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'[OT] searching for a 9-12VDC air pump'
2005\11\22@104529 by alan smith

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I'm looking for a small, QUIET air pump, running on 9-12VDC, lowest possible current consumption as it may end up being in a handheld device.  Pretty much all the info I have right now, doesnt need to pull/push alot of air, mainly just to evacuate gas from a tube.
 

               
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2005\11\22@110950 by olin piclist

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alan smith wrote:
> I'm looking for a small, QUIET air pump, running on 9-12VDC, lowest
> possible current consumption as it may end up being in a handheld
> device.  Pretty much all the info I have right now, doesnt need to
> pull/push alot of air, mainly just to evacuate gas from

Fish tank air pump?

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2005\11\22@113055 by Harold Hallikainen

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> alan smith wrote:
>> I'm looking for a small, QUIET air pump, running on 9-12VDC, lowest
>> possible current consumption as it may end up being in a handheld
>> device.  Pretty much all the info I have right now, doesnt need to
>> pull/push alot of air, mainly just to evacuate gas from
>
> Fish tank air pump?
>

Try http://www.apollopumps.com/

Harold


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FCC Rules Updated Daily at http://www.hallikainen.com

2005\11\22@115508 by alan smith

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I believe these are what I am after.  This is used to evacuate a gas from a line, in a lab enviroment. Basically designing a one off circuit to control a manifold that accepts different gases to be fed to an analysis unit, so the pump will be on the other side of the lab gear to "pull" the gas thru the instrument as well as to evacuate the system after.
 
 

Harold Hallikainen <spam_OUTharoldTakeThisOuTspamhallikainen.com> wrote:
 
> alan smith wrote:
>> I'm looking for a small, QUIET air pump, running on 9-12VDC, lowest
>> possible current consumption as it may end up being in a handheld
>> device. Pretty much all the info I have right now, doesnt need to
>> pull/push alot of air, mainly just to evacuate gas from
>
> Fish tank air pump?
>

Try http://www.apollopumps.com/

Harold


--
FCC Rules Updated Daily at http://www.hallikainen.com

2005\11\22@133439 by Neil Baylis

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Inkjet printers contain very quiet, low power peristaltic pumps. They use
them to create pressure, but can be used to create vacuum as well. I've
pulled apart a bunch of these printers, but have thrown away all the pumps,
cause I couldn't think of a use for them.

Neil



On 11/22/05, alan smith <.....micro_eng2KILLspamspam@spam@yahoo.com> wrote:
{Quote hidden}

>

2005\11\22@160626 by Jinx

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> I'm looking for a small, QUIET air pump, running on 9-12VDC,
> lowest possible current consumption as it may end up being in
> a handheld device.  Pretty much all the info I have right now,
> doesn't need to pull/push alot of air, mainly just to evacuate gas
> from a tube

Those things just don't work. Be happy with what God gave you

2005\11\22@165153 by Marcel duchamp

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Jinx wrote:

>>I'm looking for a small, QUIET air pump, running on 9-12VDC,
>>lowest possible current consumption as it may end up being in
>>a handheld device.  Pretty much all the info I have right now,
>>doesn't need to pull/push alot of air, mainly just to evacuate gas
>>from a tube
>>    
>>
>
>Those things just don't work. Be happy with what God gave you
>
>  
>
Hmmm. Would that be from, well, er, uh, first hand experience?


2005\11\22@171616 by Jinx

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> >Those things just don't work. Be happy with what God gave you
> >
> Hmmm. Would that be from, well, er, uh, first hand experience?

You have a story too ? ;-)))

Tried to get to Penn & Teller's series

http://www.sho.com/site/ptbs/home.do

"Sorry

We at Showtime Online express our apologies; however, these
pages are intended for access only from within the United States"

Weird - never seen that before

But you can find more info on the subject in Season 1, Episode 6

http://en.wikipedia.org/wiki/Penn_&_Teller:_Bullshit!

(note that the "!" has left the link)

But we're (I'm) besmirching Alan Smith's good name and intentions

2005\11\22@173145 by Russell McMahon

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face
> I'm looking for a small, QUIET air pump, running on 9-12VDC, lowest
> possible current consumption as it may end up being in a handheld
> device.  Pretty much all the info I have right now, doesnt need to
> pull/push alot of air, mainly just to evacuate gas from a tube.

Other links look good.
A peristaltic pump seems the way to go.
However, consider the possibility of an aquarium pump intended for
mains 50 Hz Ac operation with a pulsed supply. I haven't yet tried
this but will be doing so 'in the next while" for an application I
have. For a one off a COTS unit may be best for you but the aquarium
pump has the advantage of availability and (fwiw) probably of cost.

       RM

2005\11\22@191855 by Steph Smith

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face
why not look into the low consumption pumps used for solar water heating?the
one i saw in action ran on low dc voltage straight off a solar cell and was
the same size as a car windscreen\shield washer pump.Air being a fluid,the
pump seals 'should' work at low pressures.
{Original Message removed}

2005\11\22@232930 by Denny Esterline

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My local pharmacy sells a blood presure cuff that is self inflating and runs
on 4 AA cells. I haven't disected one but it stands to reason they have pump
that should meet your needs. Retail the run about $50 USD.

-Denny

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