Rex Doane wrote:
> What is proprietary about a current regulator? > > This has been a standard electronic circuit for over 30 years (older than > that in the tube version). > > National Semiconductor came out with an integrated circuit version in the > 70's, I believe, the LM334 -- the data sheet is available at > http://www.national.com/ds/LM/LM134.pdf (The LM334 is the cheap commercial > version of the LM134). It costs about a dollar. > > It has 3 terminals V+ V- and R. It's been years since I actually used one, > but as I read the data sheet, the V+ goes to the Plus terminal of the > battery, the V- terminal will go to the silver electrode and the other > electrode goes to the Minus terminal of the battery. The current setting > resistor is connected between V+ and R -- . It looks like a 68 ohm resistor > will set the current to a steady 1 milliamp with a battery range of about 3 > volts to 40 volts. > > Or am I missing something? > > Rex > > > Yes, current limiting does work and quite well. We have a current > regulator > > in our generators which hold the current at 1 milliampere throughout the > > whole operating time. The end product is always the same: uniform small > > particle size and little or no fallout. > > > > I would post the circuit for the members but after all we are in business > to > > sell generators, not to give our proprietary circuit away. > > > > One way to control current is to place a variable resistor and > milliammeter > > in series with one electrode and adjust the resistor to maintain the > current > > as desired. This will take a lot of effort on your part as the current is > > always changing as silver is being deposited in the water. It is much > > better to use an automatic regulator. Guesswork and your constant time > > spent watching a meter are eliminated. > > > > DO NOT use tap water. It can contain minerals which will react with the > > silver to form chlorides. All you want at the end of the operation is > > colloidal silver particles in the water. If you want minerals, take them > > separately. Some silver salts can be detrimental to you. Surely you can > > afford a dollar for a gallon of distilled water in the supermarket. > > > > Trem > > [email protected] > > > > > > > > ----- Original Message ----- > > From: <[email protected]> > > To: <[email protected]> > > Sent: Saturday, July 31, 1999 10:51 AM > > Subject: Re: cs from tap water & limiting current flow > > > > > > > Mike wrote > > > > > > << Perhaps if we limited the current to a few milliamps like we do on > > > some of our current rigs the particle size would improve? Might be an > > > answer to the tapwater question. Anybody wanna try an experiment? > > > > > > Be well, > > > > > > Mike >> > > > > > > There has been a some postings about limiting current flow to get > smaller > > > particles in the past. > > > > > > Experience has shown me that even as little as 27VDC does produce larger > > > particles, when using non distilled water of any kind. But voltage > doesn't > > > cause it, current flow it the problem. > > > > > > Would limiting the voltage, say to 12VDC, reduce current flow? Would it > be > > > best to start with 27VDC and then reduce the voltage as current flow > > begins > > > to increase, like you can do with a light bulb to increase and decrease > > the > > > brightness? > > > > > > If I remember correctly there was some postings on monitoring the > process > > > until it reached a set milliamps. What if we could control the current > > flow > > > at an optimal level? Would we be able to produce small particle high PPM > > > batches even with LVDC units? > > > > > > (Was I the one that said we were making things to complicated?) :-) > > > > > > Still I think Mike has an exciting idea. > > > > > > To bad I don't know much about electricity. > > > > > > I too would like to see a discussion on this "limiting current" in > > relation > > > to how it can be done on the simple low voltage units. > > > > > > Once a person knows how to limit current it should work equally well > with > > > distilled or non distilled water. > > > > > > Then, of course, will come the questions of how much current limiting > > should > > > be done, as we seek the optimal levels, and the time increase for making > a > > > batch. But that is the cost of progress and, in my view, one of the > > reasons > > > for this list. > > > > > > Sadly, as Mike has said, we have lost many of our high tech members, but > I > > > think there are enough minds still on to tackle this. > > > > > > Larry > > > > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > To join or quit silver-list or silver-digest send an e-mail message to: > [email protected] -or- [email protected] > with the word subscribe or unsubscribe in the SUBJECT line. > > To post, address your message to: [email protected] > > List maintainer: Mike Devour <[email protected]> -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] List maintainer: Mike Devour <[email protected]>
