Uniform droplet spray nozzle for liquids

Details Uniform droplet spray nozzle for liquids Uniform droplet spray nozzle for liquids

2007-03-06

2007-03-06

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

C239S463000, C239S469000, C239S417500, C239S424500

Reexamination Certificate

active

10871899

ABSTRACT:
A liquid spray nozzle configured to provide a relatively uniform droplet size spray having a nozzle body, a flow passage disposed in the nozzle body, a turbulent flow mechanism in the flow passage, a flow separating mechanism in the flow passage and a converging mechanism at the nozzle body outlet. The turbulent flow mechanism, preferably a cylindrical pin, induces turbulent flow to the fluid stream flowing through the passage. The flow separating mechanism, also preferably a cylindrical pin, separates the turbulent flow into two separate, diverging streams. The converging mechanism is configured to direct the two streams together such that the colliding thereof produces a spray made up of substantially uniform sized droplets. Preferably, the converging mechanism is an orifice plate having two outwardly extending deflecting members and a generally oval-shaped opening and the nozzle body is adapted to threadably connect to a hose or other conduit.

REFERENCES:
patent: 3780952 (1973-12-01), Huang
patent: 4510874 (1985-04-01), Hasenack
patent: 4667877 (1987-05-01), Yao et al.
patent: 6196831 (2001-03-01), Dugue et al.
patent: 6338439 (2002-01-01), Goenka et al.
patent: 6378788 (2002-04-01), Skeath et al.

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