--
Before you buy.


----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org