Thanks to Adolf Schneider, we now have the Schlichtig patent as in;
Date: Sat, 10 Apr 1999 18:37:46 +0200
...From: "Adolf Schneider" <firstname.lastname@example.org>
The patent number you are referring zo is US 4,506,524 by Ralph C.
Schlichtig. You will find it on the IBM Patent Sever in Washington.
I saw this table top thing work at a Global Sciences Congress in Denver
about 10 years ago. It was amazing. One probe in the air, another one
over the edge of the table. The unit had a pressure valve that was at
first on zero...as Earl talked, the gauge went up to something like
50psi (don't recall the exact number). Earl turned a valve and a
cylinder was driven to move a flywheel as the pressurized refrigerant
was released back into the cold side.
Earl said it ran on as little as 3 degrees Fahrenheit and was there
seeking investors. The greater the temperature differential, the more
torque and compression the thing would produce. To the best of my
knowledge, he made no investor contacts and I think his machine offered
amazing potential (pun intended).
Think about it...a black panel on the roof to absorb solar radiation to
heat the refrigerant to produce high pressure....in the ground or a pool
of water you have the 'cold poles' which help to cool the refrigerant
back to a liquid.
As the hot pressurized refrigerant vapor moves through a turbine to cool
and become liquid again, it drives the turbine which drives a generator
to power your house...or even your car!!!!!!
Earl was totally honest and I wish I had a hundred thousand to build a
prototype that would power a house and another that would POWER A
CAR....then videotape it...get it on the major news, swell the stock and
get serious manufacturing money....
Even a conversion kit for cars or custom installation in houses...so
many good things could come of this.
Thanks Adolph for locating the patent!!!! We all owe you for that one.
US Patent Office Search page;
For United States Patent 4,506,524 - Schlichtig - March 26, 1985;
Absorption type heat transfer system functioning as a temperature
pressure potential amplifier
An absorption type heat transfer and thermally powered temperature
pressure potential amplifier system for storing energy by distilling and
separating solute from a solution of the solute and a solvent at a low
Then amplifying and recovering the temperature and/or vapor pressure
potential difference between the solute and the solution at a higher
temperature in the form of heat transfer or its mechanical power
One working fluid is a solute having a low boiling point, the other a
solution of the solute in a solvent having a high boiling point such
that mutual solubility is poor at low temperatures as indicated by a
small vapor pressure difference between solute and solution, and in
which the vapor pressure difference between solute and solution greatly
increases at higher temperatures.
This permits the vapor pressure potential difference to be released in
the form of mechanical work when vapor from separated solute is
reabsorbed into solution in an absorber at the higher temperature.
Similarly, an amplified temperature difference exists between liquid
solute and absorbent solution in a high temperature absorber when solute
vapor passes freely into solution within the absorber.
The working fluids are circulated in a closed cycle with an intermediate
counter-flow heat exchange means for exchanging heat between separated
solute and solution moving from the colder distilling means, and
recombined warm solution returning to the colder distilling and
separating means from the higher temperature absorber.
This system utilizes low grade heat from natural sources.
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