[modeleng] Automatic water feed pump
- From: "Alan Stepney" <alan@xxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sat, 12 Jan 2008 22:01:30 -0000
Some years ago there was a short series in ME on an automatic (loco?) boiler
feed pump.
As far as I recall, it used a piston in a cylinder to "sense" the density of
fluid at a specific level in the boiler, and if that was water, held the
actual pumping piston closed, and if not, it allowed it to move thus pumping
water into the boiler.
I believe it was published in the 70's, possibly earlier.
Can anyone with a better memory than mine, or with better luck at the index,
let me know who wrote it, or when it was?
http://www.alanstepney.info
Alan Stepney's Model Engineering, steam, and workshop pages.
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