Fluid sprinkling – spraying – and diffusing – With means to vibrate or jiggle discharge – By electric transducer
Reexamination Certificate
2005-02-22
2005-02-22
Mar, Michael (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With means to vibrate or jiggle discharge
By electric transducer
C239S004000, C239S102100
Reexamination Certificate
active
06857580
ABSTRACT:
A piezoelectrically actuated liquid atomizer device which applies alternating voltages from an ordinary wall outlet to a piezoelectric actuator intermittently and at a high rate sufficient to cause an atomization plate which is vibrated by the actuator to form small droplets from liquid which is supplied to the plate. The intermittent application of voltages to the piezoelectric actuator is carried out according to a duty cycle in which the off times are adjustable. An override of the duty cycle is provided so that the piezoelectric actuator operates continuously for intervals which are manually or automatically controlled.
REFERENCES:
patent: 5170782 (1992-12-01), Kocinski
patent: D335530 (1993-05-01), Schimanski
patent: 5657926 (1997-08-01), Toda
patent: 5803362 (1998-09-01), Fraccaroli
patent: 6085740 (2000-07-01), Ivri et al.
patent: 6296196 (2001-10-01), Denen et al.
patent: D464416 (2002-10-01), von Dohlen et al.
Denen Dennis J.
Helf Thomas A.
Knittle John J.
Martens, III Edward J.
Stonis Luke
Bui Thach H
Mar Michael
S.C. Johnson & Son Inc.
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