ReFreeX technology - a simple method to reduce refrigerant by 80%

emidio · 18-03-2009, 05:31 PM

Hi Members, We have a simple digital technology to reduce refrigerant quantity by 80%. This technology can be used in every dry expansion plant.
The thermostatic valve and the liquid receiver are not required.
A plain solenoid valve, without any orifice, pulses on and off to regulate the evaporator feeding.
Details and a full example are posted on our web site micheletti.org .

**smpsmp45** · 19-03-2009, 05:40 AM

interesting articles.

**desA** · 19-03-2009, 06:15 AM

Can I respectfully ask how this compared to an electronic expansion valve, which also seems to pulse the flow?

**nike123** · 19-03-2009, 07:43 AM

Originally Posted by desA

Can I respectfully ask how this compared to an electronic expansion valve, which also seems to pulse the flow?

http://www.micheletti.org/down/d133v.pdf
http://www.micheletti.org/down/d133w.pdf

**desA** · 19-03-2009, 08:29 AM

The ReFreeX™ advantages
The environment
• 80% reduction of refrigerant charge and then greenhouse effect
• less lubricating oil thanks to refrigerant reduction
• reduced metal thickness in piping thanks to no PED (97/23/EC) applicability

How can these claims be justified, in practice? I'd like to know if other folks have used this system & what their experiences were.

Where does the 80% refrigeration claim arise from? A saving in liquid volume? This seems to be the main claim I can see.

I'm trying to understand the substance & essence of the claim - not quite sure the thermodynamics adds up in my head at the moment. I'd like more information.

georgeadam20 · 03-05-2009, 03:25 PM

hello
can you explain how can we reduce the refrigrant charge to 80%
?

Sean_nz · 06-05-2009, 06:10 AM

weird. i dont know if i belive that. how the hell can you still flood the evap with refrigerant if theres 80% less in a system?

**123-steve909** · 06-05-2009, 08:56 PM

I work for a refrigeration equipment manufacturer, woul you allow full R&D testing of your product?

regards,
steve

**Brian_UK** · 06-05-2009, 10:50 PM

Sorry guys, we have banned this user for his attempt at free advertising so he cannot answer any questions here.

**US Iceman** · 06-05-2009, 11:00 PM

Well, at least we had some fun!

**123-steve909** · 07-05-2009, 01:26 PM

saves me wasting my time!!

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