Oil Pump Cavitation

Saturday, December 19, 2009
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Apart from the accidental ingress of debris, the greatest danger to any design of oil pump, particularly one of the gear tooth design, is that of cavitation. Commonly found in centrifugal pumps also, the presence of this phenomenon and the resulting ... read more
Tags :  oil-system

What goes in must come out

Sunday, November 15, 2009
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It is surely an obvious statement of fact that what goes in, will eventually come out again – somewhere! Filling the bath with water and then watching it drain away again afterwards is an example. The joy of watching the bank balance rise at th... read more
Tags :  oil-system

Variable flow oil pumps

Monday, October 12, 2009
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The science of engine development is one of incremental steps; small but measurable increases in power over a period of time. Improvements in port flow, increasing the engine rev limit or changes in intake or exhaust system sizes will, no doubt, help... read more
Tags :  oil-system

The Gerotor Pump

Sunday, September 13, 2009
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Last month we looked very briefly at gear pumps, in particular, external gear pumps when two gears sit side-by-side. A particular derivation of the gear pump however, sometimes referred to as an internal gear pump or internal-external gear pump is wh... read more
Tags :  oil-system

Top Gear

Sunday, July 12, 2009
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Few of us give our oil pump a second’s thought. So long as that big red light on the dashboard keeps going out at the required time and doesn’t flash too much when the engine is hot and idling, then all would seem to be well. But the poor... read more
Tags :  oil-system

Heart health

Sunday, June 14, 2009
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The oil pump in any engine has been likened to the human heart. At the core of operations it provides the essential life-giving fluid to all the other components and surfaces in the system. And while there are many other similarities, unlike the huma... read more
Tags :  oil-system

Commonality the aim

Tuesday, May 05, 2009
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NASCAR is moving toward parts commonality in nearly every facet of its competition. Currently, discussions are underway to produce an oil pump system that is common to all three of NASCAR’s national series: Sprint Cup, Nationwide Series and Cam... read more
Tags :  oil-system
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