Hose nozzle with high pressure pump

Details Hose nozzle with high pressure pump Hose nozzle with high pressure pump

1987-12-14

1988-12-20

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

239438, 239525, 417525, 417554, B05B 1502, B05B 904

Patent

active

047920963

ABSTRACT:
A nozzle with self-contained high pressure booster pump is carried on a pistol grip handle with a small motor to drive the eccentrically-pump. A portion of the water from a conventional hose fitting flows laterally into a pump cylinder and then radially through the piston itself to exit axially through a check valve and into the pump chamber ahead of the piston. During the working stroke the water is driven out of the piston into a pressure chamber and then through a restricted passageway to exit in a jet stream. Another portion of the supply water is diverted around the pump cylinder to the same nozzle to flush away debris loosened by the jet stream.

REFERENCES:
patent: 1722960 (1929-07-01), Funston
patent: 3670967 (1972-06-01), Fahlin et al.
patent: 3977603 (1976-08-01), Magee, Jr.
patent: 4393993 (1983-07-01), Kille et al.

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