Fluid sprinkling – spraying – and diffusing – With selectively preset flow cutoff or initiating means
Reexamination Certificate
2005-10-25
2005-10-25
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With selectively preset flow cutoff or initiating means
C239S068000, C239S069000
Reexamination Certificate
active
06957780
ABSTRACT:
A fluid application system for a truck with a truck bed. The system includes a fluid source, a pump, and a spray unit with a nozzle. A sensor is also provided to output a vehicle detection signal including a vehicle profile signal. A controller is adapted to receive the vehicle detection signal, activate the pump to deliver the fluid to the spray unit in response to the vehicle profile signal when the profile signal indicates a first end of the material container portion, such as the start of the truck bed. The controller turns off the pump when the end of the material container portion of the vehicle is detected, or a pump timer expires.
REFERENCES:
patent: 5447574 (1995-09-01), Inoue
patent: 6364352 (2002-04-01), Norton
Bui Thach H
Scherbel David A.
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