GEK Wiki / Fuel feed level sensor
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Fuel feed level sensor

Page history last edited by jim mason 10 years, 10 months ago






here's the new "limit switch" we're using to control the auger feed. we have gone round and round on solutions for this. finding something that is robust in use, easy to make, cheap to buy, flexible across fuel types, and without lots of supporting problems and tech to install, has been very difficult.

we went through the ir led solutions and found them too touchy and with too many wires. we've made our own straight plunger with the switch externalized, and all the tensions adjustable. we've gone through all the regular solid materials handling solutions and found the prices not tolerable for the individual power solutions we're trying to enable, but here, finally, we found something we like.

this is a flow switch for to sense moving liquids. it is fully sealed and with the electronics well separated from the inside vessel. it comes with 4 paddle options of different lenghts, all of them flexible so they spring against the fuel, helping a bit with breaking up bridges. they have a standard npt plumbing fitting so you can mount it easily. thus it is backward compatible with all auger and pyrocoil versions shipped to date.

this is what we are shipping with augers and pyrocoils as of 1/21/10. we can upgrade the level switches on older gek augers at our cost for the switch unit. please write if you want/need the upgrade.

(note also that we now use a "banjo" lid to connect the auger drying bucket to the reactor.  this is what is shown in the pictures above.  this replaces the previous "doghouse" reactor lid. if you use the pyrocoil, you use neither the doghouse or banjo lid, as the pyrocoil is what connects the auger drying bucket to the reactor, but with the added heating stage of the pyrocoil. the auger drying bucket and pyrocoil together is what makes the TOTTI.)





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