h a l f b a k e r yAssume a hemispherical cow.
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Filtered water pitchers have a major drawback -- it is
difficult to fill them up in one setting, as the water tends
to drip slowly through the filter and the upper, typically
smaller chamber fills quickly.
Turning on a very slight water drip on the
faucet such that the upper chamber does
not fill up too
quickly, and then standing there, is not very exciting.
Conversely, just letting the water flow freely and
overflow
would eventually work to fill the pitcher, but appears
quite wasteful.
Introducing the lifting filter water pitcher. In this
pitcher,
the filter initially rests at the bottom of the chamber,
thus
allowing one to fill up the pitcher quite nicely.
When the pitcher is full and the lid closed, an external
(optionally powered) mechanism drives the filter, which
is
flush to the pitcher walls, up said walls, substituting
mechanical labor for pure gravity in driving the water
past
the filter.
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Annotation:
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So, a sort of upside-down cafetière ? |
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Couldn't you just attach the filter to something buoyant? |
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I had a filtered pitcher which was 50-50. The upper half was
unfiltered, the lower half filtered. The pour spout led to the
lower chamber, the upper had a sealed lid. Each side maybe
held a half-liter. |
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Isn't the purpose of the filter to make the water less, not
more, poor? |
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