Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1998-04-21
2000-03-07
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239123, 239 92, B05B 1502, F23D 1134
Patent
active
060328754
ABSTRACT:
A heavy diesel fuel injection pump with precipitate build-up inhibiting features includes a pump body that defines a plunger bore. The plunger has a top end separated from a bottom end by a side surface, and is moveable in the plunger bore between a retracted position and an advanced position. A portion of the plunger bore and the bottom end of the plunger define a pump chamber containing heavy diesel fuel. The top end of the plunger is exposed to lubricating oil. The lubricating oil mixes with the heavy diesel fuel along a guide portion of the side surface of the plunger that has a tight clearance with respect to the plunger bore. At least one of the pump body and the guide portion of the plunger define a plurality of cleaning grooves located adjacent the guide portion. The cleaning grooves are sized and shaped to continuously scrape clean calcium carbonate precipitates from the plunger bore wall and plunger outer surface, and provide a volume in which the solids can accumulate until a subsequent maintenance cycle for a particular pump.
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Caterpillar Inc.
Douglas Lisa Ann
Kashnikow Andres
McNeil Michael B.
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