Oil deterioration suppressing apparatus for internal combustion engine
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United States of America Patent
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May 1, 2018
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Jul 22, 2015
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Jul 23, 2014
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Abstract
An oil deterioration suppressing apparatus for an internal combustion engine comprises a first oil filter and a second oil filter, wherein the first oil filter comprises a first filter member for filtering oil from an oil pan in which oil is stored, and the second oil filter comprises a second filter member for filtering oil from the oil pan, and wherein the second filter member is made of a ceramic material and has a mean pore size smaller than the mean pore size of the first filter member.
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