Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Reexamination Certificate
2006-08-08
2006-08-08
Nguyen, Dinh Q. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
C239S585100, C239S585500, C239S407000, C239S417500, C251S129210
Reexamination Certificate
active
07086613
ABSTRACT:
A solenoid-operated liquid spray gun having a lightweight, corrosion resistant plastic housing which enables the spray gun to be mounted on and be more easily moved by robotic transfer devices. To effect the necessary flux loop within the plastic-housed spray gun for reciprocating a valve plunger in response to energization of the solenoid coil, the spray gun includes a radially disposed flux-directing member adjacent at least one end of the coil. The flux-directing member, while extending radially outwardly a distance less than the diameter of solenoid coil, effects efficient flux direction for operating the solenoid notwithstanding the lack of a magnetic conductive medium provided by the metal housing of conventional solenoid-operated spray guns.
REFERENCES:
patent: 4368852 (1983-01-01), Sharp et al.
patent: 4946107 (1990-08-01), Hunt
patent: 4988015 (1991-01-01), Price
patent: 5294057 (1994-03-01), Hamilton
Leydig , Voit & Mayer, Ltd.
Nguyen Dinh Q.
Spraying Systems Co.
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