Doubling Oil Drain Intervals - The Reality of Centrifugal Bypass Filtration

Coombs, Paul; Cox, Ian; Samways, Andrew L.

doi:10.4271/981368

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…The superiority of the performance of centrifugal cleaners of this type compared with conventional barrier filters has been thoroughly investigated under laboratory conditions (Samways and Cox, 1998), and in practical trials (Coombs et al, 1998).…”

Section: By-pass Filtration -Centrifugal Systemsmentioning

confidence: 99%

Extended drain intervals for crankcase lubricants

Margaroni¹

1999

Industrial Lubrication and Tribology

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The various approaches to achieving extended drain intervals in vehicle crankcase lubricants are described, with particular emphasis on commercial diesel engines. The various lubricant contaminants include soot, water, acids and particulate metals. Lubricant life may be prolonged by suitable design of the lubricant and of the engine, but more particularly by reducing the levels of contaminant in the lubricant such that the performance of the lubricant may be maintained. At the same time, wear rates within the engine must be within acceptable levels. The various options for reducing the levels of contaminant include lubricant by‐pass filtration systems, including barrier filters, refiners and centrifugal filters.

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Section: By-pass Filtration -Centrifugal Systemsmentioning

confidence: 99%

Extended drain intervals for crankcase lubricants

Margaroni¹

1999

Industrial Lubrication and Tribology

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“…The benefit for gasoline engines is much greater than for diesels since relatively small amounts of particulates (soot) are produced and deposited into the oil, therefore a longer oil drain period can be sustained. Studies have been conducted to investigate the influence of by-pass filtration on both engine wear and oil drainage period and also oil formulations (refer to Coombs et al, 1998;Bergstra et al 1998;Thompson, 1996;Schittler et al, 1996;Daniel, 1996; for instance). These studies indicate that the oil drain period for gasoline engines could be increased considerably from 10,000km recommended for many gasoline engines in production by use of an optimised filtration system and superior quality synthetic oil, up to 30,000km which is currently under consideration in the European automotive industry.…”

Section: Oil Drainagementioning

confidence: 99%

Lubricating automotive engines

Mian

1999

Industrial Lubrication and Tribology

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Traditionally the development process has been used to optimise engine lubrication systems with a lot of hardware testing. This can lead to an expensive and time consuming process which can have major influences on the engine design. To complement engine development, design and analysis principles have been developed for further optimisation and understanding of the lubrication system. To demonstrate this a case study is used illustrating good use of analysis tools, offering clear ways towards system optimisation. In addition, while engine designers have been improving their techniques, new components and oil formulations have helped push the boundaries of the lubrication system, giving better wear and friction characteristics and also increasing oil life.

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Diesel Lube Oil Conditioning - The Systems Approach

Cox

Samways

1999

SAE Technical Paper Series

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Doubling Oil Drain Intervals - The Reality of Centrifugal Bypass Filtration

Cited by 4 publications

References 3 publications

Extended drain intervals for crankcase lubricants

Extended drain intervals for crankcase lubricants

Lubricating automotive engines

Diesel Lube Oil Conditioning - The Systems Approach

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