CRYOGENICS PUMP?

[Pat Ford]

On Fri, 12 Feb 1999 WATCHmeDRV at aol.com wrote:

> Date: Fri, 12 Feb 1999 22:25:31 EST
> From: WATCHmeDRV at aol.com
> To: gmecm at efi332.eng.ohio-state.edu, diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: CRYOGENICS PUMP?
> 
> In a message dated 2/12/99 4:28:47 AM Eastern Standard Time, james at brc.ubc.ca
> writes:
> 
> << I've never seen such a pump.  Liquid N2 is delivered in a pressurized 
>  container (like propane).  We just open a valve and pour it out of the hose 
>  into the container we need it in.  It lasts for a surprisingly long time 
>  before evaporating.  What's your application?
>  HTH
>  jw
>

propane is pumped, why not try to get a liquid propane pump. in most 
parts of ontario you can find propane filling stations for cars and trucks
there is a small pump with what looks like a 1/4 hp electric motor

hope this helps

  
> I am pumping N2O not N2, N2O is nitrous oxide it is stored in a container at
> 1100psi. 
> It boils at -130 to -140F at atmosphere pressure. I would have to have a pump
> to do it or have my supply bottle at about 90 to 100F and the bottle that I
> want to fill at about 32F (put it in the freezer overnight) This works I have
> done it several times to fill my NOS bottles for my drag car. The problem is
> that I have to then heat the bottle back up to about 100F to get my pressure
> of about 1000 to 1100psi that I need for nitrous injection in my dragcar. An
> air operated pump would will fill a 10lbs. bottle in about 5 to 7mins. NOS,
> COMPUCAR, and NITROUS WORKS sell these pumps but they are to proud of them, I
> would like to find a pump that is in the $100 to $200 range.
> 
> THANKS,
> DETROIT AMERSON
> 

Pat Ford                           email: pford at qnx.com
QNX Software Systems, Ltd.           WWW: http://www.qnx.com
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