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In laboratories, there are little devices, called aspirators,
or venturi vacuum pumps <link>. They use flowing water to
provide a modest-volume vacuum. Now, imagine one of
these is connected to a small footswitch in front of the
toilet. One you can put your foot on by either sitting on, or
in front of the toilet. The footswitch activates
water flow through the aspirator. The water is regular
mains water, deposited straight in to the waste pipe after
the U bend. This creates an air-vacuum. This should be
connected to small holes under the rim of the toilet. When
running, you will now have a low pressure area in the bowl
of the toilet. Any foul air that happens to find itself in the
bowel will now move into those holes, and into the waste
The second conformation, the standing male-pee
conformation, will also benefit. The low pressure inside
the bowl will create a downward moving column of air.
Helping guide any errant drops.
[bs0u0155, Feb 05 2015]
Pressure assisted Flushmate, in case anyone is interested
[dentworth, Feb 16 2015]
||No I say!
This excrement idea shall not just drop into the cesspool without a thorough flushing of the details!
It will not be wiped out in the end!
||But perhaps my praise of this concept is a bit too strongly effluvient.
||good enough. I don't understand much of what you said but sounds good.
||stupid low flow toilets don't have much water available (is that just a US thing?) but some now have powerful air suction to pull all the water down and I guess the fumes with it.
||Whenever I read this I think of a cold swirly gone on too long.
||low flow every damn thing. It doesn't take nearly as long to
fill a kettle in the UK as it does here. The worst thing is that
the taps are designed to incorporate air in the stream,
they're trying to trick you into thinking it's more meaty than
||//foul air that happens to find itself in the bowel// - well, quite.