Field Test of Semi-permanent use of Engines and Lube Oil with Almost No Wear and with Constant Thermal Efficiency

Paper #:
  • 2011-01-2113

Published:
  • 2011-08-30
Citation:
Hashimoto, M., Azuma, T., Sumimoto, M., and Mitsuda, K., "Field Test of Semi-permanent use of Engines and Lube Oil with Almost No Wear and with Constant Thermal Efficiency," SAE Technical Paper 2011-01-2113, 2011, https://doi.org/10.4271/2011-01-2113.
Pages:
12
Abstract:
A new type of lube oil cleaning system is successfully developed for semi-permanent use of oil by always keeping oil clean with the result of no oil change and no waste oil. It is in practical use in many marine diesel engines and in some other fields. In recent years, possibility of semi-permanent use of engines themselves has been expected based on the field data. A ship test for 7 years has verified the expected semi-permanent use of engines with almost no wear and constant thermal efficiency during the test. We present the characteristics of the oil cleaning system and the result of the test. Also, a new type of fuel oil cleaning system is presented which is useful for cleaning low quality fuel oil.As a whole, this test is the beginning of the new stage of our work following the semi-permanent use of lube oil, which has been verified and established in many diesel engines since the 1980s.
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