Spraying head assembly

Details Spraying head assembly Spraying head assembly

2007-08-09

2008-12-16

Ganey, Steven J (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Line fluid operated

C239S463000, C239S491000, C239S533100, C239S533150, C239S570000, C239S596000, C239S600000

Reexamination Certificate

active

07464885

ABSTRACT:
A spraying head assembly has a tubular body, a cap, an upper plug, a lower plug and a spring. The cap is attached to the body and has a spraying channel, a conical cavity and a spraying hole. The conical cavity is defined inside the cap and communicates with the spraying channel and the spraying hole. The upper plug is held in the body and comprises a spraying end, a connecting end, a head and shaft. The head has a recess communicating with the spraying channel having a conical bottom. Multiple passages are defined in the head and communicate with the recess. The lower plug is mounted movably in the chamber in the body and is connected to the upper plug using the spring. In this arrangement, a liquid supplied to the connecting end forms vortexes in the body to reduce particles of liquid nebulization and raise ejection speed and therefore distance.

REFERENCES:
patent: 1220279 (1917-03-01), Sexton
patent: 3889881 (1975-06-01), Cunningham et al.
patent: 5002230 (1991-03-01), Norskov et al.
patent: 6415994 (2002-07-01), Boggs

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