Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Reissue Patent
2007-08-13
2010-10-26
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
C239S461000, C239S490000, C239S505000
Reissue Patent
active
RE041864
ABSTRACT:
In a spray nozzle (10), a carrier (12) defines a spray aperture (20), a groove (30) surrounding the spray aperture for receiving an o-ring (32), a first locating bore (26) for slidably receiving an orifice plate (14) seated against the o-ring (32) and for aligning the orifice plate with the spray aperture, and a second locating bore (28) for slidably receiving a swirl unit and aligning the swirl unit (16) with the orifice plate and spray aperture. The swirl unit (16) defines on its peripheral surface a recessed flat (58) forming a fluid passageway between the swirl unit and carrier. The swirl unit (16) includes a swirl chamber (60) defined by a curvilinear surface (62) formed within the swirl unit, and an inlet port (64) formed in fluid communication between the swirl chamber and fluid passageway. The nozzle body (18) is threadedly received within the carrier (12) behind the swirl unit (16) to axially press the swirl unit, and in turn press the orifice plate (14) against the adjacent surface of the carrier.
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Photograph of Prior Art Swirl Unit (“Swirl Unit 1”); Manufactured by Delevan Spray Technologies; date: more than one year prior to Sep. 3, 1997.
Photographs (4) of Prior Art Swirl Unit (“Swirl Unit 2”); Manufactured by Delevan Spray Technologies; date: more than one year prior to Sep. 3, 1997.
Bassett Thomas A.
Betsold Matthew P.
deLesdernier Daniel T.
Dziadzio Douglas J.
Mueller Paul J.
Bete Fog Nozzle Inc.
Hwu Davis
McCarter & English LLP
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