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Self-pumping solar heating system with geyser pumping action

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Posted by David Dalenay on September 21, 2004, 6:14 am
 
I just posted an interesting patent on my web site at
<http://www.geocities.com/~dmdelaney/geyser/Solar-geyser-pump.html>

Self-pumping solar heating system with geyser pumping action US patent
number 4,478,211

A mechanism by which a solar collector can pump hot fluid down to a
storage tank located well below it. No moving parts. Powered by solar
thermal energy.

From the summary of the invention:

Important objectives include the provision of a solar heating system
which is self-pumping by means of geyser pumping without use of
electrical energy or pumps, yet which has the desirable features of a
pumped loop system, namely optimum location of system components such
as a storage receptacle located below the solar collector; the
provision of a system which is self-regulating and operates on demand
when the positive temperature difference between the solar collector
and the storage receptacle is great enough, requiring no sensors,
controllers, or valves; the provision of a system which does not
thermosiphon or pump backward when not operating and, therefore, does
not lose heat from the storage receptacle; the provision of a system
which requires little or no maintenance, has a long lifetime and a low
lifetime cost.


David Delaney, Ottawa

Posted by Ecnerwal on September 21, 2004, 12:25 pm
 


Sounds rather like the "copper cricket" collectors. They were quite
popular in the 1990s, but seem to have faded away.

--
Cats, Coffee, Chocolate...vices to live by

Posted by David Dalenay on September 21, 2004, 5:32 pm
 On Tue, 21 Sep 2004 12:25:43 GMT, Ecnerwal


A Google search with the target <copper-cricket haines>  confirms that
the copper cricket was manufactured and sold by a company started by
the first inventor of  US patent 4,478,211, Self-pumping solar heating
system with geyser pumping action. I will modify my web page to
mention this.

David Delaney, Ottawa

Posted by David Delaney on September 21, 2004, 5:35 pm
 On Tue, 21 Sep 2004 13:32:09 -0400, David Dalenay


Yipes! I thought Ecnerwal had mispelled my name until I saw the last
post.

David Delaney


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