Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1999-02-23
2000-09-19
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239127, B05B 1502, B05B 900
Patent
active
061199613
ABSTRACT:
In an asphalt distributor having a tank for holding asphalt and a pump for pumping asphalt from the tank to a spraybar, a self draining asphalt strainer is provided. The asphalt strainer includes a body having an inlet and outlet with a filtering chamber disposed between the inlet and the outlet. A filter or straining element is disposed in the filtering chamber for filtering asphalt flowing between the inlet and the outlet. A conduit extends the inlet into the filtering chamber. A pair of valves are disposed on each end of the conduit forming a suckback chamber therebetween. A suckback tube is connected to the conduit intermediate the valves and extends into the filtering chamber. The pump is bidirectional and has a reverse mode which forces asphalt back through the outlet and inlet into the tank. The strainer has a first flow passage from the outlet to the inlet through both of the valves when open. The suckback tube provides a second flow passage from the outlet to the inlet when one of the valves is closed for draining asphalt remaining in the strainer box.
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Brown Thomas R.
Heller Jeremey
O'Brien Patrick
E. D. Etnyre & Co.
Hwu Davis
Kashnikow Andres
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