Re: "Diffusion" pumps

To: neon-l@netcom.com
Subject: Re: "Diffusion" pumps
From: Al Hooton <al@sight-n-sound.com>
Date: Sun, 19 Nov 1995 12:37:02 -0800
Reply-To: neon-l@netcom.com
Sender: owner-neon-l@netcom.com

        Since we're on the topic, here's another question I've been
thinking about as a newbie: what are the possible 'schematics' for hooking up
a mechanical and diff/aspirator pump to the manifold?  It seems there
would be three possibilities, depending on how each of the pumps is
manufactured (beware: Really Bad Ascii Art follows).

1)  manifold ---------- mech. pump ---------- diff/aspirator 

2)  manifold ---------- diff/aspirator ---------- mech. pump

                        |------- mech. pump
3)  manifold -----------|
                        |------- diff/aspirator


        It seems to me that #3 makes the most sense, but are the
others common, or used at all?

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Follow-Ups:

Re: "Diffusion" pumps

From: "Howard B. Cohen" <ohbc@sunyit.edu>