Another vacuum generator question

[davidkerryedwards]

A little off topic, but. . . I just ran across this patent for a
new(?) device which claims to do precisely what you describe our
vacuum generators accomplish. Did someone fail to patent the original?

http://72.14.253.104/search?q=cache:egDT...nsati\
ng-venturi-vacuum-system-dt20060209ptan20060027235.php+self-regulating+venturi+v\
acuum+pump&hl=en&gl=us&ct=clnk&cd=5

Kerry
82 FC 35
Denver

--- In WanderlodgeForum@yahoogroups.com, "bluebird3208" wrote:
>
> --- In WanderlodgeForum@yahoogroups.com, "davidkerryedwards"
> wrote:
> >
> >The generator is a venturi unit as you know. It has a valve in it
> controlled by a diaphram. Air passes by the venturi and is vented. The
> vented air includes the air it pulls with it to create a vaccum. when
> enough vacum has been generated, the sensing line "s" pulls the
> diaphram and closes the valve. If you connect the vacum line to the
> sensing line no air should be comming out of the vent. If it does the
> diaphram has a hole in it. The vaccum line and the sensing line should
> be routed to a vaccum canister to hold enough vaccum to operate the
> billows of the cruise control. Once the canister gets enough vaccum in
> it the sensing line closes the the valve. I had my fill of the entire
> unit and replaced the curise control with an electric unit. It works
> very well is on fourth the size and is remoted outside of the engine
> compartment.
>
> Hope this helps,
>
> Jim
>
> Yorba Linda, CA
> 82 35 FC
>