90.degree. rotation nozzle assembly with swirl chamber configura

Details 90.degree. rotation nozzle assembly with swirl chamber configura 90.degree. rotation nozzle assembly with swirl chamber configura

1994-09-21

1996-06-18

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

239490, B05B 134

Patent

active

055269850

ABSTRACT:
The 90.degree. rotation nozzle assembly for a trigger sprayer comprises a nose bushing and a nozzle cap rotatably mounted on the nose bushing. The nose bushing has a front core with a front face and a generally cylindrical periphery. The generally cylindrical periphery has first, second and third, angularly spaced apart, longitudinally extending channels therein which open onto the front face of the core and extend rearwardly therefrom. The nozzle cap includes a front wall having a back side and a cylinder having an inner cylindrical wall surface and extending rearwardly from the back side of the front wall to a rear end of the cylinder. The front wall has a discharge orifice therethrough and the back side of the front wall has a swirl chamber formed therein in the area of and communicating with the discharge orifice. The back side also has first and second nondiametrically disposed radial slots therein that extend radially inwardly from the cylindrical wall surface to the swirl chamber and first and second nondiametrically disposed tangential slots therein that are angularly offset from the radial slots and that extend from the cylindrical wall surface tangentially to the swirl chamber.

REFERENCES:
patent: 3843030 (1974-10-01), Micallef
patent: 3967765 (1976-07-01), Micallef
patent: 4234128 (1980-11-01), Quinn et al.
patent: 4365751 (1982-12-01), Saito et al.
patent: 4516695 (1985-05-01), Garneau
patent: 4706888 (1987-11-01), Dobbs

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