Voltage regulator

[Greg Hermann]

>>
>	I have also been following this thread.  Yes PWM is a great way to control
>a motor, especialy if accuracy in speed or position is required.  This
>would be of great advantage if the return line to the tank can be
>eliminated by using PWM and a presure sensor.
>
>				Todd Israels
>
There was a thread a couple of months ago, on this subject--some auto
mfgrs. are now beginning to do exactly this, although, I am quite certain,
mostly in the interest of less parts and less fuel line, together with
lower evap emissions potential, rather than in the interest of a better
system.

I would maintain that it would be BEST to use PWM control of the fuel pump
TOGETHER WITH a mechanical pressure regulator. Belt AND suspenders
approach, but it would maintain some circulation of fuel through the system
(so as to keep it cool and purged of any vapor) as well as allowing
extremely accurate, consistent function of the mechanical fuel pressure
regulator.

Regards, Greg