Baths – closets – sinks – and spittoons – Disinfection
Patent
1990-05-02
1992-09-01
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Disinfection
222522, A61L 216, E03D 902
Patent
active
051427079
ABSTRACT:
A unit for injecting a disinfectant, deodorant or the like into the inlet stream of flushing water as it is pumped into the bowl of a tankless marine toilet. The injection unit is preferably constructed of commercially-available plastic plumbing components. The main body of the unit provides an additive reservoir which surrounds the flush water inlet pipe and is formed from a conventional plastic sanitary tee jointed fitted at each end with plastic size-reduction bushings. The two bushings connect the injection unit to the flush water inlet tubing and also support an interior flow pipe. Holes drilled at angles in the flow pipe divert a portion of the flush water through the additive reservoir where it mixes with and dissolves the additive (normally a water soluble disk of the type typically placed in the tank of a household toilet). A slidable elastic ring surrounding the interior flow pipe may be adjusted to vary the amount of diverted fluid and hence the amount of additive injected into the flush water stream. The unit further provides an access opening for introducing fresh water into the vessel's plumbing system for cleaning, and/or to introduce cleaning, lubricating or winterizing materials into the plumbing system to simplify maintenance. A flushing cap and hose may be attached to the injection unit to introduce a cleaning or winterizing solution to be pumped into the system from a supply container.
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