Fluid sprinkling – spraying – and diffusing – Terminal outlet formed between parts mounted for relative... – Axially movable outlet part
Patent
1985-06-03
1987-05-12
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Terminal outlet formed between parts mounted for relative...
Axially movable outlet part
239383, 239438, 239443, 239480, B05B 132
Patent
active
046643133
ABSTRACT:
A water ejecting gun simultaneously produces two kinds of ejecting flows, a straight flow and a spray flow. The gun disposes a rotating or spiral fan element in a water passage for producing the spray flow. The straight flow acts as a carrier for the spray flow. A mechanism for producing the spray and straight flows includes an inner sleeve, an outer sleeve rotatably and axially movable on the inner sleeve, a nozzle element disposed in the inner sleeve which defines a main flow passage and a sub-flow passage and a frusto-conical core element engaging the upstream end of the nozzle element to form a variable gap therebetween. When the gap is open, water flows to the main flow passage. When the gap is closed, a smaller water flow to the main flow passage occurs through radial and axial passages in the core element. The straight and spray water flows exit the gun simultaneously through an ejecting opening. Since the spray flow is made of numerous fine water particles, the flow can efficiently extinguish the fire while reducing damages to interiors ordinarly caused by ejected water.
REFERENCES:
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patent: 719849 (1903-02-01), Oberwalder
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patent: 2416719 (1947-03-01), Stockdale
patent: 2621076 (1952-12-01), Barton
patent: 3363842 (1968-01-01), Burns
Edelbrock Daniel R.
Kashnikow Andres
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