SPRAYER FOR FINE SPRAYING OF GAS-AND-LIQUID FIRE-EXTINGUISHING MIXTURE WITH PROBABLE SOLID REACTING ADDITIVES Russian patent published in 1995 - IPC

Abstract RU 2033217 C1

FIELD: fire fighting technique. SUBSTANCE: sprayer has cylindrical housing 1 with outlet hole and screw feeder 3 arranged inside it; feeder 3 has multiple-start threads 4. Similar threads 2 are additionally made on inner surface of housing 1. Threads 2 and 4 have varying pitch reducing towards outlet hole. Threads are fastened together at tops of their fins. Screw feeder 3 is provided with taper tips 5 forming the jet of gas-and-liquid flow. EFFECT: enhanced efficiency. 3 dwg

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RU 2 033 217 C1

Authors

Lifar V.I.

Budovskij M.T.

Vasil'Ev Ju.A.

Dates

1995-04-20—Published

1993-07-06—Filed