Patent ID: 7779864

Claim:
In combination with a pipe, said pipe having a cylindrical wall with a central axis, providing for a substantial flow of liquid including flow from an upstream location to a downstream location, apparatus to infuse a treatment substance into a mainstream flow of liquid, said apparatus comprising: (a) a diversion conduit for externally providing a diversion flow of liquid from said upstream location to said downstream location, said diversion conduit receiving liquid from said mainstream; (b) a booster pump receiving said diversion flow and boosting its pressure; (c) an aspirating injector receiving diversion flow from said pump and injecting a proportioned amount of treatment substance into said downstream conduit; and (d) a plurality of pairs of nozzles, each pair being spaced apart linearly from its adjacent pair or pairs, each nozzle having an axis, each nozzle receiving a substantially equal portion of said diversion flow with treatment substance, each nozzle so disposed and arranged as to inject its respective stream into said pipe in the general direction of the opposite member of its pair of nozzles.